diff --git a/parm/gsi_to_ioda.xml.j2 b/parm/gsi_to_ioda.xml.j2
index 47327f74..ee43bef3 100644
--- a/parm/gsi_to_ioda.xml.j2
+++ b/parm/gsi_to_ioda.xml.j2
@@ -33,11 +33,10 @@
 	<jobname><cyclestr>obsforge_gdas_gsi_to_ioda_@H</cyclestr></jobname>
 	<account>{{ ACCOUNT }}</account>
 	<queue>{{ QUEUE }}</queue>
-	<partition>{{ PARTITION }}</partition>
 	<walltime>{{ WALLTIME_GSI_TO_IODA }}</walltime>
 	<nodes>{{ TASK_GEOM_GSI_TO_IODA }}</nodes>
 	<memory>{{ MEMORY_GSI_TO_IODA }}</memory>
-	<native>--export=NONE</native>
+	<native>-l place=vscatter:shared</native>
 
 	<join><cyclestr>{{ COMROOT }}/{{ PSLOT }}/logs/@Y@m@d@H/gdas_gsi_to_ioda.log</cyclestr></join>
 
@@ -73,11 +72,10 @@
 	<jobname><cyclestr>obsforge_gdas_atmos_bufr_dump_@H</cyclestr></jobname>
 	<account>{{ ACCOUNT }}</account>
 	<queue>{{ QUEUE }}</queue>
-	<partition>{{ PARTITION }}</partition>
 	<walltime>{{ WALLTIME_ATMOS_BUFR_DUMP }}</walltime>
 	<nodes>{{ TASK_GEOM_ATMOS_BUFR_DUMP }}</nodes>
 	<memory>{{ MEMORY_ATMOS_BUFR_DUMP }}</memory>
-	<native>--export=NONE</native>
+	<native>-l place=vscatter:shared</native>
 
 	<join><cyclestr>{{ COMROOT }}/{{ PSLOT }}/logs/@Y@m@d@H/gdas_atmos_bufr_dump.log</cyclestr></join>
 
@@ -112,11 +110,10 @@
 	<jobname><cyclestr>obsforge_gdas_stage_output_@H</cyclestr></jobname>
 	<account>{{ ACCOUNT }}</account>
 	<queue>{{ QUEUE }}</queue>
-	<partition>{{ PARTITION }}</partition>
 	<walltime>{{ WALLTIME_STAGE_OUTPUT }}</walltime>
 	<nodes>{{ TASK_GEOM_STAGE_OUTPUT }}</nodes>
 	<memory>{{ MEMORY_STAGE_OUTPUT }}</memory>
-	<native>--export=NONE</native>
+	<native>-l place=vscatter:shared</native>
 
 	<join><cyclestr>{{ COMROOT }}/{{ PSLOT }}/logs/@Y@m@d@H/gdas_stage_output.log</cyclestr></join>
 
@@ -136,8 +133,8 @@
 
     <dependency>
 	    <and>
-		    <taskdep>gdas_gsi_to_ioda</taskdep>
-		    <taskdep>gdas_atmos_bufr_dump</taskdep>
+		    <taskdep task="gdas_gsi_to_ioda"/>
+		    <taskdep task="gdas_atmos_bufr_dump"/>
 	    </and>
 	</dependency>
 
diff --git a/ush/python/pyobsforge/task/gsi_to_ioda.py b/ush/python/pyobsforge/task/gsi_to_ioda.py
index bafb8738..5236ef0c 100644
--- a/ush/python/pyobsforge/task/gsi_to_ioda.py
+++ b/ush/python/pyobsforge/task/gsi_to_ioda.py
@@ -312,7 +312,7 @@ def convert_bias_correction_files(self) -> None:
         except Exception as e:
             raise WorkflowException(f"An error occurred during execution of {exec_cmd}:\n{e}") from e
 
