diff --git a/docs/source/how-tos/xr_engine/xarray_engine_ensemble.ipynb b/docs/source/how-tos/xr_engine/xarray_engine_ensemble.ipynb
index 27b219d8..33f76bc2 100644
--- a/docs/source/how-tos/xr_engine/xarray_engine_ensemble.ipynb
+++ b/docs/source/how-tos/xr_engine/xarray_engine_ensemble.ipynb
@@ -41,11 +41,18 @@
    },
    "outputs": [
     {
-     "name": "stderr",
-     "output_type": "stream",
-     "text": [
-      "                                                                                                                                                                                    "
-     ]
+     "data": {
+      "application/vnd.jupyter.widget-view+json": {
+       "model_id": "b6743a7572e142ff90d78c1d37da0f03",
+       "version_major": 2,
+       "version_minor": 0
+      },
+      "text/plain": [
+       "ens_cf_pf.grib:   0%|          | 0.00/7.03k [00:00<?, ?B/s]"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
     }
    ],
    "source": [
@@ -323,7 +330,6 @@
        "  min-width: 300px;\n",
        "  max-width: 700px;\n",
        "  line-height: 1.6;\n",
-       "  padding-bottom: 4px;\n",
        "}\n",
        "\n",
        ".xr-text-repr-fallback {\n",
@@ -334,11 +340,8 @@
        ".xr-header {\n",
        "  padding-top: 6px;\n",
        "  padding-bottom: 6px;\n",
-       "}\n",
-       "\n",
-       ".xr-header {\n",
-       "  border-bottom: solid 1px var(--xr-border-color);\n",
        "  margin-bottom: 4px;\n",
+       "  border-bottom: solid 1px var(--xr-border-color);\n",
        "}\n",
        "\n",
        ".xr-header > div,\n",
@@ -349,15 +352,20 @@
        "}\n",
        "\n",
        ".xr-obj-type,\n",
-       ".xr-obj-name {\n",
+       ".xr-obj-name,\n",
+       ".xr-group-name {\n",
        "  margin-left: 2px;\n",
        "  margin-right: 10px;\n",
        "}\n",
        "\n",
-       ".xr-obj-type,\n",
-       ".xr-group-box-contents > label {\n",
+       ".xr-group-name::before {\n",
+       "  content: \"📁\";\n",
+       "  padding-right: 0.3em;\n",
+       "}\n",
+       "\n",
+       ".xr-group-name,\n",
+       ".xr-obj-type {\n",
        "  color: var(--xr-font-color2);\n",
-       "  display: block;\n",
        "}\n",
        "\n",
        ".xr-sections {\n",
@@ -372,39 +380,28 @@
        "  display: contents;\n",
        "}\n",
        "\n",
-       ".xr-section-item > input,\n",
-       ".xr-group-box-contents > input,\n",
-       ".xr-array-wrap > input {\n",
-       "  display: block;\n",
+       ".xr-section-item input {\n",
+       "  display: inline-block;\n",
        "  opacity: 0;\n",
        "  height: 0;\n",
        "  margin: 0;\n",
        "}\n",
        "\n",
-       ".xr-section-item > input + label,\n",
-       ".xr-var-item > input + label {\n",
+       ".xr-section-item input + label {\n",
        "  color: var(--xr-disabled-color);\n",
+       "  border: 2px solid transparent !important;\n",
        "}\n",
        "\n",
-       ".xr-section-item > input:enabled + label,\n",
-       ".xr-var-item > input:enabled + label,\n",
-       ".xr-array-wrap > input:enabled + label,\n",
-       ".xr-group-box-contents > input:enabled + label {\n",
+       ".xr-section-item input:enabled + label {\n",
        "  cursor: pointer;\n",
        "  color: var(--xr-font-color2);\n",
        "}\n",
        "\n",
-       ".xr-section-item > input:focus-visible + label,\n",
-       ".xr-var-item > input:focus-visible + label,\n",
-       ".xr-array-wrap > input:focus-visible + label,\n",
-       ".xr-group-box-contents > input:focus-visible + label {\n",
-       "  outline: auto;\n",
+       ".xr-section-item input:focus + label {\n",
+       "  border: 2px solid var(--xr-font-color0) !important;\n",
        "}\n",
        "\n",
-       ".xr-section-item > input:enabled + label:hover,\n",
-       ".xr-var-item > input:enabled + label:hover,\n",
-       ".xr-array-wrap > input:enabled + label:hover,\n",
-       ".xr-group-box-contents > input:enabled + label:hover {\n",
+       ".xr-section-item input:enabled + label:hover {\n",
        "  color: var(--xr-font-color0);\n",
        "}\n",
        "\n",
@@ -412,25 +409,11 @@
        "  grid-column: 1;\n",
        "  color: var(--xr-font-color2);\n",
        "  font-weight: 500;\n",
-       "  white-space: nowrap;\n",
-       "}\n",
-       "\n",
-       ".xr-section-summary > em {\n",
-       "  font-weight: normal;\n",
-       "}\n",
-       "\n",
-       ".xr-span-grid {\n",
-       "  grid-column-end: -1;\n",
        "}\n",
        "\n",
        ".xr-section-summary > span {\n",
        "  display: inline-block;\n",
-       "  padding-left: 0.3em;\n",
-       "}\n",
-       "\n",
-       ".xr-group-box-contents > input:checked + label > span {\n",
-       "  display: inline-block;\n",
-       "  padding-left: 0.6em;\n",
+       "  padding-left: 0.5em;\n",
        "}\n",
        "\n",
        ".xr-section-summary-in:disabled + label {\n",
@@ -458,8 +441,7 @@
        "}\n",
        "\n",
        ".xr-section-summary,\n",
-       ".xr-section-inline-details,\n",
-       ".xr-group-box-contents > label {\n",
+       ".xr-section-inline-details {\n",
        "  padding-top: 4px;\n",
        "}\n",
        "\n",
@@ -468,29 +450,20 @@
        "}\n",
        "\n",
        ".xr-section-details {\n",
+       "  display: none;\n",
        "  grid-column: 1 / -1;\n",
        "  margin-top: 4px;\n",
        "  margin-bottom: 5px;\n",
        "}\n",
        "\n",
-       ".xr-section-summary-in ~ .xr-section-details {\n",
-       "  display: none;\n",
-       "}\n",
-       "\n",
        ".xr-section-summary-in:checked ~ .xr-section-details {\n",
        "  display: contents;\n",
        "}\n",
        "\n",
-       ".xr-children {\n",
-       "  display: inline-grid;\n",
-       "  grid-template-columns: 100%;\n",
-       "  grid-column: 1 / -1;\n",
-       "  padding-top: 4px;\n",
-       "}\n",
-       "\n",
        ".xr-group-box {\n",
        "  display: inline-grid;\n",
-       "  grid-template-columns: 0px 30px auto;\n",
+       "  grid-template-columns: 0px 20px auto;\n",
+       "  width: 100%;\n",
        "}\n",
        "\n",
        ".xr-group-box-vline {\n",
@@ -504,43 +477,13 @@
        "  grid-column-start: 2;\n",
        "  grid-row-start: 1;\n",
        "  height: 1em;\n",
-       "  width: 26px;\n",
+       "  width: 20px;\n",
        "  border-bottom: 0.2em solid;\n",
        "  border-color: var(--xr-border-color);\n",
        "}\n",
        "\n",
        ".xr-group-box-contents {\n",
        "  grid-column-start: 3;\n",
-       "  padding-bottom: 4px;\n",
-       "}\n",
-       "\n",
-       ".xr-group-box-contents > label::before {\n",
-       "  content: \"📂\";\n",
-       "  padding-right: 0.3em;\n",
-       "}\n",
-       "\n",
-       ".xr-group-box-contents > input:checked + label::before {\n",
-       "  content: \"📁\";\n",
-       "}\n",
-       "\n",
-       ".xr-group-box-contents > input:checked + label {\n",
-       "  padding-bottom: 0px;\n",
-       "}\n",
-       "\n",
-       ".xr-group-box-contents > input:checked ~ .xr-sections {\n",
-       "  display: none;\n",
-       "}\n",
-       "\n",
-       ".xr-group-box-contents > input + label > span {\n",
-       "  display: none;\n",
-       "}\n",
-       "\n",
-       ".xr-group-box-ellipsis {\n",
-       "  font-size: 1.4em;\n",
-       "  font-weight: 900;\n",
-       "  color: var(--xr-font-color2);\n",
-       "  letter-spacing: 0.15em;\n",
-       "  cursor: default;\n",
        "}\n",
        "\n",
        ".xr-array-wrap {\n",
@@ -781,10 +724,10 @@
        "    t          (member, step, latitude, longitude) float64 33kB ...\n",
        "Attributes:\n",
        "    Conventions:  CF-1.8\n",
-       "    institution:  ECMWF</pre><div class='xr-wrap' style='display:none'><div class='xr-header'><div class='xr-obj-type'>xarray.Dataset</div></div><ul class='xr-sections'><li class='xr-section-item'><input id='section-1255489d-4284-4c73-b164-c510fba23418' class='xr-section-summary-in' type='checkbox' disabled /><label for='section-1255489d-4284-4c73-b164-c510fba23418' class='xr-section-summary'>Dimensions:</label><div class='xr-section-inline-details'><ul class='xr-dim-list'><li><span class='xr-has-index'>member</span>: 3</li><li><span class='xr-has-index'>step</span>: 2</li><li><span class='xr-has-index'>latitude</span>: 19</li><li><span class='xr-has-index'>longitude</span>: 36</li></ul></div></li><li class='xr-section-item'><input id='section-b66299df-f869-4c16-8ef1-c9d3b425a5c6' class='xr-section-summary-in' type='checkbox' checked /><label for='section-b66299df-f869-4c16-8ef1-c9d3b425a5c6' class='xr-section-summary' title='Expand/collapse section'>Coordinates: <span>(4)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>member</span></div><div class='xr-var-dims'>(member)</div><div class='xr-var-dtype'>&lt;U1</div><div class='xr-var-preview xr-preview'>&#x27;0&#x27; &#x27;1&#x27; &#x27;2&#x27;</div><input id='attrs-35baed38-6c43-438f-8324-a43ae5621709' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-35baed38-6c43-438f-8324-a43ae5621709' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-c1878d09-7783-4c8d-940d-9251c754d48b' class='xr-var-data-in' type='checkbox'><label for='data-c1878d09-7783-4c8d-940d-9251c754d48b' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array([&#x27;0&#x27;, &#x27;1&#x27;, &#x27;2&#x27;], dtype=&#x27;&lt;U1&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>step</span></div><div class='xr-var-dims'>(step)</div><div class='xr-var-dtype'>timedelta64[ns]</div><div class='xr-var-preview xr-preview'>00:00:00 06:00:00</div><input id='attrs-2de22bbc-e83c-47d6-9813-8efbaf0a720a' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-2de22bbc-e83c-47d6-9813-8efbaf0a720a' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-f193178f-d0b6-44c7-a57e-3bdc89595e6a' class='xr-var-data-in' type='checkbox'><label for='data-f193178f-d0b6-44c7-a57e-3bdc89595e6a' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>standard_name :</span></dt><dd>forecast_period</dd><dt><span>long_name :</span></dt><dd>time since forecast_reference_time</dd></dl></div><div class='xr-var-data'><pre>array([             0, 21600000000000], dtype=&#x27;timedelta64[ns]&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>latitude</span></div><div class='xr-var-dims'>(latitude)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>90.0 80.0 70.0 ... -80.0 -90.0</div><input id='attrs-e42cc900-6b91-4596-ab50-6a0cfe68407a' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-e42cc900-6b91-4596-ab50-6a0cfe68407a' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-e8deee6c-cab9-41fd-89eb-96343f765287' class='xr-var-data-in' type='checkbox'><label for='data-e8deee6c-cab9-41fd-89eb-96343f765287' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>degrees_north</dd><dt><span>standard_name :</span></dt><dd>latitude</dd><dt><span>long_name :</span></dt><dd>latitude</dd></dl></div><div class='xr-var-data'><pre>array([ 90.,  80.,  70.,  60.,  50.,  40.,  30.,  20.,  10.,   0., -10., -20.,\n",
-       "       -30., -40., -50., -60., -70., -80., -90.])</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>longitude</span></div><div class='xr-var-dims'>(longitude)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>0.0 10.0 20.0 ... 330.0 340.0 350.0</div><input id='attrs-8497847b-8071-4bc1-833f-b38715c1dc6c' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-8497847b-8071-4bc1-833f-b38715c1dc6c' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-b7668ae4-1e6b-4fc5-84b6-e670d3eccac7' class='xr-var-data-in' type='checkbox'><label for='data-b7668ae4-1e6b-4fc5-84b6-e670d3eccac7' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>degrees_east</dd><dt><span>standard_name :</span></dt><dd>longitude</dd><dt><span>long_name :</span></dt><dd>longitude</dd></dl></div><div class='xr-var-data'><pre>array([  0.,  10.,  20.,  30.,  40.,  50.,  60.,  70.,  80.,  90., 100., 110.,\n",
+       "    institution:  ECMWF</pre><div class='xr-wrap' style='display:none'><div class='xr-header'><div class='xr-obj-type'>xarray.Dataset</div></div><ul class='xr-sections'><li class='xr-section-item'><input id='section-d4196847-f4b8-4dcf-bc46-fb949f9cb07a' class='xr-section-summary-in' type='checkbox' disabled ><label for='section-d4196847-f4b8-4dcf-bc46-fb949f9cb07a' class='xr-section-summary'  title='Expand/collapse section'>Dimensions:</label><div class='xr-section-inline-details'><ul class='xr-dim-list'><li><span class='xr-has-index'>member</span>: 3</li><li><span class='xr-has-index'>step</span>: 2</li><li><span class='xr-has-index'>latitude</span>: 19</li><li><span class='xr-has-index'>longitude</span>: 36</li></ul></div><div class='xr-section-details'></div></li><li class='xr-section-item'><input id='section-f0b25748-2bbb-4c57-9769-6362dd4da81b' class='xr-section-summary-in' type='checkbox'  checked><label for='section-f0b25748-2bbb-4c57-9769-6362dd4da81b' class='xr-section-summary' >Coordinates: <span>(4)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>member</span></div><div class='xr-var-dims'>(member)</div><div class='xr-var-dtype'>&lt;U1</div><div class='xr-var-preview xr-preview'>&#x27;0&#x27; &#x27;1&#x27; &#x27;2&#x27;</div><input id='attrs-11f1717b-bd21-4cbe-bfdd-1bd3ed48b513' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-11f1717b-bd21-4cbe-bfdd-1bd3ed48b513' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-7b353fa4-99fa-47a6-a52d-50605dab4b6c' class='xr-var-data-in' type='checkbox'><label for='data-7b353fa4-99fa-47a6-a52d-50605dab4b6c' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array([&#x27;0&#x27;, &#x27;1&#x27;, &#x27;2&#x27;], dtype=&#x27;&lt;U1&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>step</span></div><div class='xr-var-dims'>(step)</div><div class='xr-var-dtype'>timedelta64[ns]</div><div class='xr-var-preview xr-preview'>00:00:00 06:00:00</div><input id='attrs-16c08ad7-64e5-4c49-99ac-b474ee8107ca' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-16c08ad7-64e5-4c49-99ac-b474ee8107ca' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-0cabd25d-b672-4eb9-a740-399d0d9d91c1' class='xr-var-data-in' type='checkbox'><label for='data-0cabd25d-b672-4eb9-a740-399d0d9d91c1' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>standard_name :</span></dt><dd>forecast_period</dd><dt><span>long_name :</span></dt><dd>time since forecast_reference_time</dd></dl></div><div class='xr-var-data'><pre>array([             0, 21600000000000], dtype=&#x27;timedelta64[ns]&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>latitude</span></div><div class='xr-var-dims'>(latitude)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>90.0 80.0 70.0 ... -80.0 -90.0</div><input id='attrs-7324c71d-459a-4513-8d7f-737bfca52d6f' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-7324c71d-459a-4513-8d7f-737bfca52d6f' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-faaf2cd1-a2b6-49a5-99ff-59d149358523' class='xr-var-data-in' type='checkbox'><label for='data-faaf2cd1-a2b6-49a5-99ff-59d149358523' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>degrees_north</dd><dt><span>standard_name :</span></dt><dd>latitude</dd><dt><span>long_name :</span></dt><dd>latitude</dd></dl></div><div class='xr-var-data'><pre>array([ 90.,  80.,  70.,  60.,  50.,  40.,  30.,  20.,  10.,   0., -10., -20.,\n",
