diff --git a/parm/config/gfs/config.atmanl b/parm/config/gfs/config.atmanl
index 7879b8b683..d56ae37cf1 100644
--- a/parm/config/gfs/config.atmanl
+++ b/parm/config/gfs/config.atmanl
@@ -23,6 +23,9 @@ fi
 
 export CRTM_FIX_YAML="${PARMgfs}/gdas/atm_crtm_coeff.yaml.j2"
 export JEDI_FIX_YAML="${PARMgfs}/gdas/atm_jedi_fix.yaml.j2"
+export VAR_BKG_STAGING_YAML="${PARMgfs}/gdas/staging/atm_var_bkg.yaml.j2"
+export BERROR_STAGING_YAML="${PARMgfs}/gdas/staging/atm_berror_${STATICB_TYPE}.yaml.j2"
+export FV3ENS_STAGING_YAML="${PARMgfs}/gdas/staging/atm_var_fv3ens.yaml.j2"
 
 export layout_x_atmanl=@LAYOUT_X_ATMANL@
 export layout_y_atmanl=@LAYOUT_Y_ATMANL@
diff --git a/parm/config/gfs/config.atmensanl b/parm/config/gfs/config.atmensanl
index c03583659d..ddd3d88659 100644
--- a/parm/config/gfs/config.atmensanl
+++ b/parm/config/gfs/config.atmensanl
@@ -12,6 +12,7 @@ export INTERP_METHOD='barycentric'
 
 export CRTM_FIX_YAML="${PARMgfs}/gdas/atm_crtm_coeff.yaml.j2"
 export JEDI_FIX_YAML="${PARMgfs}/gdas/atm_jedi_fix.yaml.j2"
+export LGETKF_BKG_STAGING_YAML="${PARMgfs}/gdas/staging/atm_lgetkf_bkg.yaml.j2"
 