-        # Create satellite tarball and copy to COMOUT
+        # Create bias tarball and copy to COMOUT
         comout = os.path.join(self.task_config['COMROOT'],
                               self.task_config['PSLOT'],
                               f"{self.task_config.RUN}.{self.task_config.current_cycle.strftime('%Y%m%d')}",
@@ -320,24 +320,32 @@ def convert_bias_correction_files(self) -> None:
                               'atmos_gsi')
         if not os.path.exists(comout):
             FileHandler({'mkdir': [comout]}).sync()
-        tarball_out = os.path.join(comout, f"{self.task_config.APREFIX}rad_varbc_params.tar")
+        tarball_out = os.path.join(comout, f"{self.task_config.APREFIX}varbc_params.tar")
         with tarfile.open(tarball_out, "w") as tar:
             for sat in satlist:
-                bias_file = os.path.join(bias_dir_path, f'{self.task_config["APREFIX"]}radiance_{sat}.satbias.gsi.nc')
-                if os.path.exists(bias_file):
-                    logger.info(f"Adding {bias_file} to tarball")
-                    tar.add(bias_file, arcname=os.path.basename(bias_file))
-                tlapse_file = os.path.join(bias_dir_path, f'{self.task_config["APREFIX"]}radiance_{sat}.tlapse.gsi.txt')
-                if os.path.exists(tlapse_file):
+                bias_file_in = os.path.join(bias_dir_path, f'{self.task_config["APREFIX"]}radiance_{sat}.satbias.gsi.nc')
+                bias_file = os.path.join(bias_dir_path, f'{self.task_config["APREFIX"]}radiance_{sat}.bias.nc')
+                cov_file = os.path.join(bias_dir_path, f'{self.task_config["APREFIX"]}radiance_{sat}.bias_cov.nc')
+                if os.path.exists(bias_file_in):
+                    logger.info(f"Adding {bias_file_in} to tarball as {os.path.basename(bias_file)}")
+                    tar.add(bias_file_in, arcname=os.path.basename(bias_file))
+                    # add the same file with a different name for the covariance file
+                    # (this is needed for the UFO varbc reader to read in the covariance info)
+                    tar.add(bias_file_in, arcname=os.path.basename(cov_file))
+                tlapse_file_in = os.path.join(bias_dir_path, f'{self.task_config["APREFIX"]}radiance_{sat}.tlapse.gsi.txt')
+                tlapse_file = os.path.join(bias_dir_path, f'{self.task_config["APREFIX"]}radiance_{sat}.tlapse.txt')
+                if os.path.exists(tlapse_file_in):
                     logger.info(f"Adding {tlapse_file} to tarball")
-                    tar.add(tlapse_file, arcname=os.path.basename(tlapse_file))
-        logger.info(f"Finished creating bias correction tarball at {tarball_out}")
+                    tar.add(tlapse_file_in, arcname=os.path.basename(tlapse_file))
+            # also add the aircraft bias file to the tarball
+            acft_bias_file_in = os.path.join(bias_dir_path, f'{self.task_config["APREFIX"]}aircraft_bias.gsi.nc')
+            acft_bias_file = os.path.join(bias_dir_path, f'{self.task_config["APREFIX"]}aircraft.bias.nc')
+            acft_cov_file = os.path.join(bias_dir_path, f'{self.task_config["APREFIX"]}aircraft.bias_cov.nc')
+            if os.path.exists(acft_bias_file_in):
+                logger.info(f"Adding {acft_bias_file_in} to tarball")
+                tar.add(acft_bias_file_in, arcname=os.path.basename(acft_bias_file))
+                # add the same file with a different name for the covariance file
+                # (this is needed for the UFO varbc reader to read in the covariance info)
+                tar.add(acft_bias_file_in, arcname=os.path.basename(acft_cov_file))
 
-        # copy aircraft bias file to COMOUT
-        acft_bias_file = os.path.join(bias_dir_path, f'{self.task_config["APREFIX"]}aircraft_bias.gsi.nc')
-        if os.path.exists(acft_bias_file):
-            dest = os.path.join(comout, os.path.basename(acft_bias_file))
-            FileHandler({'copy_opt': [[acft_bias_file, dest]]}).sync()
-            logger.info(f"Copied aircraft bias file to {dest}")
-        else:
-            logger.warning(f"Aircraft bias file {acft_bias_file} does not exist, skipping copy to COMOUT")
+        logger.info(f"Finished creating bias correction tarball at {tarball_out}")
diff --git a/ush/python/pyobsforge/task/stage_output.py b/ush/python/pyobsforge/task/stage_output.py
index 5edfbd0b..373052d8 100644
--- a/ush/python/pyobsforge/task/stage_output.py
+++ b/ush/python/pyobsforge/task/stage_output.py
@@ -114,10 +114,13 @@ def run(self):
 
         # Copy obsforge BUFR status log file
         bufr_status_log_src = os.path.join(self.task_config.COMIN_ATMOS_OBSFORGE,
-                                           "obsforge_atmos_bufr_status.log")
+                                           f"{self.task_config.OPREFIX}obsforge_atmos_bufr_status.log")
         bufr_status_log_dest = os.path.join(self.task_config.COMOUT_ATMOS_OBS,
-                                            "obsforge_atmos_bufr_status.log")
+                                            f"{self.task_config.OPREFIX}obsforge_atmos_bufr_status.log")
         if os.path.exists(bufr_status_log_src):
+            # If no observation files were copied, ensure the output directory exists
+            if not copy_list:
+                os.makedirs(self.task_config.COMOUT_ATMOS_OBS, exist_ok=True)
             FileHandler({'copy': [[bufr_status_log_src, bufr_status_log_dest]]}).sync()
             logger.info(f"Copied BUFR status log from {bufr_status_log_src} to {bufr_status_log_dest}")
         else:
@@ -127,9 +130,9 @@ def run(self):
         bias_correction_config = self.task_config.get('bias correction', {})
         if bias_correction_config.get('source') == 'GSI':
             bc_src_file = os.path.join(self.task_config.COMIN_ATMOS_GSI,
-                                       f"{self.task_config.OPREFIX}rad_varbc_params.tar")
+                                       f"{self.task_config.OPREFIX}varbc_params.tar")
             bc_dest_file = os.path.join(self.task_config.COMOUT_ATMOS_BC,
-                                        f"{self.task_config.OPREFIX}rad_varbc_params.tar")
+                                        f"{self.task_config.OPREFIX}varbc_params.tar")
             if os.path.exists(bc_src_file):
                 FileHandler({'mkdir': [self.task_config.COMOUT_ATMOS_BC],
                              'copy': [[bc_src_file, bc_dest_file]]}).sync()