diff --git a/.github/workflows/hera.yaml b/.github/workflows/hera.yaml
index 3685ea4bd..3b4ef6245 100644
--- a/.github/workflows/hera.yaml
+++ b/.github/workflows/hera.yaml
@@ -5,7 +5,7 @@ on:
 
 jobs:
   test:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     name: Passes on Hera 
 
     steps:
diff --git a/.github/workflows/norms.yaml b/.github/workflows/norms.yaml
index 2e721e7af..36b56d554 100644
--- a/.github/workflows/norms.yaml
+++ b/.github/workflows/norms.yaml
@@ -3,7 +3,7 @@ on: [push]
 
 jobs:
   check_pynorms:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     name: Check coding norms with pycodestyle and cpplint
 
     steps:
diff --git a/.github/workflows/orion.yaml b/.github/workflows/orion.yaml
index f75de79c4..a0b841fe4 100644
--- a/.github/workflows/orion.yaml
+++ b/.github/workflows/orion.yaml
@@ -5,7 +5,7 @@ on:
 
 jobs:
   test:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     name: Passes on Orion
 
     steps:
diff --git a/.github/workflows/unittests.yaml b/.github/workflows/unittests.yaml
index c103aee50..e716b0e89 100644
--- a/.github/workflows/unittests.yaml
+++ b/.github/workflows/unittests.yaml
@@ -3,7 +3,7 @@ on: [push, pull_request]
 
 jobs:
   ctests:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     name: Run Unit Tests with ctest
 
     steps:
diff --git a/.github/workflows/unittests_g-w.yaml b/.github/workflows/unittests_g-w.yaml
index 9abaa046a..2d6dc9602 100644
--- a/.github/workflows/unittests_g-w.yaml
+++ b/.github/workflows/unittests_g-w.yaml
@@ -3,7 +3,7 @@ on: [push, pull_request]
 
 jobs:
   ctests:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     name: Run Unit Tests inside global-workflow with ctest
 
     steps:
diff --git a/parm/atm/jcb-base.yaml.j2 b/parm/atm/jcb-base.yaml.j2
index 6387fffbb..d7e1e5907 100644
--- a/parm/atm/jcb-base.yaml.j2
+++ b/parm/atm/jcb-base.yaml.j2
@@ -71,6 +71,8 @@ observations: all_observations
 crtm_coefficient_path: "{{ DATA }}/crtm/"
 
 # Naming conventions for observational files
+atmosphere_obsdataroot_path: "{{COM_OBS}}"
+
 atmosphere_obsdatain_path: "{{atm_obsdatain_path}}"
 atmosphere_obsdatain_prefix: "{{OPREFIX}}"
 atmosphere_obsdatain_suffix: ".tm00.nc"
@@ -80,6 +82,8 @@ atmosphere_obsdataout_prefix: diag_
 atmosphere_obsdataout_suffix: "_{{ current_cycle | to_YMDH }}.nc"
 
 # Naming conventions for bias correction files
+atmosphere_obsbiasroot_path: "{{COM_ATMOS_ANALYSIS_PREV}}"
+
 atmosphere_obsbiasin_path: "{{DATA}}/obs/"
 atmosphere_obsbiasin_prefix: "{{GPREFIX}}"
 atmosphere_obsbiasin_suffix: ".satbias.nc"
@@ -94,6 +98,16 @@ atmosphere_obsbiasout_suffix: ".satbias.nc"
 atmosphere_obsbiascovout_prefix: "{{APREFIX}}"
 atmosphere_obsbiascovout_suffix: ".satbias_cov.nc"
 
+bias_files:
+  atms_n20: rad_varbc_params.tar
+  atms_npp: rad_varbc_params.tar
+  mtiasi_metop-a: rad_varbc_params.tar
+  mtiasi_metop-b: rad_varbc_params.tar
+  amsua_n19: rad_varbc_params.tar
+  ssmis_f17: rad_varbc_params.tar
+  ssmis_f18: rad_varbc_params.tar
+  cris-fsr_n20: rad_varbc_params.tar
+  cris-fsr_npp: rad_varbc_params.tar
 
 # Local Ensemble DA (LETKF)
 # -------------------------
diff --git a/parm/jcb-gdas b/parm/jcb-gdas
index 2b46aa19b..7717c0e74 160000
--- a/parm/jcb-gdas
+++ b/parm/jcb-gdas
@@ -1 +1 @@
-Subproject commit 2b46aa19b22df22f33ef0be5030fb719a8fa6298
+Subproject commit 7717c0e7401e344a6bce37a4f8ecc11399256936
diff --git a/test/atm/global-workflow/config.yaml b/test/atm/global-workflow/config.yaml
index c06019628..d8bf2e4c2 100644
--- a/test/atm/global-workflow/config.yaml
+++ b/test/atm/global-workflow/config.yaml
@@ -10,7 +10,7 @@ base:
   PTMP: "@bindir@/test/atm/global-workflow/testrun"
 
 atmanl:
-  JCB_ALGO_YAML: "@srcdir@/test/atm/global-workflow/jcb-prototype_3dvar.yaml.j2"
+  JCB_ALGO_YAML_VAR: "@srcdir@/test/atm/global-workflow/jcb-prototype_3dvar.yaml.j2"
   STATICB_TYPE: "identity"
   ATMRES_ANL: "C48"
   LAYOUT_X_ATMANL: 1
@@ -19,11 +19,6 @@ atmanl:
 atmensanl:
   JCB_ALGO_YAML_LETKF: "@srcdir@/test/atm/global-workflow/jcb-prototype_lgetkf.yaml.j2"
   JCB_ALGO_YAML_OBS: "@srcdir@/test/atm/global-workflow/jcb-prototype_lgetkf_observer.yaml.j2"
+  JCB_ALGO_YAML_SOL: "@srcdir@/test/atm/global-workflow/jcb-prototype_lgetkf_solver.yaml.j2"
   LAYOUT_X_ATMENSANL: 1
   LAYOUT_Y_ATMENSANL: 1
-
-atmensanlobs:
-  JCB_ALGO_YAML: "@srcdir@/test/atm/global-workflow/jcb-prototype_lgetkf_observer.yaml.j2"
-
-atmensanlsol:
-  JCB_ALGO_YAML: "@srcdir@/test/atm/global-workflow/jcb-prototype_lgetkf_solver.yaml.j2"