 export layout_x_atmensanl=@LAYOUT_X_ATMENSANL@
 export layout_y_atmensanl=@LAYOUT_Y_ATMENSANL@
diff --git a/parm/gdas/staging/atm_berror_gsibec.yaml.j2 b/parm/gdas/staging/atm_berror_gsibec.yaml.j2
new file mode 100644
index 0000000000..e6c5e41609
--- /dev/null
+++ b/parm/gdas/staging/atm_berror_gsibec.yaml.j2
@@ -0,0 +1,8 @@
+{% set fname_list = ['gfs_gsi_global.nml', 'gsi-coeffs-gfs-global.nc4'] %}
+
+mkdir:
+- '{{ DATA }}/berror'
+copy:
+{% for fname in fname_list %}
+- ['{{ HOMEgfs }}/fix/gdas/gsibec/{{ CASE_ANL }}/{{ fname }}', '{{ DATA }}/berror']
+{% endfor %}
diff --git a/parm/gdas/staging/atm_lgetkf_bkg.yaml.j2 b/parm/gdas/staging/atm_lgetkf_bkg.yaml.j2
new file mode 100644
index 0000000000..eda3dad5a7
--- /dev/null
+++ b/parm/gdas/staging/atm_lgetkf_bkg.yaml.j2
@@ -0,0 +1,32 @@
+{% set ftype_list = ['fv_core.res', 'fv_srf_wnd.res', 'fv_tracer.res', 'phy_data', 'sfc_data'] %}
+{% set time_list = [current_cycle] %}
+
+mkdir:
+{% for imem in range(1,NMEM_ENS+1) %}
+   {% set memchar = 'mem%03d' | format(imem) %}
+   {% set tmpl_dict = ({ '${ROTDIR}': ROTDIR,
+                         '${RUN}': RUN, 
+                         '${YMD}': current_cycle | to_YMD,	
+                         '${HH}': current_cycle | strftime('%H'),
+                         '${MEMDIR}': memchar }) %}
+- '{{ DATA }}/bkg/{{ memchar }}'
+- '{{ DATA }}/anl/{{ memchar }}'
+- '{{ COM_ATMOS_ANALYSIS_TMPL | replace_tmpl(tmpl_dict) }}'
+{% endfor %}
+copy:
+{% for time in time_list %}
+   {% for imem in range(1,NMEM_ENS+1) %}
+      {% set memchar = 'mem%03d' | format(imem) %}
+      {% set tmpl_dict = ({ '${ROTDIR}': ROTDIR,
+      	      	      	    '${RUN}': 'enkfgdas',
+                            '${YMD}': previous_cycle | to_YMD,	
+                            '${HH}': previous_cycle | strftime('%H'),
+                            '${MEMDIR}': memchar }) %}
+- ['{{ COM_ATMOS_RESTART_TMPL | replace_tmpl(tmpl_dict) }}/{{ time | to_fv3time }}.coupler.res', '{{ DATA }}/bkg/{{ memchar }}/']
+      {% for ftype in ftype_list %}
+         {% for itile in range(1,7) %}
+- ['{{ COM_ATMOS_RESTART_TMPL | replace_tmpl(tmpl_dict) }}/{{ time | to_fv3time }}.{{ ftype }}.tile{{ itile }}.nc', '{{ DATA }}/bkg/{{ memchar }}/']
+         {% endfor %}
+      {% endfor %}
+   {% endfor %}
+{% endfor %}
diff --git a/parm/gdas/staging/atm_var_bkg.yaml.j2 b/parm/gdas/staging/atm_var_bkg.yaml.j2
new file mode 100644
index 0000000000..37af833649
--- /dev/null
+++ b/parm/gdas/staging/atm_var_bkg.yaml.j2
@@ -0,0 +1,14 @@
+{% set ftype_list = ['fv_core.res', 'fv_srf_wnd.res', 'fv_tracer.res', 'phy_data', 'sfc_data'] %}
+{% set time_list = [current_cycle] %}
+
+mkdir:
+- '{{ DATA }}/bkg'
+copy:
+{% for time in time_list %}
+- ['{{ COM_ATMOS_RESTART_PREV }}/{{ time | to_fv3time }}.coupler.res', '{{ DATA }}/bkg/']
+   {% for ftype in ftype_list %}
+      {% for itile in range(1,ntiles+1) %}
+- ['{{ COM_ATMOS_RESTART_PREV }}/{{ time | to_fv3time }}.{{ ftype }}.tile{{ itile }}.nc', '{{ DATA }}/bkg/']
+      {% endfor %}
+   {% endfor %}
+{% endfor %}
diff --git a/parm/gdas/staging/atm_var_fv3ens.yaml.j2 b/parm/gdas/staging/atm_var_fv3ens.yaml.j2
new file mode 100644
index 0000000000..e499c86d57
--- /dev/null
+++ b/parm/gdas/staging/atm_var_fv3ens.yaml.j2
@@ -0,0 +1,24 @@
+{% set ftype_list = ['fv_core.res', 'fv_srf_wnd.res', 'fv_tracer.res', 'phy_data', 'sfc_data'] %}
+{% set time_list = [current_cycle] %}
+
+mkdir:
+{% for imem in range(1,NMEM_ENS+1) %}
+- '{{ DATA }}/ens/{{ 'mem%03d' | format(imem) }}'
+{% endfor %}
+copy:
+{% for time in time_list %}
+   {% for imem in range(1,NMEM_ENS+1) %}
+      {% set memchar = 'mem%03d' | format(imem) %}
+      {% set tmpl_dict = ({ '${ROTDIR}': ROTDIR,
+                            '${RUN}': 'enkfgdas',
+                            '${YMD}': previous_cycle | to_YMD,
+                            '${HH}': previous_cycle | strftime('%H'),
+                            '${MEMDIR}': memchar }) %}
+- ['{{ COM_ATMOS_RESTART_TMPL | replace_tmpl(tmpl_dict) }}/{{ time | to_fv3time }}.coupler.res', '{{ DATA }}/ens/{{ memchar }}/']
+      {% for ftype in ftype_list %}
+         {% for itile in range(1,ntiles+1) %}
+- ['{{ COM_ATMOS_RESTART_TMPL | replace_tmpl(tmpl_dict) }}/{{ time | to_fv3time }}.{{ ftype }}.tile{{ itile }}.nc', '{{ DATA }}/ens/{{ memchar }}/']
+         {% endfor %}
+      {% endfor %}
+   {% endfor %}
+{% endfor %}
diff --git a/sorc/wxflow b/sorc/wxflow
index 8406beeea4..5dad7dd61c 160000
--- a/sorc/wxflow
+++ b/sorc/wxflow
@@ -1 +1 @@
-Subproject commit 8406beeea410118cdfbd8300895b2b2878eadba6
+Subproject commit 5dad7dd61cebd9b3f2b163b3b06bb75eae1860a9
diff --git a/ush/python/pygfs/task/aero_analysis.py b/ush/python/pygfs/task/aero_analysis.py
index 16d2735090..69a992d7d4 100644
--- a/ush/python/pygfs/task/aero_analysis.py
+++ b/ush/python/pygfs/task/aero_analysis.py
@@ -29,33 +29,33 @@ class AerosolAnalysis(Analysis):
     def __init__(self, config):
         super().__init__(config)
 