+       "       -30., -40., -50., -60., -70., -80., -90.])</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>longitude</span></div><div class='xr-var-dims'>(longitude)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>0.0 10.0 20.0 ... 330.0 340.0 350.0</div><input id='attrs-c3455245-41d2-4cff-a78a-cc0e2a001962' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-c3455245-41d2-4cff-a78a-cc0e2a001962' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-29335d86-05da-4040-92d6-7ad212337e7b' class='xr-var-data-in' type='checkbox'><label for='data-29335d86-05da-4040-92d6-7ad212337e7b' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>degrees_east</dd><dt><span>standard_name :</span></dt><dd>longitude</dd><dt><span>long_name :</span></dt><dd>longitude</dd></dl></div><div class='xr-var-data'><pre>array([  0.,  10.,  20.,  30.,  40.,  50.,  60.,  70.,  80.,  90., 100., 110.,\n",
        "       120., 130., 140., 150., 160., 170., 180., 190., 200., 210., 220., 230.,\n",
-       "       240., 250., 260., 270., 280., 290., 300., 310., 320., 330., 340., 350.])</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-33cd4e5e-24d1-4600-9eef-1e0ef409dd42' class='xr-section-summary-in' type='checkbox' checked /><label for='section-33cd4e5e-24d1-4600-9eef-1e0ef409dd42' class='xr-section-summary' title='Expand/collapse section'>Data variables: <span>(1)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span>t</span></div><div class='xr-var-dims'>(member, step, latitude, longitude)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-29b0c4d1-0655-4188-aee4-3fb008b96861' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-29b0c4d1-0655-4188-aee4-3fb008b96861' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-c9329966-c660-445f-a19a-e7afee7b3c78' class='xr-var-data-in' type='checkbox'><label for='data-c9329966-c660-445f-a19a-e7afee7b3c78' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>standard_name :</span></dt><dd>air_temperature</dd><dt><span>long_name :</span></dt><dd>Temperature</dd><dt><span>units :</span></dt><dd>kelvin</dd><dt><span>level_type :</span></dt><dd>pressure</dd><dt><span>_earthkit :</span></dt><dd>{&#x27;message&#x27;: b&quot;GRIB\\x00\\x00\\xa2\\x01\\x00\\x00j\\x80b\\x9a\\xff\\x80\\x82d\\x01\\xf4\\x18\\x06\\x03\\x00\\x00\\x01\\x00\\x00\\x01\\x00\\x00\\x00\\x15\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x1e\\x01\\n\\x04\\x0b0001\\x003\\x02\\x00\\x00\\x00\\x014\\xd8\\xdb\\x00\\x00\\x01\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00 \\x00\\xff\\x00\\x00$\\x00\\x13\\x01_\\x90\\x00\\x00\\x00\\x80\\x81_\\x90\\x05W0&#x27;\\x10&#x27;\\x10\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x0c\\x00\\x80\\x02D\\xb9}n\\x00\\x007777&quot;, &#x27;bitsPerValue&#x27;: 12}</dd></dl></div><div class='xr-var-data'><pre>[4104 values with dtype=float64]</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-5c828f74-b480-46e8-ade4-00c50929d0e8' class='xr-section-summary-in' type='checkbox' checked /><label for='section-5c828f74-b480-46e8-ade4-00c50929d0e8' class='xr-section-summary' title='Expand/collapse section'>Attributes: <span>(2)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><dl class='xr-attrs'><dt><span>Conventions :</span></dt><dd>CF-1.8</dd><dt><span>institution :</span></dt><dd>ECMWF</dd></dl></div></li></ul></div></div>"
+       "       240., 250., 260., 270., 280., 290., 300., 310., 320., 330., 340., 350.])</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-67826c38-c91b-451f-bbf8-5402e5552ade' class='xr-section-summary-in' type='checkbox'  checked><label for='section-67826c38-c91b-451f-bbf8-5402e5552ade' class='xr-section-summary' >Data variables: <span>(1)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span>t</span></div><div class='xr-var-dims'>(member, step, latitude, longitude)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-d0192d83-acaf-4728-ab3a-054b1226023c' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-d0192d83-acaf-4728-ab3a-054b1226023c' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-567fe7ce-29f4-4f99-9095-97574ac87348' class='xr-var-data-in' type='checkbox'><label for='data-567fe7ce-29f4-4f99-9095-97574ac87348' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>standard_name :</span></dt><dd>air_temperature</dd><dt><span>long_name :</span></dt><dd>Temperature</dd><dt><span>units :</span></dt><dd>kelvin</dd><dt><span>level_type :</span></dt><dd>pressure</dd><dt><span>_earthkit :</span></dt><dd>{&#x27;message&#x27;: b&quot;GRIB\\x00\\x00\\xa2\\x01\\x00\\x00j\\x80b\\x9a\\xff\\x80\\x82d\\x01\\xf4\\x18\\x06\\x03\\x00\\x00\\x01\\x00\\x00\\x01\\x00\\x00\\x00\\x15\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x1e\\x01\\n\\x04\\x0b0001\\x003\\x02\\x00\\x00\\x00\\x014\\xd8\\xdb\\x00\\x00\\x01\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00 \\x00\\xff\\x00\\x00$\\x00\\x13\\x01_\\x90\\x00\\x00\\x00\\x80\\x81_\\x90\\x05W0&#x27;\\x10&#x27;\\x10\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x0c\\x00\\x80\\x02D\\xb9}n\\x00\\x007777&quot;, &#x27;bitsPerValue&#x27;: 12, &#x27;grid_spec&#x27;: &#x27;{&quot;grid&quot;: [10, 10]}&#x27;}</dd><dt><span>ek_grid_spec :</span></dt><dd>{&quot;grid&quot;: [10, 10]}</dd></dl></div><div class='xr-var-data'><pre>[4104 values with dtype=float64]</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-e699be15-7fcd-4cbe-9663-0f8faaca12d1' class='xr-section-summary-in' type='checkbox'  checked><label for='section-e699be15-7fcd-4cbe-9663-0f8faaca12d1' class='xr-section-summary' >Attributes: <span>(2)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><dl class='xr-attrs'><dt><span>Conventions :</span></dt><dd>CF-1.8</dd><dt><span>institution :</span></dt><dd>ECMWF</dd></dl></div></li></ul></div></div>"
       ],
       "text/plain": [
        "<xarray.Dataset> Size: 33kB\n",
@@ -929,7 +872,6 @@
        "  min-width: 300px;\n",
        "  max-width: 700px;\n",
        "  line-height: 1.6;\n",
-       "  padding-bottom: 4px;\n",
        "}\n",
        "\n",
        ".xr-text-repr-fallback {\n",
@@ -940,11 +882,8 @@
        ".xr-header {\n",
        "  padding-top: 6px;\n",
        "  padding-bottom: 6px;\n",
-       "}\n",
-       "\n",
-       ".xr-header {\n",
-       "  border-bottom: solid 1px var(--xr-border-color);\n",
        "  margin-bottom: 4px;\n",
+       "  border-bottom: solid 1px var(--xr-border-color);\n",
        "}\n",
        "\n",
        ".xr-header > div,\n",
@@ -955,15 +894,20 @@
        "}\n",
        "\n",
        ".xr-obj-type,\n",
-       ".xr-obj-name {\n",
+       ".xr-obj-name,\n",
+       ".xr-group-name {\n",
        "  margin-left: 2px;\n",
        "  margin-right: 10px;\n",
        "}\n",
        "\n",
-       ".xr-obj-type,\n",
-       ".xr-group-box-contents > label {\n",
+       ".xr-group-name::before {\n",
+       "  content: \"📁\";\n",
+       "  padding-right: 0.3em;\n",
+       "}\n",
+       "\n",
+       ".xr-group-name,\n",
+       ".xr-obj-type {\n",
        "  color: var(--xr-font-color2);\n",
-       "  display: block;\n",
        "}\n",
        "\n",
        ".xr-sections {\n",
@@ -978,39 +922,28 @@
        "  display: contents;\n",
        "}\n",
        "\n",
-       ".xr-section-item > input,\n",
-       ".xr-group-box-contents > input,\n",
-       ".xr-array-wrap > input {\n",
-       "  display: block;\n",
+       ".xr-section-item input {\n",
+       "  display: inline-block;\n",
        "  opacity: 0;\n",
        "  height: 0;\n",
        "  margin: 0;\n",
        "}\n",
        "\n",
-       ".xr-section-item > input + label,\n",
-       ".xr-var-item > input + label {\n",
+       ".xr-section-item input + label {\n",
        "  color: var(--xr-disabled-color);\n",
+       "  border: 2px solid transparent !important;\n",
        "}\n",
        "\n",
-       ".xr-section-item > input:enabled + label,\n",
-       ".xr-var-item > input:enabled + label,\n",
-       ".xr-array-wrap > input:enabled + label,\n",
-       ".xr-group-box-contents > input:enabled + label {\n",
+       ".xr-section-item input:enabled + label {\n",
        "  cursor: pointer;\n",
        "  color: var(--xr-font-color2);\n",
        "}\n",
        "\n",
-       ".xr-section-item > input:focus-visible + label,\n",
-       ".xr-var-item > input:focus-visible + label,\n",
-       ".xr-array-wrap > input:focus-visible + label,\n",
-       ".xr-group-box-contents > input:focus-visible + label {\n",
-       "  outline: auto;\n",
+       ".xr-section-item input:focus + label {\n",
+       "  border: 2px solid var(--xr-font-color0) !important;\n",
        "}\n",
        "\n",
-       ".xr-section-item > input:enabled + label:hover,\n",
-       ".xr-var-item > input:enabled + label:hover,\n",
-       ".xr-array-wrap > input:enabled + label:hover,\n",
-       ".xr-group-box-contents > input:enabled + label:hover {\n",
+       ".xr-section-item input:enabled + label:hover {\n",
        "  color: var(--xr-font-color0);\n",
        "}\n",
        "\n",
@@ -1018,25 +951,11 @@
        "  grid-column: 1;\n",
        "  color: var(--xr-font-color2);\n",
        "  font-weight: 500;\n",
-       "  white-space: nowrap;\n",
-       "}\n",
-       "\n",
-       ".xr-section-summary > em {\n",
-       "  font-weight: normal;\n",
-       "}\n",
-       "\n",
-       ".xr-span-grid {\n",
-       "  grid-column-end: -1;\n",
        "}\n",
        "\n",
        ".xr-section-summary > span {\n",
        "  display: inline-block;\n",
-       "  padding-left: 0.3em;\n",
-       "}\n",
-       "\n",
-       ".xr-group-box-contents > input:checked + label > span {\n",
-       "  display: inline-block;\n",
-       "  padding-left: 0.6em;\n",
+       "  padding-left: 0.5em;\n",
        "}\n",
        "\n",
        ".xr-section-summary-in:disabled + label {\n",
@@ -1064,8 +983,7 @@
        "}\n",
        "\n",
        ".xr-section-summary,\n",
-       ".xr-section-inline-details,\n",
-       ".xr-group-box-contents > label {\n",
+       ".xr-section-inline-details {\n",
        "  padding-top: 4px;\n",
        "}\n",
        "\n",
@@ -1074,29 +992,20 @@
        "}\n",
        "\n",
        ".xr-section-details {\n",
+       "  display: none;\n",
        "  grid-column: 1 / -1;\n",
        "  margin-top: 4px;\n",
        "  margin-bottom: 5px;\n",
        "}\n",
        "\n",
-       ".xr-section-summary-in ~ .xr-section-details {\n",
-       "  display: none;\n",
-       "}\n",
-       "\n",
        ".xr-section-summary-in:checked ~ .xr-section-details {\n",
        "  display: contents;\n",
        "}\n",
        "\n",
-       ".xr-children {\n",
-       "  display: inline-grid;\n",
-       "  grid-template-columns: 100%;\n",
-       "  grid-column: 1 / -1;\n",
-       "  padding-top: 4px;\n",
-       "}\n",
-       "\n",
        ".xr-group-box {\n",
        "  display: inline-grid;\n",
-       "  grid-template-columns: 0px 30px auto;\n",
+       "  grid-template-columns: 0px 20px auto;\n",
+       "  width: 100%;\n",
        "}\n",
        "\n",
        ".xr-group-box-vline {\n",
@@ -1110,43 +1019,13 @@
        "  grid-column-start: 2;\n",
        "  grid-row-start: 1;\n",
        "  height: 1em;\n",
-       "  width: 26px;\n",
+       "  width: 20px;\n",
        "  border-bottom: 0.2em solid;\n",
        "  border-color: var(--xr-border-color);\n",
        "}\n",
        "\n",
        ".xr-group-box-contents {\n",
        "  grid-column-start: 3;\n",
-       "  padding-bottom: 4px;\n",
-       "}\n",
-       "\n",
-       ".xr-group-box-contents > label::before {\n",
-       "  content: \"📂\";\n",
-       "  padding-right: 0.3em;\n",
-       "}\n",
-       "\n",
-       ".xr-group-box-contents > input:checked + label::before {\n",
-       "  content: \"📁\";\n",
-       "}\n",
-       "\n",
-       ".xr-group-box-contents > input:checked + label {\n",
-       "  padding-bottom: 0px;\n",
-       "}\n",
-       "\n",
-       ".xr-group-box-contents > input:checked ~ .xr-sections {\n",
-       "  display: none;\n",
-       "}\n",
-       "\n",
-       ".xr-group-box-contents > input + label > span {\n",
-       "  display: none;\n",
-       "}\n",
-       "\n",
-       ".xr-group-box-ellipsis {\n",
-       "  font-size: 1.4em;\n",
-       "  font-weight: 900;\n",
-       "  color: var(--xr-font-color2);\n",
-       "  letter-spacing: 0.15em;\n",
-       "  cursor: default;\n",
        "}\n",
        "\n",
        ".xr-array-wrap {\n",
@@ -1387,10 +1266,10 @@
        "    t          (member, step, latitude, longitude) float64 33kB ...\n",
        "Attributes:\n",
        "    Conventions:  CF-1.8\n",
