From ee6ba49c1dc081cdbae1b9fa3702a554b32e3cce Mon Sep 17 00:00:00 2001
From: "russ.treadon" <Russ.Treadon@noaa.gov>
Date: Wed, 28 Jan 2026 16:23:14 +0000
Subject: [PATCH 1/3] remove CASE_GSIBEC from gfs/config.atmanl.j2 (#4483)

---
 dev/parm/config/gfs/config.atmanl.j2 | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/dev/parm/config/gfs/config.atmanl.j2 b/dev/parm/config/gfs/config.atmanl.j2
index fd396fe7538..f7a6511d4e7 100644
--- a/dev/parm/config/gfs/config.atmanl.j2
+++ b/dev/parm/config/gfs/config.atmanl.j2
@@ -18,12 +18,6 @@ export TASK_CONFIG_YAML="${PARMgfs}/gdas/atm/atm_det_config.yaml.j2"
 
 export LOCALIZATION_TYPE="bump"
 
-export CASE_GSIBEC=${CASE_ANL}
-if [[ "${DOHYBVAR}" = "YES" && "${ATMINC_GRID}" = "gaussian" ]]; then
-    export CASE_GSIBEC=${CASE_HIST}
-    export CASE_HIST=${CASE_ANL}
-fi
-
 export NUMBER_OUTER_LOOPS="{{ NUMBER_OUTER_LOOPS | default() }}"
 export NINNER_LOOP1="{{ NINNER_LOOP1 | default () }}"
 export NINNER_LOOP2="{{ NINNER_LOOP2 | default () }}"

From 5f3a218cb30d0eb724aedc369ebbf0823de754d1 Mon Sep 17 00:00:00 2001
From: "russ.treadon" <Russ.Treadon@noaa.gov>
Date: Wed, 28 Jan 2026 16:25:25 +0000
Subject: [PATCH 2/3] update gdas_gsibec_ver to 20260128 (#4483)

---
 versions/fix.ver | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/versions/fix.ver b/versions/fix.ver
index 9fdcfe8d410..655ac0f6e07 100644
--- a/versions/fix.ver
+++ b/versions/fix.ver
@@ -10,7 +10,7 @@ export datm_ver=20220805
 export gdas_crtm_ver=20220805
 export gdas_fv3jedi_ver=20241115
 export gdas_soca_ver=20250519
-export gdas_gsibec_ver=20250505
+export gdas_gsibec_ver=20260128
 export gdas_obs_ver=20240213
 export gdas_aero_ver=20251223
 export gdas_snow_ver=20241210

From 46e8473e153b6f9d7310070435b46164baabcedc Mon Sep 17 00:00:00 2001
From: RussTreadon-NOAA <Russ.Treadon@noaa.gov>
Date: Thu, 29 Jan 2026 17:30:58 +0000
Subject: [PATCH 3/3] update sorc/gdas.cd hash (#4483)

---
 sorc/gdas.cd | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sorc/gdas.cd b/sorc/gdas.cd
index c30d56cf63d..8fa33c87860 160000
--- a/sorc/gdas.cd
+++ b/sorc/gdas.cd
@@ -1 +1 @@
-Subproject commit c30d56cf63d2e6ca4e0a5d41d886e37b9f957b98
+Subproject commit 8fa33c87860fa2a9913bcc9a8cfd44c28f46e4ec