-        _res = int(self.config['CASE'][1:])
-        _res_anl = int(self.config['CASE_ANL'][1:])
-        _window_begin = add_to_datetime(self.runtime_config.current_cycle, -to_timedelta(f"{self.config['assim_freq']}H") / 2)
-        _jedi_yaml = os.path.join(self.runtime_config.DATA, f"{self.runtime_config.CDUMP}.t{self.runtime_config['cyc']:02d}z.aerovar.yaml")
+        _res = int(self.task_config['CASE'][1:])
+        _res_anl = int(self.task_config['CASE_ANL'][1:])
+        _window_begin = add_to_datetime(self.task_config.current_cycle, -to_timedelta(f"{self.task_config['assim_freq']}H") / 2)
+        _jedi_yaml = os.path.join(self.task_config.DATA, f"{self.task_config.RUN}.t{self.task_config['cyc']:02d}z.aerovar.yaml")
 
         # Create a local dictionary that is repeatedly used across this class
         local_dict = AttrDict(
             {
                 'npx_ges': _res + 1,
                 'npy_ges': _res + 1,
-                'npz_ges': self.config.LEVS - 1,
-                'npz': self.config.LEVS - 1,
+                'npz_ges': self.task_config.LEVS - 1,
+                'npz': self.task_config.LEVS - 1,
                 'npx_anl': _res_anl + 1,
                 'npy_anl': _res_anl + 1,
-                'npz_anl': self.config['LEVS'] - 1,
+                'npz_anl': self.task_config['LEVS'] - 1,
                 'AERO_WINDOW_BEGIN': _window_begin,
-                'AERO_WINDOW_LENGTH': f"PT{self.config['assim_freq']}H",
-                'aero_bkg_fhr': map(int, str(self.config['aero_bkg_times']).split(',')),
-                'OPREFIX': f"{self.runtime_config.CDUMP}.t{self.runtime_config.cyc:02d}z.",  # TODO: CDUMP is being replaced by RUN
-                'APREFIX': f"{self.runtime_config.CDUMP}.t{self.runtime_config.cyc:02d}z.",  # TODO: CDUMP is being replaced by RUN
-                'GPREFIX': f"gdas.t{self.runtime_config.previous_cycle.hour:02d}z.",
+                'AERO_WINDOW_LENGTH': f"PT{self.task_config['assim_freq']}H",
+                'aero_bkg_fhr': map(int, str(self.task_config['aero_bkg_times']).split(',')),
+                'OPREFIX': f"{self.task_config.RUN}.t{self.task_config.cyc:02d}z.",
+                'APREFIX': f"{self.task_config.RUN}.t{self.task_config.cyc:02d}z.",
+                'GPREFIX': f"gdas.t{self.task_config.previous_cycle.hour:02d}z.",
                 'jedi_yaml': _jedi_yaml,
             }
         )
 
-        # task_config is everything that this task should need
-        self.task_config = AttrDict(**self.config, **self.runtime_config, **local_dict)
+        # Extend task_config with local_dict
+        self.task_config = AttrDict(**self.task_config, **local_dict)
 
     @logit(logger)
     def initialize(self: Analysis) -> None:
@@ -157,8 +157,8 @@ def finalize(self: Analysis) -> None:
                 archive.add(diaggzip, arcname=os.path.basename(diaggzip))
 