-       "    institution:  ECMWF</pre><div class='xr-wrap' style='display:none'><div class='xr-header'><div class='xr-obj-type'>xarray.Dataset</div></div><ul class='xr-sections'><li class='xr-section-item'><input id='section-7ceb3cda-12ca-424c-a563-49d77f1d9204' class='xr-section-summary-in' type='checkbox' disabled /><label for='section-7ceb3cda-12ca-424c-a563-49d77f1d9204' class='xr-section-summary'>Dimensions:</label><div class='xr-section-inline-details'><ul class='xr-dim-list'><li><span class='xr-has-index'>member</span>: 3</li><li><span class='xr-has-index'>step</span>: 2</li><li><span class='xr-has-index'>latitude</span>: 19</li><li><span class='xr-has-index'>longitude</span>: 36</li></ul></div></li><li class='xr-section-item'><input id='section-ecf737e1-90c8-4634-b0bb-9ceb94bead1c' class='xr-section-summary-in' type='checkbox' checked /><label for='section-ecf737e1-90c8-4634-b0bb-9ceb94bead1c' class='xr-section-summary' title='Expand/collapse section'>Coordinates: <span>(4)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>member</span></div><div class='xr-var-dims'>(member)</div><div class='xr-var-dtype'>int64</div><div class='xr-var-preview xr-preview'>0 1 2</div><input id='attrs-0d8351c9-f3cf-4b10-af91-0f0e68ecee79' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-0d8351c9-f3cf-4b10-af91-0f0e68ecee79' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-4b205cc0-a961-4863-bd0e-85b975daf03f' class='xr-var-data-in' type='checkbox'><label for='data-4b205cc0-a961-4863-bd0e-85b975daf03f' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array([0, 1, 2])</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>step</span></div><div class='xr-var-dims'>(step)</div><div class='xr-var-dtype'>timedelta64[ns]</div><div class='xr-var-preview xr-preview'>00:00:00 06:00:00</div><input id='attrs-b389e3c1-4c21-484c-94e5-5c9e0e52bc6b' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-b389e3c1-4c21-484c-94e5-5c9e0e52bc6b' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-b1375c5c-fa93-4015-8884-8e93f9e09de5' class='xr-var-data-in' type='checkbox'><label for='data-b1375c5c-fa93-4015-8884-8e93f9e09de5' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>standard_name :</span></dt><dd>forecast_period</dd><dt><span>long_name :</span></dt><dd>time since forecast_reference_time</dd></dl></div><div class='xr-var-data'><pre>array([             0, 21600000000000], dtype=&#x27;timedelta64[ns]&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>latitude</span></div><div class='xr-var-dims'>(latitude)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>90.0 80.0 70.0 ... -80.0 -90.0</div><input id='attrs-ea4fcb2c-3045-4373-8911-ef9c006752f3' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-ea4fcb2c-3045-4373-8911-ef9c006752f3' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-0bb3fe6e-24dc-4a0c-bf46-502688c0543e' class='xr-var-data-in' type='checkbox'><label for='data-0bb3fe6e-24dc-4a0c-bf46-502688c0543e' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>degrees_north</dd><dt><span>standard_name :</span></dt><dd>latitude</dd><dt><span>long_name :</span></dt><dd>latitude</dd></dl></div><div class='xr-var-data'><pre>array([ 90.,  80.,  70.,  60.,  50.,  40.,  30.,  20.,  10.,   0., -10., -20.,\n",
-       "       -30., -40., -50., -60., -70., -80., -90.])</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>longitude</span></div><div class='xr-var-dims'>(longitude)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>0.0 10.0 20.0 ... 330.0 340.0 350.0</div><input id='attrs-9b2e5908-6bbd-4345-9978-2c9f907879f2' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-9b2e5908-6bbd-4345-9978-2c9f907879f2' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-c8672d98-8102-43b7-81bb-e0d7bdc34199' class='xr-var-data-in' type='checkbox'><label for='data-c8672d98-8102-43b7-81bb-e0d7bdc34199' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>degrees_east</dd><dt><span>standard_name :</span></dt><dd>longitude</dd><dt><span>long_name :</span></dt><dd>longitude</dd></dl></div><div class='xr-var-data'><pre>array([  0.,  10.,  20.,  30.,  40.,  50.,  60.,  70.,  80.,  90., 100., 110.,\n",
+       "    institution:  ECMWF</pre><div class='xr-wrap' style='display:none'><div class='xr-header'><div class='xr-obj-type'>xarray.Dataset</div></div><ul class='xr-sections'><li class='xr-section-item'><input id='section-59f71b8c-34a5-4811-ad6e-ce0ebc5290c4' class='xr-section-summary-in' type='checkbox' disabled ><label for='section-59f71b8c-34a5-4811-ad6e-ce0ebc5290c4' class='xr-section-summary'  title='Expand/collapse section'>Dimensions:</label><div class='xr-section-inline-details'><ul class='xr-dim-list'><li><span class='xr-has-index'>member</span>: 3</li><li><span class='xr-has-index'>step</span>: 2</li><li><span class='xr-has-index'>latitude</span>: 19</li><li><span class='xr-has-index'>longitude</span>: 36</li></ul></div><div class='xr-section-details'></div></li><li class='xr-section-item'><input id='section-22f71579-d9bc-429b-8eab-badb2626b63e' class='xr-section-summary-in' type='checkbox'  checked><label for='section-22f71579-d9bc-429b-8eab-badb2626b63e' class='xr-section-summary' >Coordinates: <span>(4)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>member</span></div><div class='xr-var-dims'>(member)</div><div class='xr-var-dtype'>int64</div><div class='xr-var-preview xr-preview'>0 1 2</div><input id='attrs-3dcc5c29-77e6-40dd-858a-1101b9f6c0ff' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-3dcc5c29-77e6-40dd-858a-1101b9f6c0ff' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-a1ba705b-b8b5-4f44-bd05-71acf45fbe29' class='xr-var-data-in' type='checkbox'><label for='data-a1ba705b-b8b5-4f44-bd05-71acf45fbe29' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array([0, 1, 2])</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>step</span></div><div class='xr-var-dims'>(step)</div><div class='xr-var-dtype'>timedelta64[ns]</div><div class='xr-var-preview xr-preview'>00:00:00 06:00:00</div><input id='attrs-c47aabbf-a25b-403a-bd0f-9ee2d2e35e7c' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-c47aabbf-a25b-403a-bd0f-9ee2d2e35e7c' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-2d4d0b94-53c3-459b-a983-e4ff18ace7fb' class='xr-var-data-in' type='checkbox'><label for='data-2d4d0b94-53c3-459b-a983-e4ff18ace7fb' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>standard_name :</span></dt><dd>forecast_period</dd><dt><span>long_name :</span></dt><dd>time since forecast_reference_time</dd></dl></div><div class='xr-var-data'><pre>array([             0, 21600000000000], dtype=&#x27;timedelta64[ns]&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>latitude</span></div><div class='xr-var-dims'>(latitude)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>90.0 80.0 70.0 ... -80.0 -90.0</div><input id='attrs-507f68e2-7749-4dcd-9ddb-be28838a9831' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-507f68e2-7749-4dcd-9ddb-be28838a9831' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-5cb09286-7a6b-41d1-b16b-5302e6938f2e' class='xr-var-data-in' type='checkbox'><label for='data-5cb09286-7a6b-41d1-b16b-5302e6938f2e' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>degrees_north</dd><dt><span>standard_name :</span></dt><dd>latitude</dd><dt><span>long_name :</span></dt><dd>latitude</dd></dl></div><div class='xr-var-data'><pre>array([ 90.,  80.,  70.,  60.,  50.,  40.,  30.,  20.,  10.,   0., -10., -20.,\n",
+       "       -30., -40., -50., -60., -70., -80., -90.])</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>longitude</span></div><div class='xr-var-dims'>(longitude)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>0.0 10.0 20.0 ... 330.0 340.0 350.0</div><input id='attrs-edefee86-8e5b-42b9-8cb0-0df86b1b6f16' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-edefee86-8e5b-42b9-8cb0-0df86b1b6f16' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-726447f1-eb4c-4bb6-af1d-d4d90025ce75' class='xr-var-data-in' type='checkbox'><label for='data-726447f1-eb4c-4bb6-af1d-d4d90025ce75' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>degrees_east</dd><dt><span>standard_name :</span></dt><dd>longitude</dd><dt><span>long_name :</span></dt><dd>longitude</dd></dl></div><div class='xr-var-data'><pre>array([  0.,  10.,  20.,  30.,  40.,  50.,  60.,  70.,  80.,  90., 100., 110.,\n",
        "       120., 130., 140., 150., 160., 170., 180., 190., 200., 210., 220., 230.,\n",
-       "       240., 250., 260., 270., 280., 290., 300., 310., 320., 330., 340., 350.])</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-d4fe9b9c-978e-400d-acd4-e1048f0a4730' class='xr-section-summary-in' type='checkbox' checked /><label for='section-d4fe9b9c-978e-400d-acd4-e1048f0a4730' class='xr-section-summary' title='Expand/collapse section'>Data variables: <span>(1)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span>t</span></div><div class='xr-var-dims'>(member, step, latitude, longitude)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-cc5c2258-7814-4154-b3c6-fc747695ca1d' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-cc5c2258-7814-4154-b3c6-fc747695ca1d' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-116d9534-6889-4c4a-a9c3-4351ad1d5238' class='xr-var-data-in' type='checkbox'><label for='data-116d9534-6889-4c4a-a9c3-4351ad1d5238' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>standard_name :</span></dt><dd>air_temperature</dd><dt><span>long_name :</span></dt><dd>Temperature</dd><dt><span>units :</span></dt><dd>kelvin</dd><dt><span>level_type :</span></dt><dd>pressure</dd><dt><span>_earthkit :</span></dt><dd>{&#x27;message&#x27;: b&quot;GRIB\\x00\\x00\\xa2\\x01\\x00\\x00j\\x80b\\x9a\\xff\\x80\\x82d\\x01\\xf4\\x18\\x06\\x03\\x00\\x00\\x01\\x00\\x00\\x01\\x00\\x00\\x00\\x15\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x1e\\x01\\n\\x04\\x0b0001\\x003\\x02\\x00\\x00\\x00\\x014\\xd8\\xdb\\x00\\x00\\x01\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00 \\x00\\xff\\x00\\x00$\\x00\\x13\\x01_\\x90\\x00\\x00\\x00\\x80\\x81_\\x90\\x05W0&#x27;\\x10&#x27;\\x10\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x0c\\x00\\x80\\x02D\\xb9}n\\x00\\x007777&quot;, &#x27;bitsPerValue&#x27;: 12}</dd></dl></div><div class='xr-var-data'><pre>[4104 values with dtype=float64]</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-776662d4-5813-4523-ad6e-7415d7382d61' class='xr-section-summary-in' type='checkbox' checked /><label for='section-776662d4-5813-4523-ad6e-7415d7382d61' class='xr-section-summary' title='Expand/collapse section'>Attributes: <span>(2)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><dl class='xr-attrs'><dt><span>Conventions :</span></dt><dd>CF-1.8</dd><dt><span>institution :</span></dt><dd>ECMWF</dd></dl></div></li></ul></div></div>"
+       "       240., 250., 260., 270., 280., 290., 300., 310., 320., 330., 340., 350.])</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-87a6055d-8ce3-433c-935d-9064a2c05578' class='xr-section-summary-in' type='checkbox'  checked><label for='section-87a6055d-8ce3-433c-935d-9064a2c05578' class='xr-section-summary' >Data variables: <span>(1)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span>t</span></div><div class='xr-var-dims'>(member, step, latitude, longitude)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-e389f7dc-161e-4526-9aa8-bec31b472576' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-e389f7dc-161e-4526-9aa8-bec31b472576' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-6b358096-ac99-4478-90e6-dfaf77113b1b' class='xr-var-data-in' type='checkbox'><label for='data-6b358096-ac99-4478-90e6-dfaf77113b1b' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>standard_name :</span></dt><dd>air_temperature</dd><dt><span>long_name :</span></dt><dd>Temperature</dd><dt><span>units :</span></dt><dd>kelvin</dd><dt><span>level_type :</span></dt><dd>pressure</dd><dt><span>_earthkit :</span></dt><dd>{&#x27;message&#x27;: b&quot;GRIB\\x00\\x00\\xa2\\x01\\x00\\x00j\\x80b\\x9a\\xff\\x80\\x82d\\x01\\xf4\\x18\\x06\\x03\\x00\\x00\\x01\\x00\\x00\\x01\\x00\\x00\\x00\\x15\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x1e\\x01\\n\\x04\\x0b0001\\x003\\x02\\x00\\x00\\x00\\x014\\xd8\\xdb\\x00\\x00\\x01\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00 \\x00\\xff\\x00\\x00$\\x00\\x13\\x01_\\x90\\x00\\x00\\x00\\x80\\x81_\\x90\\x05W0&#x27;\\x10&#x27;\\x10\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x0c\\x00\\x80\\x02D\\xb9}n\\x00\\x007777&quot;, &#x27;bitsPerValue&#x27;: 12, &#x27;grid_spec&#x27;: &#x27;{&quot;grid&quot;: [10, 10]}&#x27;}</dd><dt><span>ek_grid_spec :</span></dt><dd>{&quot;grid&quot;: [10, 10]}</dd></dl></div><div class='xr-var-data'><pre>[4104 values with dtype=float64]</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-1fbacc5a-1837-4ff8-afed-edc7653238ff' class='xr-section-summary-in' type='checkbox'  checked><label for='section-1fbacc5a-1837-4ff8-afed-edc7653238ff' class='xr-section-summary' >Attributes: <span>(2)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><dl class='xr-attrs'><dt><span>Conventions :</span></dt><dd>CF-1.8</dd><dt><span>institution :</span></dt><dd>ECMWF</dd></dl></div></li></ul></div></div>"
       ],
       "text/plain": [
        "<xarray.Dataset> Size: 33kB\n",
diff --git a/docs/source/how-tos/xr_engine/xarray_engine_mono_variable.ipynb b/docs/source/how-tos/xr_engine/xarray_engine_mono_variable.ipynb
index 58fd8a8f..fbe9f376 100644
--- a/docs/source/how-tos/xr_engine/xarray_engine_mono_variable.ipynb
+++ b/docs/source/how-tos/xr_engine/xarray_engine_mono_variable.ipynb
@@ -31,11 +31,18 @@
    "metadata": {},
    "outputs": [
     {
-     "name": "stderr",
-     "output_type": "stream",
-     "text": [
-      "                                                                                                                                                                                    "
-     ]
+     "data": {
+      "application/vnd.jupyter.widget-view+json": {
+       "model_id": "94ea3258dd0b4d5999e1f93530a23682",
+       "version_major": 2,
+       "version_minor": 0
+      },
+      "text/plain": [
+       "t2_td2_1_year.grib:   0%|          | 0.00/515k [00:00<?, ?B/s]"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
     },
     {
      "data": {
@@ -82,14 +89,6 @@
     "tags": []
    },
    "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "GribToSpec: inconsistent increment: 'iDirectionIncrementInDegrees'=15.000000 ~= -165.000000 (calculated from 'longitudeOfFirstGridPointInDegrees'=360.000000, 'longitudeOfLastGridPointInDegrees'=30.000000, 'Ni'=3, 'iScansPositively'=1)\n",
-      "GribToSpec: inconsistent increment: 'iDirectionIncrementInDegrees'=15.000000 ~= -165.000000 (calculated from 'longitudeOfFirstGridPointInDegrees'=360.000000, 'longitudeOfLastGridPointInDegrees'=30.000000, 'Ni'=3, 'iScansPositively'=1)\n"
-     ]
-    },
     {
      "data": {
       "text/html": [
@@ -188,7 +187,6 @@
        "  min-width: 300px;\n",
        "  max-width: 700px;\n",
        "  line-height: 1.6;\n",
-       "  padding-bottom: 4px;\n",
        "}\n",
        "\n",
        ".xr-text-repr-fallback {\n",
@@ -199,11 +197,8 @@
        ".xr-header {\n",
        "  padding-top: 6px;\n",
