From c0229d22e6253d359f2a395b5852ba85b2ee9f21 Mon Sep 17 00:00:00 2001
From: "guoqing.ge" <Guoqing.Ge@noaa.gov>
Date: Fri, 24 Apr 2026 14:45:30 -0600
Subject: [PATCH] add a new option 'config_da_update_2mTQ' into
 namelist.atmosphere

---
 src/core_atmosphere/Registry.xml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/core_atmosphere/Registry.xml b/src/core_atmosphere/Registry.xml
index c53cfcc239..632785d85d 100644
--- a/src/core_atmosphere/Registry.xml
+++ b/src/core_atmosphere/Registry.xml
@@ -404,6 +404,10 @@
                      units="-"
                      description="Whether this run is within the JEDI data assimilation framework; used to add temperature and specific humidity as diagnostics"
                      possible_values=".true. or .false."/>
+                <nml_option name="config_da_update_2mTQ" type="logical" default_value="false"
+                     units="-"
+                     description="Whether to update 2mT and 2mQ between JEDI DA outer loops, set to .true. if using 2mT and 2mQ to compute OMB"
+                     possible_values=".true. or .false."/>
         </nml_record>
 
         <nml_record name="development" in_defaults="false">