         # copy full YAML from executable to ROTDIR
-        src = os.path.join(self.task_config['DATA'], f"{self.task_config['CDUMP']}.t{self.runtime_config['cyc']:02d}z.aerovar.yaml")
-        dest = os.path.join(self.task_config.COM_CHEM_ANALYSIS, f"{self.task_config['CDUMP']}.t{self.runtime_config['cyc']:02d}z.aerovar.yaml")
+        src = os.path.join(self.task_config['DATA'], f"{self.task_config['RUN']}.t{self.task_config['cyc']:02d}z.aerovar.yaml")
+        dest = os.path.join(self.task_config.COM_CHEM_ANALYSIS, f"{self.task_config['RUN']}.t{self.task_config['cyc']:02d}z.aerovar.yaml")
         yaml_copy = {
             'mkdir': [self.task_config.COM_CHEM_ANALYSIS],
             'copy': [[src, dest]]
diff --git a/ush/python/pygfs/task/aero_emissions.py b/ush/python/pygfs/task/aero_emissions.py
index 17d2f528e4..5f2d4c6840 100644
--- a/ush/python/pygfs/task/aero_emissions.py
+++ b/ush/python/pygfs/task/aero_emissions.py
@@ -42,7 +42,9 @@ def __init__(self, config: Dict[str, Any]) -> None:
         localdict = AttrDict(
             {'variable_used_repeatedly': local_variable}
         )
-        self.task_config = AttrDict(**self.config, **self.runtime_config, **localdict)
+
+        # Extend task_config with localdict
+        self.task_config = AttrDict(**self.task_config, **localdict)
 
     @staticmethod
     @logit(logger)
diff --git a/ush/python/pygfs/task/aero_prepobs.py b/ush/python/pygfs/task/aero_prepobs.py
index f2344241a9..d8396fe3ca 100644
--- a/ush/python/pygfs/task/aero_prepobs.py
+++ b/ush/python/pygfs/task/aero_prepobs.py
@@ -24,23 +24,23 @@ class AerosolObsPrep(Task):
     def __init__(self, config: Dict[str, Any]) -> None:
         super().__init__(config)
 
-        _window_begin = add_to_datetime(self.runtime_config.current_cycle, -to_timedelta(f"{self.config['assim_freq']}H") / 2)
-        _window_end = add_to_datetime(self.runtime_config.current_cycle, +to_timedelta(f"{self.config['assim_freq']}H") / 2)
+        _window_begin = add_to_datetime(self.task_config.current_cycle, -to_timedelta(f"{self.task_config['assim_freq']}H") / 2)
+        _window_end = add_to_datetime(self.task_config.current_cycle, +to_timedelta(f"{self.task_config['assim_freq']}H") / 2)
 
         local_dict = AttrDict(
             {
                 'window_begin': _window_begin,
                 'window_end': _window_end,
-                'sensors': str(self.config['SENSORS']).split(','),
-                'data_dir': self.config['VIIRS_DATA_DIR'],
+                'sensors': str(self.task_config['SENSORS']).split(','),
+                'data_dir': self.task_config['VIIRS_DATA_DIR'],
                 'input_files': '',
-                'OPREFIX': f"{self.runtime_config.RUN}.t{self.runtime_config.cyc:02d}z.",
-                'APREFIX': f"{self.runtime_config.RUN}.t{self.runtime_config.cyc:02d}z."
+                'OPREFIX': f"{self.task_config.RUN}.t{self.task_config.cyc:02d}z.",
+                'APREFIX': f"{self.task_config.RUN}.t{self.task_config.cyc:02d}z."
             }
         )
 
         # task_config is everything that this task should need
-        self.task_config = AttrDict(**self.config, **self.runtime_config, **local_dict)
+        self.task_config = AttrDict(**self.task_config, **local_dict)
 
     @logit(logger)
     def initialize(self) -> None:
@@ -64,8 +64,8 @@ def initialize(self) -> None:
             self.task_config.prepaero_config = self.get_obsproc_config(sensor)
 