        "  padding-bottom: 6px;\n",
-       "}\n",
-       "\n",
-       ".xr-header {\n",
-       "  border-bottom: solid 1px var(--xr-border-color);\n",
        "  margin-bottom: 4px;\n",
+       "  border-bottom: solid 1px var(--xr-border-color);\n",
        "}\n",
        "\n",
        ".xr-header > div,\n",
@@ -214,15 +209,20 @@
        "}\n",
        "\n",
        ".xr-obj-type,\n",
-       ".xr-obj-name {\n",
+       ".xr-obj-name,\n",
+       ".xr-group-name {\n",
        "  margin-left: 2px;\n",
        "  margin-right: 10px;\n",
        "}\n",
        "\n",
-       ".xr-obj-type,\n",
-       ".xr-group-box-contents > label {\n",
+       ".xr-group-name::before {\n",
+       "  content: \"📁\";\n",
+       "  padding-right: 0.3em;\n",
+       "}\n",
+       "\n",
+       ".xr-group-name,\n",
+       ".xr-obj-type {\n",
        "  color: var(--xr-font-color2);\n",
-       "  display: block;\n",
        "}\n",
        "\n",
        ".xr-sections {\n",
@@ -237,39 +237,28 @@
        "  display: contents;\n",
        "}\n",
        "\n",
-       ".xr-section-item > input,\n",
-       ".xr-group-box-contents > input,\n",
-       ".xr-array-wrap > input {\n",
-       "  display: block;\n",
+       ".xr-section-item input {\n",
+       "  display: inline-block;\n",
        "  opacity: 0;\n",
        "  height: 0;\n",
        "  margin: 0;\n",
        "}\n",
        "\n",
-       ".xr-section-item > input + label,\n",
-       ".xr-var-item > input + label {\n",
+       ".xr-section-item input + label {\n",
        "  color: var(--xr-disabled-color);\n",
+       "  border: 2px solid transparent !important;\n",
        "}\n",
        "\n",
-       ".xr-section-item > input:enabled + label,\n",
-       ".xr-var-item > input:enabled + label,\n",
-       ".xr-array-wrap > input:enabled + label,\n",
-       ".xr-group-box-contents > input:enabled + label {\n",
+       ".xr-section-item input:enabled + label {\n",
        "  cursor: pointer;\n",
        "  color: var(--xr-font-color2);\n",
        "}\n",
        "\n",
-       ".xr-section-item > input:focus-visible + label,\n",
-       ".xr-var-item > input:focus-visible + label,\n",
-       ".xr-array-wrap > input:focus-visible + label,\n",
-       ".xr-group-box-contents > input:focus-visible + label {\n",
-       "  outline: auto;\n",
+       ".xr-section-item input:focus + label {\n",
+       "  border: 2px solid var(--xr-font-color0) !important;\n",
        "}\n",
        "\n",
-       ".xr-section-item > input:enabled + label:hover,\n",
-       ".xr-var-item > input:enabled + label:hover,\n",
-       ".xr-array-wrap > input:enabled + label:hover,\n",
-       ".xr-group-box-contents > input:enabled + label:hover {\n",
+       ".xr-section-item input:enabled + label:hover {\n",
        "  color: var(--xr-font-color0);\n",
        "}\n",
        "\n",
@@ -277,25 +266,11 @@
        "  grid-column: 1;\n",
        "  color: var(--xr-font-color2);\n",
        "  font-weight: 500;\n",
-       "  white-space: nowrap;\n",
-       "}\n",
-       "\n",
-       ".xr-section-summary > em {\n",
-       "  font-weight: normal;\n",
-       "}\n",
-       "\n",
-       ".xr-span-grid {\n",
-       "  grid-column-end: -1;\n",
        "}\n",
        "\n",
        ".xr-section-summary > span {\n",
        "  display: inline-block;\n",
-       "  padding-left: 0.3em;\n",
-       "}\n",
-       "\n",
-       ".xr-group-box-contents > input:checked + label > span {\n",
-       "  display: inline-block;\n",
-       "  padding-left: 0.6em;\n",
+       "  padding-left: 0.5em;\n",
        "}\n",
        "\n",
        ".xr-section-summary-in:disabled + label {\n",
@@ -323,8 +298,7 @@
        "}\n",
        "\n",
        ".xr-section-summary,\n",
-       ".xr-section-inline-details,\n",
-       ".xr-group-box-contents > label {\n",
+       ".xr-section-inline-details {\n",
        "  padding-top: 4px;\n",
        "}\n",
        "\n",
@@ -333,29 +307,20 @@
        "}\n",
        "\n",
        ".xr-section-details {\n",
+       "  display: none;\n",
        "  grid-column: 1 / -1;\n",
        "  margin-top: 4px;\n",
        "  margin-bottom: 5px;\n",
        "}\n",
        "\n",
-       ".xr-section-summary-in ~ .xr-section-details {\n",
-       "  display: none;\n",
-       "}\n",
-       "\n",
        ".xr-section-summary-in:checked ~ .xr-section-details {\n",
        "  display: contents;\n",
        "}\n",
        "\n",
-       ".xr-children {\n",
-       "  display: inline-grid;\n",
-       "  grid-template-columns: 100%;\n",
-       "  grid-column: 1 / -1;\n",
-       "  padding-top: 4px;\n",
-       "}\n",
-       "\n",
        ".xr-group-box {\n",
        "  display: inline-grid;\n",
-       "  grid-template-columns: 0px 30px auto;\n",
+       "  grid-template-columns: 0px 20px auto;\n",
+       "  width: 100%;\n",
        "}\n",
        "\n",
        ".xr-group-box-vline {\n",
@@ -369,43 +334,13 @@
        "  grid-column-start: 2;\n",
        "  grid-row-start: 1;\n",
        "  height: 1em;\n",
-       "  width: 26px;\n",
+       "  width: 20px;\n",
        "  border-bottom: 0.2em solid;\n",
        "  border-color: var(--xr-border-color);\n",
        "}\n",
        "\n",
        ".xr-group-box-contents {\n",
        "  grid-column-start: 3;\n",
-       "  padding-bottom: 4px;\n",
-       "}\n",
-       "\n",
-       ".xr-group-box-contents > label::before {\n",
-       "  content: \"📂\";\n",
-       "  padding-right: 0.3em;\n",
-       "}\n",
-       "\n",
-       ".xr-group-box-contents > input:checked + label::before {\n",
-       "  content: \"📁\";\n",
-       "}\n",
-       "\n",
-       ".xr-group-box-contents > input:checked + label {\n",
-       "  padding-bottom: 0px;\n",
-       "}\n",
-       "\n",
-       ".xr-group-box-contents > input:checked ~ .xr-sections {\n",
-       "  display: none;\n",
-       "}\n",
-       "\n",
-       ".xr-group-box-contents > input + label > span {\n",
-       "  display: none;\n",
-       "}\n",
-       "\n",
-       ".xr-group-box-ellipsis {\n",
-       "  font-size: 1.4em;\n",
-       "  font-weight: 900;\n",
-       "  color: var(--xr-font-color2);\n",
-       "  letter-spacing: 0.15em;\n",
-       "  cursor: default;\n",
        "}\n",
        "\n",
        ".xr-array-wrap {\n",
@@ -647,10 +582,10 @@
        "    data            (valid_datetime, variable, values) float64 105kB dask.array&lt;chunksize=(732, 2, 9), meta=np.ndarray&gt;\n",
        "Attributes:\n",
        "    Conventions:  CF-1.8\n",
-       "    institution:  ECMWF</pre><div class='xr-wrap' style='display:none'><div class='xr-header'><div class='xr-obj-type'>xarray.Dataset</div></div><ul class='xr-sections'><li class='xr-section-item'><input id='section-47566156-9d73-44dc-ab9e-ed1d8ea9fa7f' class='xr-section-summary-in' type='checkbox' disabled /><label for='section-47566156-9d73-44dc-ab9e-ed1d8ea9fa7f' class='xr-section-summary'>Dimensions:</label><div class='xr-section-inline-details'><ul class='xr-dim-list'><li><span class='xr-has-index'>valid_datetime</span>: 732</li><li><span class='xr-has-index'>variable</span>: 2</li><li><span>values</span>: 9</li></ul></div></li><li class='xr-section-item'><input id='section-c9c4030b-9fcf-4d13-bf44-a609a20780bc' class='xr-section-summary-in' type='checkbox' checked /><label for='section-c9c4030b-9fcf-4d13-bf44-a609a20780bc' class='xr-section-summary' title='Expand/collapse section'>Coordinates: <span>(4)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>valid_datetime</span></div><div class='xr-var-dims'>(valid_datetime)</div><div class='xr-var-dtype'>datetime64[ns]</div><div class='xr-var-preview xr-preview'>2020-01-01 ... 2020-12-31T12:00:00</div><input id='attrs-35b6672f-2d9a-4c68-b01d-2603c01b7bbf' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-35b6672f-2d9a-4c68-b01d-2603c01b7bbf' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-9939d40a-cdee-47af-9897-4515b337e28b' class='xr-var-data-in' type='checkbox'><label for='data-9939d40a-cdee-47af-9897-4515b337e28b' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array([&#x27;2020-01-01T00:00:00.000000000&#x27;, &#x27;2020-01-01T12:00:00.000000000&#x27;,\n",
+       "    institution:  ECMWF</pre><div class='xr-wrap' style='display:none'><div class='xr-header'><div class='xr-obj-type'>xarray.Dataset</div></div><ul class='xr-sections'><li class='xr-section-item'><input id='section-bdc5899b-cd5a-4fa7-be31-7fa76050c31a' class='xr-section-summary-in' type='checkbox' disabled ><label for='section-bdc5899b-cd5a-4fa7-be31-7fa76050c31a' class='xr-section-summary'  title='Expand/collapse section'>Dimensions:</label><div class='xr-section-inline-details'><ul class='xr-dim-list'><li><span class='xr-has-index'>valid_datetime</span>: 732</li><li><span class='xr-has-index'>variable</span>: 2</li><li><span>values</span>: 9</li></ul></div><div class='xr-section-details'></div></li><li class='xr-section-item'><input id='section-04086d29-920c-48be-b183-2a9bf942b6b8' class='xr-section-summary-in' type='checkbox'  checked><label for='section-04086d29-920c-48be-b183-2a9bf942b6b8' class='xr-section-summary' >Coordinates: <span>(4)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>valid_datetime</span></div><div class='xr-var-dims'>(valid_datetime)</div><div class='xr-var-dtype'>datetime64[ns]</div><div class='xr-var-preview xr-preview'>2020-01-01 ... 2020-12-31T12:00:00</div><input id='attrs-db6e7ef7-d119-40ff-a577-fa595b1c87f2' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-db6e7ef7-d119-40ff-a577-fa595b1c87f2' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-8f6c0b6c-5934-4eb0-a48a-55f6571c865b' class='xr-var-data-in' type='checkbox'><label for='data-8f6c0b6c-5934-4eb0-a48a-55f6571c865b' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array([&#x27;2020-01-01T00:00:00.000000000&#x27;, &#x27;2020-01-01T12:00:00.000000000&#x27;,\n",
        "       &#x27;2020-01-02T00:00:00.000000000&#x27;, ..., &#x27;2020-12-30T12:00:00.000000000&#x27;,\n",
        "       &#x27;2020-12-31T00:00:00.000000000&#x27;, &#x27;2020-12-31T12:00:00.000000000&#x27;],\n",
-       "      shape=(732,), dtype=&#x27;datetime64[ns]&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>variable</span></div><div class='xr-var-dims'>(variable)</div><div class='xr-var-dtype'>&lt;U2</div><div class='xr-var-preview xr-preview'>&#x27;2d&#x27; &#x27;2t&#x27;</div><input id='attrs-2987ff81-d89a-4ae6-aa5a-eef7a46d0bdb' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-2987ff81-d89a-4ae6-aa5a-eef7a46d0bdb' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-4670b826-4ce5-432a-9b77-6a652562a7d5' class='xr-var-data-in' type='checkbox'><label for='data-4670b826-4ce5-432a-9b77-6a652562a7d5' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array([&#x27;2d&#x27;, &#x27;2t&#x27;], dtype=&#x27;&lt;U2&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>latitude</span></div><div class='xr-var-dims'>(values)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>dask.array&lt;chunksize=(9,), meta=np.ndarray&gt;</div><input id='attrs-a04b15b6-d872-44ae-abd4-9d15af521bce' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-a04b15b6-d872-44ae-abd4-9d15af521bce' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-6a9c43a0-dc77-4d36-a12d-bb1d23d2c6d9' class='xr-var-data-in' type='checkbox'><label for='data-6a9c43a0-dc77-4d36-a12d-bb1d23d2c6d9' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>degrees_north</dd><dt><span>standard_name :</span></dt><dd>latitude</dd><dt><span>long_name :</span></dt><dd>latitude</dd></dl></div><div class='xr-var-data'><table>\n",
+       "      shape=(732,), dtype=&#x27;datetime64[ns]&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>variable</span></div><div class='xr-var-dims'>(variable)</div><div class='xr-var-dtype'>&lt;U2</div><div class='xr-var-preview xr-preview'>&#x27;2d&#x27; &#x27;2t&#x27;</div><input id='attrs-88b45545-b9b2-401a-9b29-b4f82e277038' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-88b45545-b9b2-401a-9b29-b4f82e277038' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-2a8c2151-afde-4bc5-86c4-2f971be97456' class='xr-var-data-in' type='checkbox'><label for='data-2a8c2151-afde-4bc5-86c4-2f971be97456' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array([&#x27;2d&#x27;, &#x27;2t&#x27;], dtype=&#x27;&lt;U2&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>latitude</span></div><div class='xr-var-dims'>(values)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>dask.array&lt;chunksize=(9,), meta=np.ndarray&gt;</div><input id='attrs-4a142757-28c2-469d-ac4d-51c918f6b6d2' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-4a142757-28c2-469d-ac4d-51c918f6b6d2' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-707a8b28-f123-449e-815c-285dbd9e7660' class='xr-var-data-in' type='checkbox'><label for='data-707a8b28-f123-449e-815c-285dbd9e7660' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>degrees_north</dd><dt><span>standard_name :</span></dt><dd>latitude</dd><dt><span>long_name :</span></dt><dd>latitude</dd></dl></div><div class='xr-var-data'><table>\n",
        "    <tr>\n",
        "        <td>\n",
        "            <table style=\"border-collapse: collapse;\">\n",
@@ -700,12 +635,12 @@
        "  <polygon points=\"0.0,0.0 120.0,0.0 120.0,39.17227773220867 0.0,39.17227773220867\" style=\"fill:#ECB172A0;stroke-width:0\"/>\n",
        "\n",
        "  <!-- Text -->\n",
-       "  <text x=\"60.000000\" y=\"59.172278\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" >9</text>\n",
-       "  <text x=\"140.000000\" y=\"19.586139\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" transform=\"rotate(0,140.000000,19.586139)\">1</text>\n",
+       "  <text x=\"60.0\" y=\"59.17227773220867\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" >9</text>\n",
+       "  <text x=\"140.0\" y=\"19.586138866104335\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" transform=\"rotate(0,140.0,19.586138866104335)\">1</text>\n",
        "</svg>\n",
        "        </td>\n",
        "    </tr>\n",
-       "</table></div></li><li class='xr-var-item'><div class='xr-var-name'><span>longitude</span></div><div class='xr-var-dims'>(values)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>dask.array&lt;chunksize=(9,), meta=np.ndarray&gt;</div><input id='attrs-673bafce-a786-460f-a82c-86d05258fea4' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-673bafce-a786-460f-a82c-86d05258fea4' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-c6d5b8dc-df6f-4926-b0ef-3491c4cf0ee0' class='xr-var-data-in' type='checkbox'><label for='data-c6d5b8dc-df6f-4926-b0ef-3491c4cf0ee0' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>degrees_east</dd><dt><span>standard_name :</span></dt><dd>longitude</dd><dt><span>long_name :</span></dt><dd>longitude</dd></dl></div><div class='xr-var-data'><table>\n",
+       "</table></div></li><li class='xr-var-item'><div class='xr-var-name'><span>longitude</span></div><div class='xr-var-dims'>(values)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>dask.array&lt;chunksize=(9,), meta=np.ndarray&gt;</div><input id='attrs-52e74ae3-7d27-478b-b16b-e7bdfc8c319f' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-52e74ae3-7d27-478b-b16b-e7bdfc8c319f' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-1c3e7eb8-9a1a-4be9-9424-7ee1970af205' class='xr-var-data-in' type='checkbox'><label for='data-1c3e7eb8-9a1a-4be9-9424-7ee1970af205' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>degrees_east</dd><dt><span>standard_name :</span></dt><dd>longitude</dd><dt><span>long_name :</span></dt><dd>longitude</dd></dl></div><div class='xr-var-data'><table>\n",
        "    <tr>\n",
        "        <td>\n",
        "            <table style=\"border-collapse: collapse;\">\n",
@@ -755,12 +690,12 @@
        "  <polygon points=\"0.0,0.0 120.0,0.0 120.0,39.17227773220867 0.0,39.17227773220867\" style=\"fill:#ECB172A0;stroke-width:0\"/>\n",
        "\n",
        "  <!-- Text -->\n",
-       "  <text x=\"60.000000\" y=\"59.172278\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" >9</text>\n",
-       "  <text x=\"140.000000\" y=\"19.586139\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" transform=\"rotate(0,140.000000,19.586139)\">1</text>\n",
+       "  <text x=\"60.0\" y=\"59.17227773220867\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" >9</text>\n",
+       "  <text x=\"140.0\" y=\"19.586138866104335\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" transform=\"rotate(0,140.0,19.586138866104335)\">1</text>\n",
        "</svg>\n",
        "        </td>\n",
        "    </tr>\n",
-       "</table></div></li></ul></div></li><li class='xr-section-item'><input id='section-25ba0064-a1d7-42fd-a991-123ee18098b8' class='xr-section-summary-in' type='checkbox' checked /><label for='section-25ba0064-a1d7-42fd-a991-123ee18098b8' class='xr-section-summary' title='Expand/collapse section'>Data variables: <span>(1)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span>data</span></div><div class='xr-var-dims'>(valid_datetime, variable, values)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>dask.array&lt;chunksize=(732, 2, 9), meta=np.ndarray&gt;</div><input id='attrs-075584c1-2668-40c9-9938-cd16c767db23' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-075584c1-2668-40c9-9938-cd16c767db23' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-b940bab2-d03d-43b0-a113-eef893313686' class='xr-var-data-in' type='checkbox'><label for='data-b940bab2-d03d-43b0-a113-eef893313686' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>standard_name :</span></dt><dd>unknown</dd><dt><span>long_name :</span></dt><dd>2 metre dewpoint temperature</dd><dt><span>units :</span></dt><dd>kelvin</dd><dt><span>level_type :</span></dt><dd>height_above_ground_level</dd></dl></div><div class='xr-var-data'><table>\n",
+       "</table></div></li></ul></div></li><li class='xr-section-item'><input id='section-115e0221-bfe1-4091-ada6-a6b2b3eebbd7' class='xr-section-summary-in' type='checkbox'  checked><label for='section-115e0221-bfe1-4091-ada6-a6b2b3eebbd7' class='xr-section-summary' >Data variables: <span>(1)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span>data</span></div><div class='xr-var-dims'>(valid_datetime, variable, values)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>dask.array&lt;chunksize=(732, 2, 9), meta=np.ndarray&gt;</div><input id='attrs-747f510f-bbe6-401e-b66a-916df095b9f7' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-747f510f-bbe6-401e-b66a-916df095b9f7' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-a5a633a7-d906-4d6c-9a75-358fbc069aa3' class='xr-var-data-in' type='checkbox'><label for='data-a5a633a7-d906-4d6c-9a75-358fbc069aa3' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>standard_name :</span></dt><dd>unknown</dd><dt><span>long_name :</span></dt><dd>2 metre dewpoint temperature</dd><dt><span>units :</span></dt><dd>kelvin</dd><dt><span>level_type :</span></dt><dd>height_above_ground_level</dd><dt><span>ek_grid_spec :</span></dt><dd>{&quot;area&quot;: [60, 0, 30, 30], &quot;grid&quot;: [15, 15]}</dd></dl></div><div class='xr-var-data'><table>\n",
        "    <tr>\n",
        "        <td>\n",
        "            <table style=\"border-collapse: collapse;\">\n",
@@ -832,13 +767,13 @@
        "  <polygon points=\"80.58823529411765,70.58823529411765 107.01731119759718,70.58823529411765 107.01731119759718,96.00085180870013 80.58823529411765,96.00085180870013\" style=\"fill:#ECB172A0;stroke-width:0\"/>\n",
        "\n",
        "  <!-- Text -->\n",
-       "  <text x=\"93.802773\" y=\"116.000852\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" >9</text>\n",
-       "  <text x=\"127.017311\" y=\"83.294544\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" transform=\"rotate(0,127.017311,83.294544)\">2</text>\n",
-       "  <text x=\"35.294118\" y=\"80.706734\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" transform=\"rotate(45,35.294118,80.706734)\">732</text>\n",
+       "  <text x=\"93.80277324585742\" y=\"116.00085180870013\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" >9</text>\n",
+       "  <text x=\"127.01731119759718\" y=\"83.29454355140889\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" transform=\"rotate(0,127.01731119759718,83.29454355140889)\">2</text>\n",
+       "  <text x=\"35.294117647058826\" y=\"80.70673416164131\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" transform=\"rotate(45,35.294117647058826,80.70673416164131)\">732</text>\n",
        "</svg>\n",
        "        </td>\n",
        "    </tr>\n",
-       "</table></div></li></ul></div></li><li class='xr-section-item'><input id='section-74b65fc0-bfb4-47ea-b478-d9395f772fe5' class='xr-section-summary-in' type='checkbox' checked /><label for='section-74b65fc0-bfb4-47ea-b478-d9395f772fe5' class='xr-section-summary' title='Expand/collapse section'>Attributes: <span>(2)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><dl class='xr-attrs'><dt><span>Conventions :</span></dt><dd>CF-1.8</dd><dt><span>institution :</span></dt><dd>ECMWF</dd></dl></div></li></ul></div></div>"
+       "</table></div></li></ul></div></li><li class='xr-section-item'><input id='section-64530d2f-c066-4b63-aecc-37fa0a282268' class='xr-section-summary-in' type='checkbox'  checked><label for='section-64530d2f-c066-4b63-aecc-37fa0a282268' class='xr-section-summary' >Attributes: <span>(2)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><dl class='xr-attrs'><dt><span>Conventions :</span></dt><dd>CF-1.8</dd><dt><span>institution :</span></dt><dd>ECMWF</dd></dl></div></li></ul></div></div>"
       ],
       "text/plain": [
        "<xarray.Dataset> Size: 111kB\n",
@@ -984,7 +919,6 @@
        "  min-width: 300px;\n",
        "  max-width: 700px;\n",
        "  line-height: 1.6;\n",
-       "  padding-bottom: 4px;\n",
        "}\n",
        "\n",
        ".xr-text-repr-fallback {\n",
@@ -995,11 +929,8 @@
        ".xr-header {\n",
        "  padding-top: 6px;\n",
        "  padding-bottom: 6px;\n",
-       "}\n",
-       "\n",
-       ".xr-header {\n",
-       "  border-bottom: solid 1px var(--xr-border-color);\n",
        "  margin-bottom: 4px;\n",
+       "  border-bottom: solid 1px var(--xr-border-color);\n",
        "}\n",
        "\n",
        ".xr-header > div,\n",
@@ -1010,15 +941,20 @@
        "}\n",
        "\n",
        ".xr-obj-type,\n",
-       ".xr-obj-name {\n",
+       ".xr-obj-name,\n",
+       ".xr-group-name {\n",
        "  margin-left: 2px;\n",
        "  margin-right: 10px;\n",
        "}\n",
        "\n",
-       ".xr-obj-type,\n",
-       ".xr-group-box-contents > label {\n",
+       ".xr-group-name::before {\n",
+       "  content: \"📁\";\n",
+       "  padding-right: 0.3em;\n",
+       "}\n",
+       "\n",
+       ".xr-group-name,\n",
+       ".xr-obj-type {\n",
        "  color: var(--xr-font-color2);\n",
-       "  display: block;\n",
        "}\n",
        "\n",
        ".xr-sections {\n",
@@ -1033,39 +969,28 @@
        "  display: contents;\n",
        "}\n",
        "\n",
-       ".xr-section-item > input,\n",
-       ".xr-group-box-contents > input,\n",
-       ".xr-array-wrap > input {\n",
-       "  display: block;\n",
+       ".xr-section-item input {\n",
+       "  display: inline-block;\n",
        "  opacity: 0;\n",
        "  height: 0;\n",
        "  margin: 0;\n",
        "}\n",
        "\n",
-       ".xr-section-item > input + label,\n",
-       ".xr-var-item > input + label {\n",
+       ".xr-section-item input + label {\n",
        "  color: var(--xr-disabled-color);\n",
+       "  border: 2px solid transparent !important;\n",
        "}\n",
        "\n",
-       ".xr-section-item > input:enabled + label,\n",
-       ".xr-var-item > input:enabled + label,\n",
-       ".xr-array-wrap > input:enabled + label,\n",
-       ".xr-group-box-contents > input:enabled + label {\n",
+       ".xr-section-item input:enabled + label {\n",
        "  cursor: pointer;\n",
        "  color: var(--xr-font-color2);\n",
        "}\n",
        "\n",
-       ".xr-section-item > input:focus-visible + label,\n",
-       ".xr-var-item > input:focus-visible + label,\n",
-       ".xr-array-wrap > input:focus-visible + label,\n",
-       ".xr-group-box-contents > input:focus-visible + label {\n",
-       "  outline: auto;\n",
+       ".xr-section-item input:focus + label {\n",
+       "  border: 2px solid var(--xr-font-color0) !important;\n",
        "}\n",
        "\n",
-       ".xr-section-item > input:enabled + label:hover,\n",
-       ".xr-var-item > input:enabled + label:hover,\n",
-       ".xr-array-wrap > input:enabled + label:hover,\n",
-       ".xr-group-box-contents > input:enabled + label:hover {\n",
+       ".xr-section-item input:enabled + label:hover {\n",
        "  color: var(--xr-font-color0);\n",
        "}\n",
        "\n",
@@ -1073,25 +998,11 @@
        "  grid-column: 1;\n",
        "  color: var(--xr-font-color2);\n",
        "  font-weight: 500;\n",
-       "  white-space: nowrap;\n",
-       "}\n",
-       "\n",
-       ".xr-section-summary > em {\n",
-       "  font-weight: normal;\n",
-       "}\n",
-       "\n",
-       ".xr-span-grid {\n",
-       "  grid-column-end: -1;\n",
        "}\n",
        "\n",
        ".xr-section-summary > span {\n",
        "  display: inline-block;\n",
-       "  padding-left: 0.3em;\n",
-       "}\n",
-       "\n",
-       ".xr-group-box-contents > input:checked + label > span {\n",
-       "  display: inline-block;\n",
-       "  padding-left: 0.6em;\n",
+       "  padding-left: 0.5em;\n",
        "}\n",
        "\n",
        ".xr-section-summary-in:disabled + label {\n",
@@ -1119,8 +1030,7 @@
        "}\n",
        "\n",
        ".xr-section-summary,\n",
-       ".xr-section-inline-details,\n",
-       ".xr-group-box-contents > label {\n",
+       ".xr-section-inline-details {\n",
        "  padding-top: 4px;\n",
        "}\n",
        "\n",
@@ -1129,29 +1039,20 @@
        "}\n",
        "\n",
        ".xr-section-details {\n",
+       "  display: none;\n",
        "  grid-column: 1 / -1;\n",
        "  margin-top: 4px;\n",
        "  margin-bottom: 5px;\n",
        "}\n",
        "\n",
-       ".xr-section-summary-in ~ .xr-section-details {\n",
-       "  display: none;\n",
-       "}\n",
-       "\n",
        ".xr-section-summary-in:checked ~ .xr-section-details {\n",
        "  display: contents;\n",
        "}\n",
        "\n",
-       ".xr-children {\n",
-       "  display: inline-grid;\n",
-       "  grid-template-columns: 100%;\n",
-       "  grid-column: 1 / -1;\n",
-       "  padding-top: 4px;\n",
-       "}\n",
-       "\n",
        ".xr-group-box {\n",
        "  display: inline-grid;\n",
-       "  grid-template-columns: 0px 30px auto;\n",
+       "  grid-template-columns: 0px 20px auto;\n",
+       "  width: 100%;\n",
        "}\n",
        "\n",
        ".xr-group-box-vline {\n",
@@ -1165,43 +1066,13 @@
        "  grid-column-start: 2;\n",
        "  grid-row-start: 1;\n",
        "  height: 1em;\n",
-       "  width: 26px;\n",
+       "  width: 20px;\n",
        "  border-bottom: 0.2em solid;\n",
        "  border-color: var(--xr-border-color);\n",
        "}\n",
        "\n",
        ".xr-group-box-contents {\n",
        "  grid-column-start: 3;\n",
-       "  padding-bottom: 4px;\n",
-       "}\n",
-       "\n",
-       ".xr-group-box-contents > label::before {\n",
-       "  content: \"📂\";\n",
-       "  padding-right: 0.3em;\n",
-       "}\n",
-       "\n",
-       ".xr-group-box-contents > input:checked + label::before {\n",
-       "  content: \"📁\";\n",
-       "}\n",
-       "\n",
-       ".xr-group-box-contents > input:checked + label {\n",
-       "  padding-bottom: 0px;\n",
-       "}\n",
-       "\n",
-       ".xr-group-box-contents > input:checked ~ .xr-sections {\n",
-       "  display: none;\n",
-       "}\n",
-       "\n",
-       ".xr-group-box-contents > input + label > span {\n",
-       "  display: none;\n",
-       "}\n",
-       "\n",
-       ".xr-group-box-ellipsis {\n",
-       "  font-size: 1.4em;\n",
-       "  font-weight: 900;\n",
-       "  color: var(--xr-font-color2);\n",
-       "  letter-spacing: 0.15em;\n",
-       "  cursor: default;\n",
        "}\n",
        "\n",
        ".xr-array-wrap {\n",
@@ -1443,7 +1314,8 @@
        "    standard_name:  unknown\n",
        "    long_name:      2 metre dewpoint temperature\n",
        "    units:          kelvin\n",
-       "    level_type:     height_above_ground_level</pre><div class='xr-wrap' style='display:none'><div class='xr-header'><div class='xr-obj-type'>xarray.DataArray</div><div class='xr-obj-name'>&#x27;data&#x27;</div><ul class='xr-dim-list'><li><span class='xr-has-index'>valid_datetime</span>: 732</li><li><span class='xr-has-index'>variable</span>: 2</li><li><span>values</span>: 9</li></ul></div><ul class='xr-sections'><li class='xr-section-item'><div class='xr-array-wrap'><input id='section-14f2f9e6-c2ec-43c7-bf18-f9120d8ca31d' class='xr-array-in' type='checkbox' checked><label for='section-14f2f9e6-c2ec-43c7-bf18-f9120d8ca31d' title='Show/hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-array-preview xr-preview'><span>dask.array&lt;chunksize=(732, 2, 9), meta=np.ndarray&gt;</span></div><div class='xr-array-data'><table>\n",
+       "    level_type:     height_above_ground_level\n",
+       "    ek_grid_spec:   {&quot;area&quot;: [60, 0, 30, 30], &quot;grid&quot;: [15, 15]}</pre><div class='xr-wrap' style='display:none'><div class='xr-header'><div class='xr-obj-type'>xarray.DataArray</div><div class='xr-obj-name'>&#x27;data&#x27;</div><ul class='xr-dim-list'><li><span class='xr-has-index'>valid_datetime</span>: 732</li><li><span class='xr-has-index'>variable</span>: 2</li><li><span>values</span>: 9</li></ul></div><ul class='xr-sections'><li class='xr-section-item'><div class='xr-array-wrap'><input id='section-c2ae4099-b01f-46ee-a4c4-b89e01e350fe' class='xr-array-in' type='checkbox' checked><label for='section-c2ae4099-b01f-46ee-a4c4-b89e01e350fe' title='Show/hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-array-preview xr-preview'><span>dask.array&lt;chunksize=(732, 2, 9), meta=np.ndarray&gt;</span></div><div class='xr-array-data'><table>\n",
        "    <tr>\n",
        "        <td>\n",
        "            <table style=\"border-collapse: collapse;\">\n",
@@ -1515,16 +1387,16 @@
        "  <polygon points=\"80.58823529411765,70.58823529411765 107.01731119759718,70.58823529411765 107.01731119759718,96.00085180870013 80.58823529411765,96.00085180870013\" style=\"fill:#ECB172A0;stroke-width:0\"/>\n",
        "\n",
        "  <!-- Text -->\n",
-       "  <text x=\"93.802773\" y=\"116.000852\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" >9</text>\n",
-       "  <text x=\"127.017311\" y=\"83.294544\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" transform=\"rotate(0,127.017311,83.294544)\">2</text>\n",
-       "  <text x=\"35.294118\" y=\"80.706734\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" transform=\"rotate(45,35.294118,80.706734)\">732</text>\n",
+       "  <text x=\"93.80277324585742\" y=\"116.00085180870013\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" >9</text>\n",
+       "  <text x=\"127.01731119759718\" y=\"83.29454355140889\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" transform=\"rotate(0,127.01731119759718,83.29454355140889)\">2</text>\n",
+       "  <text x=\"35.294117647058826\" y=\"80.70673416164131\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" transform=\"rotate(45,35.294117647058826,80.70673416164131)\">732</text>\n",
        "</svg>\n",
        "        </td>\n",
        "    </tr>\n",
-       "</table></div></div></li><li class='xr-section-item'><input id='section-a3ff368d-82fa-4f22-ba77-039d377aaa1a' class='xr-section-summary-in' type='checkbox' checked /><label for='section-a3ff368d-82fa-4f22-ba77-039d377aaa1a' class='xr-section-summary' title='Expand/collapse section'>Coordinates: <span>(4)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>valid_datetime</span></div><div class='xr-var-dims'>(valid_datetime)</div><div class='xr-var-dtype'>datetime64[ns]</div><div class='xr-var-preview xr-preview'>2020-01-01 ... 2020-12-31T12:00:00</div><input id='attrs-6a107581-6049-4cb4-93f1-ceebd0e36091' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-6a107581-6049-4cb4-93f1-ceebd0e36091' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-25a45349-e0d0-42dd-a3bb-53095ca9bc23' class='xr-var-data-in' type='checkbox'><label for='data-25a45349-e0d0-42dd-a3bb-53095ca9bc23' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array([&#x27;2020-01-01T00:00:00.000000000&#x27;, &#x27;2020-01-01T12:00:00.000000000&#x27;,\n",
+       "</table></div></div></li><li class='xr-section-item'><input id='section-a410e68f-d577-4126-bcfa-dbdadeac2f3d' class='xr-section-summary-in' type='checkbox'  checked><label for='section-a410e68f-d577-4126-bcfa-dbdadeac2f3d' class='xr-section-summary' >Coordinates: <span>(4)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>valid_datetime</span></div><div class='xr-var-dims'>(valid_datetime)</div><div class='xr-var-dtype'>datetime64[ns]</div><div class='xr-var-preview xr-preview'>2020-01-01 ... 2020-12-31T12:00:00</div><input id='attrs-f7f36009-f23c-4ffc-8c80-b9446cf05054' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-f7f36009-f23c-4ffc-8c80-b9446cf05054' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-c212b36a-78c5-4294-b2ad-1c45d3fdd468' class='xr-var-data-in' type='checkbox'><label for='data-c212b36a-78c5-4294-b2ad-1c45d3fdd468' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array([&#x27;2020-01-01T00:00:00.000000000&#x27;, &#x27;2020-01-01T12:00:00.000000000&#x27;,\n",
        "       &#x27;2020-01-02T00:00:00.000000000&#x27;, ..., &#x27;2020-12-30T12:00:00.000000000&#x27;,\n",
        "       &#x27;2020-12-31T00:00:00.000000000&#x27;, &#x27;2020-12-31T12:00:00.000000000&#x27;],\n",
-       "      shape=(732,), dtype=&#x27;datetime64[ns]&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>variable</span></div><div class='xr-var-dims'>(variable)</div><div class='xr-var-dtype'>&lt;U2</div><div class='xr-var-preview xr-preview'>&#x27;2d&#x27; &#x27;2t&#x27;</div><input id='attrs-120d2f36-3dca-4861-baa2-005f3a0536f3' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-120d2f36-3dca-4861-baa2-005f3a0536f3' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-8d0020cc-4671-4a28-b8c0-69fbae45a63d' class='xr-var-data-in' type='checkbox'><label for='data-8d0020cc-4671-4a28-b8c0-69fbae45a63d' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array([&#x27;2d&#x27;, &#x27;2t&#x27;], dtype=&#x27;&lt;U2&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>latitude</span></div><div class='xr-var-dims'>(values)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>dask.array&lt;chunksize=(9,), meta=np.ndarray&gt;</div><input id='attrs-a51ed74f-454a-40f3-8405-585126020082' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-a51ed74f-454a-40f3-8405-585126020082' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-98cdb205-e620-446a-b71d-4559cec8e7fb' class='xr-var-data-in' type='checkbox'><label for='data-98cdb205-e620-446a-b71d-4559cec8e7fb' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>degrees_north</dd><dt><span>standard_name :</span></dt><dd>latitude</dd><dt><span>long_name :</span></dt><dd>latitude</dd></dl></div><div class='xr-var-data'><table>\n",
+       "      shape=(732,), dtype=&#x27;datetime64[ns]&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>variable</span></div><div class='xr-var-dims'>(variable)</div><div class='xr-var-dtype'>&lt;U2</div><div class='xr-var-preview xr-preview'>&#x27;2d&#x27; &#x27;2t&#x27;</div><input id='attrs-367496cb-1de3-4c9b-abe7-89378392c1b3' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-367496cb-1de3-4c9b-abe7-89378392c1b3' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-98d8df64-d833-40c7-8b88-d5315d27fa13' class='xr-var-data-in' type='checkbox'><label for='data-98d8df64-d833-40c7-8b88-d5315d27fa13' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array([&#x27;2d&#x27;, &#x27;2t&#x27;], dtype=&#x27;&lt;U2&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>latitude</span></div><div class='xr-var-dims'>(values)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>dask.array&lt;chunksize=(9,), meta=np.ndarray&gt;</div><input id='attrs-98adc4e3-65c4-4ead-b874-e0d2b2e88796' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-98adc4e3-65c4-4ead-b874-e0d2b2e88796' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-aadc6158-107c-4074-9a53-6b3e61adf357' class='xr-var-data-in' type='checkbox'><label for='data-aadc6158-107c-4074-9a53-6b3e61adf357' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>degrees_north</dd><dt><span>standard_name :</span></dt><dd>latitude</dd><dt><span>long_name :</span></dt><dd>latitude</dd></dl></div><div class='xr-var-data'><table>\n",
        "    <tr>\n",
        "        <td>\n",
        "            <table style=\"border-collapse: collapse;\">\n",
@@ -1574,12 +1446,12 @@
        "  <polygon points=\"0.0,0.0 120.0,0.0 120.0,39.17227773220867 0.0,39.17227773220867\" style=\"fill:#ECB172A0;stroke-width:0\"/>\n",
        "\n",
        "  <!-- Text -->\n",
-       "  <text x=\"60.000000\" y=\"59.172278\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" >9</text>\n",
-       "  <text x=\"140.000000\" y=\"19.586139\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" transform=\"rotate(0,140.000000,19.586139)\">1</text>\n",
+       "  <text x=\"60.0\" y=\"59.17227773220867\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" >9</text>\n",
+       "  <text x=\"140.0\" y=\"19.586138866104335\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" transform=\"rotate(0,140.0,19.586138866104335)\">1</text>\n",
        "</svg>\n",
        "        </td>\n",
        "    </tr>\n",
-       "</table></div></li><li class='xr-var-item'><div class='xr-var-name'><span>longitude</span></div><div class='xr-var-dims'>(values)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>dask.array&lt;chunksize=(9,), meta=np.ndarray&gt;</div><input id='attrs-6d53c10f-6f93-4e29-9653-116af9ff3cfc' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-6d53c10f-6f93-4e29-9653-116af9ff3cfc' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-49ecc1f2-e3ad-482a-9b0c-381bcaa81398' class='xr-var-data-in' type='checkbox'><label for='data-49ecc1f2-e3ad-482a-9b0c-381bcaa81398' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>degrees_east</dd><dt><span>standard_name :</span></dt><dd>longitude</dd><dt><span>long_name :</span></dt><dd>longitude</dd></dl></div><div class='xr-var-data'><table>\n",
+       "</table></div></li><li class='xr-var-item'><div class='xr-var-name'><span>longitude</span></div><div class='xr-var-dims'>(values)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>dask.array&lt;chunksize=(9,), meta=np.ndarray&gt;</div><input id='attrs-914d978c-0efd-4d87-801d-6c6e6f8a30ef' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-914d978c-0efd-4d87-801d-6c6e6f8a30ef' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-7e140122-1780-49bd-a8f4-6aafc2ad6370' class='xr-var-data-in' type='checkbox'><label for='data-7e140122-1780-49bd-a8f4-6aafc2ad6370' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>degrees_east</dd><dt><span>standard_name :</span></dt><dd>longitude</dd><dt><span>long_name :</span></dt><dd>longitude</dd></dl></div><div class='xr-var-data'><table>\n",
        "    <tr>\n",
        "        <td>\n",
        "            <table style=\"border-collapse: collapse;\">\n",
@@ -1629,12 +1501,12 @@
        "  <polygon points=\"0.0,0.0 120.0,0.0 120.0,39.17227773220867 0.0,39.17227773220867\" style=\"fill:#ECB172A0;stroke-width:0\"/>\n",
        "\n",
        "  <!-- Text -->\n",
-       "  <text x=\"60.000000\" y=\"59.172278\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" >9</text>\n",
-       "  <text x=\"140.000000\" y=\"19.586139\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" transform=\"rotate(0,140.000000,19.586139)\">1</text>\n",
+       "  <text x=\"60.0\" y=\"59.17227773220867\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" >9</text>\n",
+       "  <text x=\"140.0\" y=\"19.586138866104335\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" transform=\"rotate(0,140.0,19.586138866104335)\">1</text>\n",
        "</svg>\n",
        "        </td>\n",
        "    </tr>\n",
-       "</table></div></li></ul></div></li><li class='xr-section-item'><input id='section-2a6e9f4a-69dc-4618-8843-97ef0bc9f5a7' class='xr-section-summary-in' type='checkbox' checked /><label for='section-2a6e9f4a-69dc-4618-8843-97ef0bc9f5a7' class='xr-section-summary' title='Expand/collapse section'>Attributes: <span>(4)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><dl class='xr-attrs'><dt><span>standard_name :</span></dt><dd>unknown</dd><dt><span>long_name :</span></dt><dd>2 metre dewpoint temperature</dd><dt><span>units :</span></dt><dd>kelvin</dd><dt><span>level_type :</span></dt><dd>height_above_ground_level</dd></dl></div></li></ul></div></div>"
+       "</table></div></li></ul></div></li><li class='xr-section-item'><input id='section-0ee5c997-b738-4d64-85cc-e629a5eb5bb6' class='xr-section-summary-in' type='checkbox'  checked><label for='section-0ee5c997-b738-4d64-85cc-e629a5eb5bb6' class='xr-section-summary' >Attributes: <span>(5)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><dl class='xr-attrs'><dt><span>standard_name :</span></dt><dd>unknown</dd><dt><span>long_name :</span></dt><dd>2 metre dewpoint temperature</dd><dt><span>units :</span></dt><dd>kelvin</dd><dt><span>level_type :</span></dt><dd>height_above_ground_level</dd><dt><span>ek_grid_spec :</span></dt><dd>{&quot;area&quot;: [60, 0, 30, 30], &quot;grid&quot;: [15, 15]}</dd></dl></div></li></ul></div></div>"
       ],
       "text/plain": [
        "<xarray.DataArray 'data' (valid_datetime: 732, variable: 2, values: 9)> Size: 105kB\n",
@@ -1649,7 +1521,8 @@
        "    standard_name:  unknown\n",
        "    long_name:      2 metre dewpoint temperature\n",
        "    units:          kelvin\n",
-       "    level_type:     height_above_ground_level"
+       "    level_type:     height_above_ground_level\n",
+       "    ek_grid_spec:   {\"area\": [60, 0, 30, 30], \"grid\": [15, 15]}"
       ]
      },
      "execution_count": 3,
@@ -1680,7 +1553,7 @@
    "id": "7db65a70-e815-4e81-835e-2a705251355d",
    "metadata": {},
    "source": [
-    "We add the ensemble member as an additional dimension to the generated Xarray. Because the input is not ensemble data the value of the \"number\" GRIB key can be missing. So we need to provide a meaningful default with the ``fill_metadata`` kwarg to be able to build the \"number\" dimension."
+    "We add the ensemble member as an additional dimension to the generated Xarray. Because the input is not ensemble data the value of the ``ensemble.member`` can be None for some/all fields preventing us from forming this dimension. To overcome this problem we provide a meaningful default with the ``fill_metadata`` kwarg."
    ]
   },
   {
@@ -1689,14 +1562,6 @@
    "id": "6f2a78d3-3ace-49e7-a99e-49154bd17620",
    "metadata": {},
    "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "GribToSpec: inconsistent increment: 'iDirectionIncrementInDegrees'=15.000000 ~= -165.000000 (calculated from 'longitudeOfFirstGridPointInDegrees'=360.000000, 'longitudeOfLastGridPointInDegrees'=30.000000, 'Ni'=3, 'iScansPositively'=1)\n",
-      "GribToSpec: inconsistent increment: 'iDirectionIncrementInDegrees'=15.000000 ~= -165.000000 (calculated from 'longitudeOfFirstGridPointInDegrees'=360.000000, 'longitudeOfLastGridPointInDegrees'=30.000000, 'Ni'=3, 'iScansPositively'=1)\n"
-     ]
-    },
     {
      "data": {
       "text/html": [
@@ -1795,7 +1660,6 @@
        "  min-width: 300px;\n",
        "  max-width: 700px;\n",
        "  line-height: 1.6;\n",
-       "  padding-bottom: 4px;\n",
        "}\n",
        "\n",
        ".xr-text-repr-fallback {\n",
@@ -1806,11 +1670,8 @@
        ".xr-header {\n",
        "  padding-top: 6px;\n",
        "  padding-bottom: 6px;\n",
-       "}\n",
-       "\n",
-       ".xr-header {\n",
-       "  border-bottom: solid 1px var(--xr-border-color);\n",
        "  margin-bottom: 4px;\n",
+       "  border-bottom: solid 1px var(--xr-border-color);\n",
        "}\n",
        "\n",
        ".xr-header > div,\n",
@@ -1821,15 +1682,20 @@
        "}\n",
        "\n",
        ".xr-obj-type,\n",
-       ".xr-obj-name {\n",
+       ".xr-obj-name,\n",
+       ".xr-group-name {\n",
        "  margin-left: 2px;\n",
        "  margin-right: 10px;\n",
        "}\n",
        "\n",
-       ".xr-obj-type,\n",
-       ".xr-group-box-contents > label {\n",
+       ".xr-group-name::before {\n",
+       "  content: \"📁\";\n",
+       "  padding-right: 0.3em;\n",
+       "}\n",
+       "\n",
+       ".xr-group-name,\n",
+       ".xr-obj-type {\n",
        "  color: var(--xr-font-color2);\n",
-       "  display: block;\n",
        "}\n",
        "\n",
        ".xr-sections {\n",
@@ -1844,39 +1710,28 @@
        "  display: contents;\n",
        "}\n",
        "\n",
-       ".xr-section-item > input,\n",
-       ".xr-group-box-contents > input,\n",
-       ".xr-array-wrap > input {\n",
-       "  display: block;\n",
+       ".xr-section-item input {\n",
+       "  display: inline-block;\n",
        "  opacity: 0;\n",
        "  height: 0;\n",
        "  margin: 0;\n",
        "}\n",
        "\n",
-       ".xr-section-item > input + label,\n",
-       ".xr-var-item > input + label {\n",
+       ".xr-section-item input + label {\n",
        "  color: var(--xr-disabled-color);\n",
+       "  border: 2px solid transparent !important;\n",
        "}\n",
        "\n",
-       ".xr-section-item > input:enabled + label,\n",
-       ".xr-var-item > input:enabled + label,\n",
-       ".xr-array-wrap > input:enabled + label,\n",
-       ".xr-group-box-contents > input:enabled + label {\n",
+       ".xr-section-item input:enabled + label {\n",
        "  cursor: pointer;\n",
        "  color: var(--xr-font-color2);\n",
        "}\n",
        "\n",
-       ".xr-section-item > input:focus-visible + label,\n",
-       ".xr-var-item > input:focus-visible + label,\n",
-       ".xr-array-wrap > input:focus-visible + label,\n",
-       ".xr-group-box-contents > input:focus-visible + label {\n",
-       "  outline: auto;\n",
+       ".xr-section-item input:focus + label {\n",
+       "  border: 2px solid var(--xr-font-color0) !important;\n",
        "}\n",
        "\n",
-       ".xr-section-item > input:enabled + label:hover,\n",
-       ".xr-var-item > input:enabled + label:hover,\n",
-       ".xr-array-wrap > input:enabled + label:hover,\n",
-       ".xr-group-box-contents > input:enabled + label:hover {\n",
+       ".xr-section-item input:enabled + label:hover {\n",
        "  color: var(--xr-font-color0);\n",
        "}\n",
        "\n",
@@ -1884,25 +1739,11 @@
        "  grid-column: 1;\n",
        "  color: var(--xr-font-color2);\n",
        "  font-weight: 500;\n",
-       "  white-space: nowrap;\n",
-       "}\n",
-       "\n",
-       ".xr-section-summary > em {\n",
-       "  font-weight: normal;\n",
-       "}\n",
-       "\n",
-       ".xr-span-grid {\n",
-       "  grid-column-end: -1;\n",
        "}\n",
        "\n",
        ".xr-section-summary > span {\n",
        "  display: inline-block;\n",
-       "  padding-left: 0.3em;\n",
-       "}\n",
-       "\n",
-       ".xr-group-box-contents > input:checked + label > span {\n",
-       "  display: inline-block;\n",
-       "  padding-left: 0.6em;\n",
+       "  padding-left: 0.5em;\n",
        "}\n",
        "\n",
        ".xr-section-summary-in:disabled + label {\n",
@@ -1930,8 +1771,7 @@
        "}\n",
        "\n",
        ".xr-section-summary,\n",
-       ".xr-section-inline-details,\n",
-       ".xr-group-box-contents > label {\n",
+       ".xr-section-inline-details {\n",
        "  padding-top: 4px;\n",
        "}\n",
        "\n",
@@ -1940,29 +1780,20 @@
        "}\n",
        "\n",
        ".xr-section-details {\n",
+       "  display: none;\n",
        "  grid-column: 1 / -1;\n",
        "  margin-top: 4px;\n",
        "  margin-bottom: 5px;\n",
        "}\n",
        "\n",
-       ".xr-section-summary-in ~ .xr-section-details {\n",
-       "  display: none;\n",
-       "}\n",
-       "\n",
        ".xr-section-summary-in:checked ~ .xr-section-details {\n",
        "  display: contents;\n",
        "}\n",
        "\n",
-       ".xr-children {\n",
-       "  display: inline-grid;\n",
-       "  grid-template-columns: 100%;\n",
-       "  grid-column: 1 / -1;\n",
-       "  padding-top: 4px;\n",
-       "}\n",
-       "\n",
        ".xr-group-box {\n",
        "  display: inline-grid;\n",
-       "  grid-template-columns: 0px 30px auto;\n",
+       "  grid-template-columns: 0px 20px auto;\n",
+       "  width: 100%;\n",
        "}\n",
        "\n",
        ".xr-group-box-vline {\n",
@@ -1976,43 +1807,13 @@
        "  grid-column-start: 2;\n",
        "  grid-row-start: 1;\n",
        "  height: 1em;\n",
-       "  width: 26px;\n",
+       "  width: 20px;\n",
        "  border-bottom: 0.2em solid;\n",
        "  border-color: var(--xr-border-color);\n",
        "}\n",
        "\n",
        ".xr-group-box-contents {\n",
        "  grid-column-start: 3;\n",
-       "  padding-bottom: 4px;\n",
-       "}\n",
-       "\n",
-       ".xr-group-box-contents > label::before {\n",
-       "  content: \"📂\";\n",
-       "  padding-right: 0.3em;\n",
-       "}\n",
-       "\n",
-       ".xr-group-box-contents > input:checked + label::before {\n",
-       "  content: \"📁\";\n",
-       "}\n",
-       "\n",
-       ".xr-group-box-contents > input:checked + label {\n",
-       "  padding-bottom: 0px;\n",
-       "}\n",
-       "\n",
-       ".xr-group-box-contents > input:checked ~ .xr-sections {\n",
-       "  display: none;\n",
-       "}\n",
-       "\n",
-       ".xr-group-box-contents > input + label > span {\n",
-       "  display: none;\n",
-       "}\n",
-       "\n",
-       ".xr-group-box-ellipsis {\n",
-       "  font-size: 1.4em;\n",
-       "  font-weight: 900;\n",
-       "  color: var(--xr-font-color2);\n",
-       "  letter-spacing: 0.15em;\n",
-       "  cursor: default;\n",
        "}\n",
        "\n",
        ".xr-array-wrap {\n",
@@ -2243,22 +2044,22 @@
        "  stroke-width: 0.8px;\n",
        "}\n",
        "</style><pre class='xr-text-repr-fallback'>&lt;xarray.Dataset&gt; Size: 111kB\n",
-       "Dimensions:         (valid_datetime: 732, variable: 2, number: 1, values: 9)\n",
+       "Dimensions:         (valid_datetime: 732, variable: 2, member: 1, values: 9)\n",
        "Coordinates:\n",
        "  * valid_datetime  (valid_datetime) datetime64[ns] 6kB 2020-01-01 ... 2020-1...\n",
        "  * variable        (variable) &lt;U2 16B &#x27;2d&#x27; &#x27;2t&#x27;\n",
-       "  * number          (number) int64 8B 0\n",
+       "  * member          (member) &lt;U1 4B &#x27;0&#x27;\n",
        "    latitude        (values) float64 72B dask.array&lt;chunksize=(9,), meta=np.ndarray&gt;\n",
        "    longitude       (values) float64 72B dask.array&lt;chunksize=(9,), meta=np.ndarray&gt;\n",
        "Dimensions without coordinates: values\n",
        "Data variables:\n",
-       "    data            (valid_datetime, variable, number, values) float64 105kB dask.array&lt;chunksize=(732, 2, 1, 9), meta=np.ndarray&gt;\n",
+       "    data            (valid_datetime, variable, member, values) float64 105kB dask.array&lt;chunksize=(732, 2, 1, 9), meta=np.ndarray&gt;\n",
        "Attributes:\n",
        "    Conventions:  CF-1.8\n",
-       "    institution:  ECMWF</pre><div class='xr-wrap' style='display:none'><div class='xr-header'><div class='xr-obj-type'>xarray.Dataset</div></div><ul class='xr-sections'><li class='xr-section-item'><input id='section-96673b79-41d9-47c9-a680-14872e0a1d04' class='xr-section-summary-in' type='checkbox' disabled /><label for='section-96673b79-41d9-47c9-a680-14872e0a1d04' class='xr-section-summary'>Dimensions:</label><div class='xr-section-inline-details'><ul class='xr-dim-list'><li><span class='xr-has-index'>valid_datetime</span>: 732</li><li><span class='xr-has-index'>variable</span>: 2</li><li><span class='xr-has-index'>number</span>: 1</li><li><span>values</span>: 9</li></ul></div></li><li class='xr-section-item'><input id='section-21cb0439-cfa0-4ded-9cc2-e7c6664d0a2c' class='xr-section-summary-in' type='checkbox' checked /><label for='section-21cb0439-cfa0-4ded-9cc2-e7c6664d0a2c' class='xr-section-summary' title='Expand/collapse section'>Coordinates: <span>(5)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>valid_datetime</span></div><div class='xr-var-dims'>(valid_datetime)</div><div class='xr-var-dtype'>datetime64[ns]</div><div class='xr-var-preview xr-preview'>2020-01-01 ... 2020-12-31T12:00:00</div><input id='attrs-210ddcbe-e643-48b4-92ea-5ffefe09c58f' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-210ddcbe-e643-48b4-92ea-5ffefe09c58f' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-ffd3fe3b-9298-43a3-be6a-738eb9f1a0fa' class='xr-var-data-in' type='checkbox'><label for='data-ffd3fe3b-9298-43a3-be6a-738eb9f1a0fa' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array([&#x27;2020-01-01T00:00:00.000000000&#x27;, &#x27;2020-01-01T12:00:00.000000000&#x27;,\n",
+       "    institution:  ECMWF</pre><div class='xr-wrap' style='display:none'><div class='xr-header'><div class='xr-obj-type'>xarray.Dataset</div></div><ul class='xr-sections'><li class='xr-section-item'><input id='section-8cef849e-5da5-4613-97f7-2d3617707a6a' class='xr-section-summary-in' type='checkbox' disabled ><label for='section-8cef849e-5da5-4613-97f7-2d3617707a6a' class='xr-section-summary'  title='Expand/collapse section'>Dimensions:</label><div class='xr-section-inline-details'><ul class='xr-dim-list'><li><span class='xr-has-index'>valid_datetime</span>: 732</li><li><span class='xr-has-index'>variable</span>: 2</li><li><span class='xr-has-index'>member</span>: 1</li><li><span>values</span>: 9</li></ul></div><div class='xr-section-details'></div></li><li class='xr-section-item'><input id='section-94bfea3e-c300-4e3e-8752-ea9cc4547bc4' class='xr-section-summary-in' type='checkbox'  checked><label for='section-94bfea3e-c300-4e3e-8752-ea9cc4547bc4' class='xr-section-summary' >Coordinates: <span>(5)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>valid_datetime</span></div><div class='xr-var-dims'>(valid_datetime)</div><div class='xr-var-dtype'>datetime64[ns]</div><div class='xr-var-preview xr-preview'>2020-01-01 ... 2020-12-31T12:00:00</div><input id='attrs-b2252030-215b-4e11-9b12-5b9c1d5a1bb8' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-b2252030-215b-4e11-9b12-5b9c1d5a1bb8' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-946759d3-3efb-460d-ba6d-3933d759bb6d' class='xr-var-data-in' type='checkbox'><label for='data-946759d3-3efb-460d-ba6d-3933d759bb6d' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array([&#x27;2020-01-01T00:00:00.000000000&#x27;, &#x27;2020-01-01T12:00:00.000000000&#x27;,\n",
        "       &#x27;2020-01-02T00:00:00.000000000&#x27;, ..., &#x27;2020-12-30T12:00:00.000000000&#x27;,\n",
        "       &#x27;2020-12-31T00:00:00.000000000&#x27;, &#x27;2020-12-31T12:00:00.000000000&#x27;],\n",
-       "      shape=(732,), dtype=&#x27;datetime64[ns]&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>variable</span></div><div class='xr-var-dims'>(variable)</div><div class='xr-var-dtype'>&lt;U2</div><div class='xr-var-preview xr-preview'>&#x27;2d&#x27; &#x27;2t&#x27;</div><input id='attrs-12fddab0-cc0f-4016-8445-d035c5bc6d59' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-12fddab0-cc0f-4016-8445-d035c5bc6d59' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-53e991a8-15a0-4679-acc7-e66dd5e9cf12' class='xr-var-data-in' type='checkbox'><label for='data-53e991a8-15a0-4679-acc7-e66dd5e9cf12' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array([&#x27;2d&#x27;, &#x27;2t&#x27;], dtype=&#x27;&lt;U2&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>number</span></div><div class='xr-var-dims'>(number)</div><div class='xr-var-dtype'>int64</div><div class='xr-var-preview xr-preview'>0</div><input id='attrs-c1962661-387f-46e7-a864-d140b5bf32a6' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-c1962661-387f-46e7-a864-d140b5bf32a6' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-ac843f82-cb31-437b-b76a-c1af15868159' class='xr-var-data-in' type='checkbox'><label for='data-ac843f82-cb31-437b-b76a-c1af15868159' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array([0])</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>latitude</span></div><div class='xr-var-dims'>(values)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>dask.array&lt;chunksize=(9,), meta=np.ndarray&gt;</div><input id='attrs-2fc94f58-eb73-455c-bfb8-08ece57c2e74' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-2fc94f58-eb73-455c-bfb8-08ece57c2e74' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-eeecb3f2-8303-41b3-9aa4-f78e2b5a116b' class='xr-var-data-in' type='checkbox'><label for='data-eeecb3f2-8303-41b3-9aa4-f78e2b5a116b' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>degrees_north</dd><dt><span>standard_name :</span></dt><dd>latitude</dd><dt><span>long_name :</span></dt><dd>latitude</dd></dl></div><div class='xr-var-data'><table>\n",
+       "      shape=(732,), dtype=&#x27;datetime64[ns]&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>variable</span></div><div class='xr-var-dims'>(variable)</div><div class='xr-var-dtype'>&lt;U2</div><div class='xr-var-preview xr-preview'>&#x27;2d&#x27; &#x27;2t&#x27;</div><input id='attrs-948c2281-0ba4-4c10-9b4a-e7e118ab56a4' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-948c2281-0ba4-4c10-9b4a-e7e118ab56a4' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-9266a0a0-4d02-4a62-94ee-91a13ac527a7' class='xr-var-data-in' type='checkbox'><label for='data-9266a0a0-4d02-4a62-94ee-91a13ac527a7' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array([&#x27;2d&#x27;, &#x27;2t&#x27;], dtype=&#x27;&lt;U2&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>member</span></div><div class='xr-var-dims'>(member)</div><div class='xr-var-dtype'>&lt;U1</div><div class='xr-var-preview xr-preview'>&#x27;0&#x27;</div><input id='attrs-c70f2c5b-b8fc-46ac-9bcb-ecaa185a2fd9' class='xr-var-attrs-in' type='checkbox' disabled><label for='attrs-c70f2c5b-b8fc-46ac-9bcb-ecaa185a2fd9' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-e2651c30-df95-4505-9726-f013088e475c' class='xr-var-data-in' type='checkbox'><label for='data-e2651c30-df95-4505-9726-f013088e475c' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'></dl></div><div class='xr-var-data'><pre>array([&#x27;0&#x27;], dtype=&#x27;&lt;U1&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>latitude</span></div><div class='xr-var-dims'>(values)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>dask.array&lt;chunksize=(9,), meta=np.ndarray&gt;</div><input id='attrs-7123bb24-f6b2-4910-a1be-7150b77bc74f' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-7123bb24-f6b2-4910-a1be-7150b77bc74f' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-af734b4a-b7e6-47cc-83be-1884dd2b0a70' class='xr-var-data-in' type='checkbox'><label for='data-af734b4a-b7e6-47cc-83be-1884dd2b0a70' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>degrees_north</dd><dt><span>standard_name :</span></dt><dd>latitude</dd><dt><span>long_name :</span></dt><dd>latitude</dd></dl></div><div class='xr-var-data'><table>\n",
        "    <tr>\n",
        "        <td>\n",
        "            <table style=\"border-collapse: collapse;\">\n",
@@ -2308,12 +2109,12 @@
        "  <polygon points=\"0.0,0.0 120.0,0.0 120.0,39.17227773220867 0.0,39.17227773220867\" style=\"fill:#ECB172A0;stroke-width:0\"/>\n",
        "\n",
        "  <!-- Text -->\n",
-       "  <text x=\"60.000000\" y=\"59.172278\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" >9</text>\n",
-       "  <text x=\"140.000000\" y=\"19.586139\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" transform=\"rotate(0,140.000000,19.586139)\">1</text>\n",
+       "  <text x=\"60.0\" y=\"59.17227773220867\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" >9</text>\n",
+       "  <text x=\"140.0\" y=\"19.586138866104335\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" transform=\"rotate(0,140.0,19.586138866104335)\">1</text>\n",
        "</svg>\n",
        "        </td>\n",
        "    </tr>\n",
-       "</table></div></li><li class='xr-var-item'><div class='xr-var-name'><span>longitude</span></div><div class='xr-var-dims'>(values)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>dask.array&lt;chunksize=(9,), meta=np.ndarray&gt;</div><input id='attrs-f5582195-2546-4992-b717-b7b753d9a90f' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-f5582195-2546-4992-b717-b7b753d9a90f' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-1e171bee-e7c7-4519-9288-f198fac7c2ad' class='xr-var-data-in' type='checkbox'><label for='data-1e171bee-e7c7-4519-9288-f198fac7c2ad' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>degrees_east</dd><dt><span>standard_name :</span></dt><dd>longitude</dd><dt><span>long_name :</span></dt><dd>longitude</dd></dl></div><div class='xr-var-data'><table>\n",
+       "</table></div></li><li class='xr-var-item'><div class='xr-var-name'><span>longitude</span></div><div class='xr-var-dims'>(values)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>dask.array&lt;chunksize=(9,), meta=np.ndarray&gt;</div><input id='attrs-edc50a77-df51-4bf5-9461-824ca3b75068' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-edc50a77-df51-4bf5-9461-824ca3b75068' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-a65bfc73-bf12-4a9a-b133-a665bb072d4d' class='xr-var-data-in' type='checkbox'><label for='data-a65bfc73-bf12-4a9a-b133-a665bb072d4d' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>degrees_east</dd><dt><span>standard_name :</span></dt><dd>longitude</dd><dt><span>long_name :</span></dt><dd>longitude</dd></dl></div><div class='xr-var-data'><table>\n",
        "    <tr>\n",
        "        <td>\n",
        "            <table style=\"border-collapse: collapse;\">\n",
@@ -2363,12 +2164,12 @@
        "  <polygon points=\"0.0,0.0 120.0,0.0 120.0,39.17227773220867 0.0,39.17227773220867\" style=\"fill:#ECB172A0;stroke-width:0\"/>\n",
        "\n",
        "  <!-- Text -->\n",
-       "  <text x=\"60.000000\" y=\"59.172278\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" >9</text>\n",
-       "  <text x=\"140.000000\" y=\"19.586139\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" transform=\"rotate(0,140.000000,19.586139)\">1</text>\n",
+       "  <text x=\"60.0\" y=\"59.17227773220867\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" >9</text>\n",
+       "  <text x=\"140.0\" y=\"19.586138866104335\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" transform=\"rotate(0,140.0,19.586138866104335)\">1</text>\n",
        "</svg>\n",
        "        </td>\n",
        "    </tr>\n",
-       "</table></div></li></ul></div></li><li class='xr-section-item'><input id='section-9e546700-a50e-4563-be4e-7e8c0fe3cd80' class='xr-section-summary-in' type='checkbox' checked /><label for='section-9e546700-a50e-4563-be4e-7e8c0fe3cd80' class='xr-section-summary' title='Expand/collapse section'>Data variables: <span>(1)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span>data</span></div><div class='xr-var-dims'>(valid_datetime, variable, number, values)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>dask.array&lt;chunksize=(732, 2, 1, 9), meta=np.ndarray&gt;</div><input id='attrs-1da16163-22aa-4262-a335-c809a5f4b62f' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-1da16163-22aa-4262-a335-c809a5f4b62f' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-3d5614a2-585c-4ce8-9e46-60a4ab97911f' class='xr-var-data-in' type='checkbox'><label for='data-3d5614a2-585c-4ce8-9e46-60a4ab97911f' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>standard_name :</span></dt><dd>unknown</dd><dt><span>long_name :</span></dt><dd>2 metre dewpoint temperature</dd><dt><span>units :</span></dt><dd>kelvin</dd><dt><span>level_type :</span></dt><dd>height_above_ground_level</dd></dl></div><div class='xr-var-data'><table>\n",
+       "</table></div></li></ul></div></li><li class='xr-section-item'><input id='section-a660ab56-2dd2-4154-b26a-3e79cfc6a26a' class='xr-section-summary-in' type='checkbox'  checked><label for='section-a660ab56-2dd2-4154-b26a-3e79cfc6a26a' class='xr-section-summary' >Data variables: <span>(1)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span>data</span></div><div class='xr-var-dims'>(valid_datetime, variable, member, values)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>dask.array&lt;chunksize=(732, 2, 1, 9), meta=np.ndarray&gt;</div><input id='attrs-892d89b5-c843-409c-8f96-1fa1396bf017' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-892d89b5-c843-409c-8f96-1fa1396bf017' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-ab5b4df5-74a0-41be-800b-9aeb70b1a381' class='xr-var-data-in' type='checkbox'><label for='data-ab5b4df5-74a0-41be-800b-9aeb70b1a381' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>standard_name :</span></dt><dd>unknown</dd><dt><span>long_name :</span></dt><dd>2 metre dewpoint temperature</dd><dt><span>units :</span></dt><dd>kelvin</dd><dt><span>level_type :</span></dt><dd>height_above_ground_level</dd><dt><span>ek_grid_spec :</span></dt><dd>{&quot;area&quot;: [60, 0, 30, 30], &quot;grid&quot;: [15, 15]}</dd></dl></div><div class='xr-var-data'><table>\n",
        "    <tr>\n",
        "        <td>\n",
        "            <table style=\"border-collapse: collapse;\">\n",
@@ -2418,8 +2219,8 @@
        "  <polygon points=\"0.0,0.0 120.0,0.0 120.0,25.412616514582485 0.0,25.412616514582485\" style=\"fill:#ECB172A0;stroke-width:0\"/>\n",
        "\n",
        "  <!-- Text -->\n",
-       "  <text x=\"60.000000\" y=\"45.412617\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" >732</text>\n",
-       "  <text x=\"140.000000\" y=\"12.706308\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" transform=\"rotate(0,140.000000,12.706308)\">1</text>\n",
+       "  <text x=\"60.0\" y=\"45.41261651458248\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" >732</text>\n",
+       "  <text x=\"140.0\" y=\"12.706308257291242\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" transform=\"rotate(0,140.0,12.706308257291242)\">1</text>\n",
        "\n",
        "\n",
        "  <!-- Horizontal lines -->\n",
@@ -2456,26 +2257,26 @@
        "  <polygon points=\"204.9485979497544,14.948597949754403 231.37767385323392,14.948597949754403 231.37767385323392,40.36121446433689 204.9485979497544,40.36121446433689\" style=\"fill:#ECB172A0;stroke-width:0\"/>\n",
        "\n",
        "  <!-- Text -->\n",
-       "  <text x=\"218.163136\" y=\"60.361214\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" >9</text>\n",
-       "  <text x=\"251.377674\" y=\"27.654906\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" transform=\"rotate(0,251.377674,27.654906)\">1</text>\n",
-       "  <text x=\"187.474299\" y=\"52.886915\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" transform=\"rotate(45,187.474299,52.886915)\">2</text>\n",
+       "  <text x=\"218.16313590149417\" y=\"60.36121446433689\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" >9</text>\n",
+       "  <text x=\"251.37767385323392\" y=\"27.654906207045645\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" transform=\"rotate(0,251.37767385323392,27.654906207045645)\">1</text>\n",
+       "  <text x=\"187.4742989748772\" y=\"52.88691548945969\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" transform=\"rotate(45,187.4742989748772,52.88691548945969)\">2</text>\n",
        "</svg>\n",
        "        </td>\n",
        "    </tr>\n",
-       "</table></div></li></ul></div></li><li class='xr-section-item'><input id='section-7ea8197c-c648-46a2-b1f9-6932151dc96b' class='xr-section-summary-in' type='checkbox' checked /><label for='section-7ea8197c-c648-46a2-b1f9-6932151dc96b' class='xr-section-summary' title='Expand/collapse section'>Attributes: <span>(2)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><dl class='xr-attrs'><dt><span>Conventions :</span></dt><dd>CF-1.8</dd><dt><span>institution :</span></dt><dd>ECMWF</dd></dl></div></li></ul></div></div>"
+       "</table></div></li></ul></div></li><li class='xr-section-item'><input id='section-b6a9321f-c1a7-4db1-b57a-4e95f186b12f' class='xr-section-summary-in' type='checkbox'  checked><label for='section-b6a9321f-c1a7-4db1-b57a-4e95f186b12f' class='xr-section-summary' >Attributes: <span>(2)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><dl class='xr-attrs'><dt><span>Conventions :</span></dt><dd>CF-1.8</dd><dt><span>institution :</span></dt><dd>ECMWF</dd></dl></div></li></ul></div></div>"
       ],
       "text/plain": [
        "<xarray.Dataset> Size: 111kB\n",
-       "Dimensions:         (valid_datetime: 732, variable: 2, number: 1, values: 9)\n",
+       "Dimensions:         (valid_datetime: 732, variable: 2, member: 1, values: 9)\n",
        "Coordinates:\n",
        "  * valid_datetime  (valid_datetime) datetime64[ns] 6kB 2020-01-01 ... 2020-1...\n",
        "  * variable        (variable) <U2 16B '2d' '2t'\n",
-       "  * number          (number) int64 8B 0\n",
+       "  * member          (member) <U1 4B '0'\n",
        "    latitude        (values) float64 72B dask.array<chunksize=(9,), meta=np.ndarray>\n",
        "    longitude       (values) float64 72B dask.array<chunksize=(9,), meta=np.ndarray>\n",
        "Dimensions without coordinates: values\n",
        "Data variables:\n",
-       "    data            (valid_datetime, variable, number, values) float64 105kB dask.array<chunksize=(732, 2, 1, 9), meta=np.ndarray>\n",
+       "    data            (valid_datetime, variable, member, values) float64 105kB dask.array<chunksize=(732, 2, 1, 9), meta=np.ndarray>\n",
        "Attributes:\n",
        "    Conventions:  CF-1.8\n",
        "    institution:  ECMWF"
@@ -2488,12 +2289,12 @@
    ],
    "source": [
     "ds = ds_fl.to_xarray(\n",
-    "    fixed_dims=[\"time.valid_datetime\", \"parameter.variable\", \"metadata.number\"],\n",
+    "    fixed_dims=[\"time.valid_datetime\", \"parameter.variable\", \"ensemble.member\"],\n",
     "    mono_variable=True,\n",
     "    chunks={\"valid_time\": 1},\n",
     "    flatten_values=True,\n",
     "    add_earthkit_attrs=False,\n",
-    "    fill_metadata={\"metadata.number\": 0},\n",
+    "    fill_metadata={\"ensemble.member\": \"0\"},\n",
     ")\n",
     "ds"
    ]
diff --git a/src/earthkit/data/field/component/ensemble.py b/src/earthkit/data/field/component/ensemble.py
index f42854ad..885dc8ea 100644
--- a/src/earthkit/data/field/component/ensemble.py
+++ b/src/earthkit/data/field/component/ensemble.py
@@ -144,13 +144,12 @@ class Ensemble(EnsembleBase):
     ----------
     member : str, int, optional
         The ensemble member, by default None. Internally stored as a string,
-        so if an integer is provided, it will be converted to a string.
-        None is treated as "0".
+        valid non-string values will be converted to a string.
     """
 
     def __init__(self, member=None) -> None:
         if member is None:
-            self._member = "0"
+            self._member = None
         elif isinstance(member, int):
             self._member = str(member)
         else:
diff --git a/src/earthkit/data/field/grib/ensemble.py b/src/earthkit/data/field/grib/ensemble.py
index c913949d..dc082ef8 100644
--- a/src/earthkit/data/field/grib/ensemble.py
+++ b/src/earthkit/data/field/grib/ensemble.py
@@ -29,8 +29,10 @@ def _get(key, default=None):
             return handle.get(key, default=default)
 
         v = _get("number")
+        print("number", v)
         if v is None:
             v = _get("perturbationNumber")
+            print
 
         return dict(
             member=v,
diff --git a/src/earthkit/data/sources/__init__.py b/src/earthkit/data/sources/__init__.py
index 4a42dbdb..328d452b 100644
--- a/src/earthkit/data/sources/__init__.py
+++ b/src/earthkit/data/sources/__init__.py
@@ -16,7 +16,6 @@
 from earthkit.data.core.caching import cache_file
 from earthkit.data.core.plugins import find_plugin
 from earthkit.data.core.plugins import register as register_plugin
-from earthkit.data.data.source import DefaultSourceData
 
 
 class Source(Loader):
@@ -64,6 +63,8 @@ def graph(self, depth=0):
 
     def to_data_object(self):
         """Convert this source into a data object, if possible."""
+        from earthkit.data.data.source import DefaultSourceData
+
         return DefaultSourceData(self)
 
 
diff --git a/tests/data/ens_none.grib b/tests/data/ens_none.grib
new file mode 100644
index 00000000..680b6073
Binary files /dev/null and b/tests/data/ens_none.grib differ
diff --git a/tests/field/test_ensemble_component.py b/tests/field/test_ensemble_component.py
index 7c90b98e..b453e4f2 100644
--- a/tests/field/test_ensemble_component.py
+++ b/tests/field/test_ensemble_component.py
@@ -21,6 +21,13 @@ def test_ensemble_component_alias_1():
     assert r.realization() == "1"
 
 
+def test_ensemble_component_alias_2():
+    r = Ensemble(member=None)
+    assert r.member() is None
+    assert r.realisation() is None
+    assert r.realization() is None
+
+
 @pytest.mark.parametrize(
     "input_d,ref",
     [
@@ -35,6 +42,14 @@ def test_ensemble_component_alias_1():
             ],
             ("5",),
         ),
+        (
+            [
+                {"member": None},
+                {"realisation": None},
+                {"realization": None},
+            ],
+            (None,),
+        ),
     ],
 )
 def test_ensemble_component_from_dict_ok(input_d, ref):
diff --git a/tests/grib/test_grib_ensemble.py b/tests/grib/test_grib_ensemble.py
index 54d8b4c7..3b2ff5f8 100644
--- a/tests/grib/test_grib_ensemble.py
+++ b/tests/grib/test_grib_ensemble.py
@@ -12,13 +12,11 @@
 
 import pytest
 from grib_fixtures import (
-    FL_TYPES,  # noqa: E402
     load_grib_data,  # noqa: E402
 )
 
 
-@pytest.mark.parametrize("fl_type", FL_TYPES)
-# @pytest.mark.parametrize("fl_type", ["file"])
+@pytest.mark.parametrize("fl_type", ["file"])
 def test_grib_ensemble_1(fl_type):
     ds, _ = load_grib_data("ens_50.grib", fl_type, folder="data")
     f = ds[0]
@@ -26,3 +24,23 @@ def test_grib_ensemble_1(fl_type):
     assert f.ensemble.member() == "1"
     assert f.ensemble.realization() == "1"
     assert f.ensemble.realisation() == "1"
+
+
+@pytest.mark.parametrize("fl_type", ["file"])
+def test_grib_ensemble_2(fl_type):
+    ds, _ = load_grib_data("test.grib", fl_type)
+    f = ds[0]
+
+    assert f.ensemble.member() == "0"
+    assert f.ensemble.realization() == "0"
+    assert f.ensemble.realisation() == "0"
+
+
+@pytest.mark.parametrize("fl_type", ["file"])
+def test_grib_ensemble_3(fl_type):
+    ds, _ = load_grib_data("ens_none.grib", fl_type, folder="data")
+    f = ds[0]
+
+    assert f.ensemble.member() is None
+    assert f.ensemble.realization() is None
+    assert f.ensemble.realisation() is None