             # generate converter YAML file
-            template = f"{self.runtime_config.CDUMP}.t{self.runtime_config['cyc']:02d}z.prepaero_viirs_{sensor}.yaml"
-            _prepaero_yaml = os.path.join(self.runtime_config.DATA, template)
+            template = f"{self.task_config.RUN}.t{self.task_config['cyc']:02d}z.prepaero_viirs_{sensor}.yaml"
+            _prepaero_yaml = os.path.join(self.task_config.DATA, template)
             self.task_config.prepaero_yaml.append(_prepaero_yaml)
             logger.debug(f"Generate PrepAeroObs YAML file: {_prepaero_yaml}")
             save_as_yaml(self.task_config.prepaero_config, _prepaero_yaml)
diff --git a/ush/python/pygfs/task/analysis.py b/ush/python/pygfs/task/analysis.py
index b668ac3980..e407cf1765 100644
--- a/ush/python/pygfs/task/analysis.py
+++ b/ush/python/pygfs/task/analysis.py
@@ -27,7 +27,7 @@ class Analysis(Task):
     def __init__(self, config: Dict[str, Any]) -> None:
         super().__init__(config)
         # Store location of GDASApp jinja2 templates
-        self.gdasapp_j2tmpl_dir = os.path.join(self.config.PARMgfs, 'gdas')
+        self.gdasapp_j2tmpl_dir = os.path.join(self.task_config.PARMgfs, 'gdas')
 
     def initialize(self) -> None:
         super().initialize()
@@ -54,7 +54,7 @@ def get_jedi_config(self, algorithm: Optional[str] = None) -> Dict[str, Any]:
         ----------
         algorithm (optional) : str
             Name of the algorithm to use in the JEDI configuration. Will override the algorithm
-            set in the self.config.JCB_<>_YAML file
+            set in the self.task_config.JCB_<>_YAML file
 
         Returns
         ----------
@@ -120,7 +120,7 @@ def get_obs_dict(self) -> Dict[str, Any]:
             basename = os.path.basename(obfile)
             copylist.append([os.path.join(self.task_config['COM_OBS'], basename), obfile])
         obs_dict = {
-            'mkdir': [os.path.join(self.runtime_config['DATA'], 'obs')],
+            'mkdir': [os.path.join(self.task_config['DATA'], 'obs')],
             'copy': copylist
         }
         return obs_dict
@@ -161,7 +161,7 @@ def get_bias_dict(self) -> Dict[str, Any]:
                     # TODO: Why is this specific to ATMOS?
 
         bias_dict = {
-            'mkdir': [os.path.join(self.runtime_config.DATA, 'bc')],
+            'mkdir': [os.path.join(self.task_config.DATA, 'bc')],
             'copy': copylist
         }
         return bias_dict
@@ -180,7 +180,7 @@ def add_fv3_increments(self, inc_file_tmpl: str, bkg_file_tmpl: str, incvars: Li
            List of increment variables to add to the background
         """
 
-        for itile in range(1, self.config.ntiles + 1):
+        for itile in range(1, self.task_config.ntiles + 1):
             inc_path = inc_file_tmpl.format(tilenum=itile)
             bkg_path = bkg_file_tmpl.format(tilenum=itile)
             with Dataset(inc_path, mode='r') as incfile, Dataset(bkg_path, mode='a') as rstfile:
@@ -194,44 +194,6 @@ def add_fv3_increments(self, inc_file_tmpl: str, bkg_file_tmpl: str, incvars: Li
                     except (AttributeError, RuntimeError):
                         pass  # checksum is missing, move on
 
-    @logit(logger)
-    def get_bkg_dict(self, task_config: Dict[str, Any]) -> Dict[str, List[str]]:
-        """Compile a dictionary of model background files to copy
-
-        This method is a placeholder for now... will be possibly made generic at a later date
-
-        Parameters
-        ----------
-        task_config: Dict
-            a dictionary containing all of the configuration needed for the task
-
-        Returns
-        ----------
-        bkg_dict: Dict
-            a dictionary containing the list of model background files to copy for FileHandler
-        """
-        bkg_dict = {'foo': 'bar'}
-        return bkg_dict
-
-    @logit(logger)
-    def get_berror_dict(self, config: Dict[str, Any]) -> Dict[str, List[str]]:
-        """Compile a dictionary of background error files to copy
-
-        This method is a placeholder for now... will be possibly made generic at a later date
-
-        Parameters
-        ----------
-        config: Dict
-            a dictionary containing all of the configuration needed
-
-        Returns
-        ----------
-        berror_dict: Dict
-            a dictionary containing the list of background error files to copy for FileHandler
-        """
-        berror_dict = {'foo': 'bar'}
-        return berror_dict
-
     @logit(logger)
     def link_jediexe(self) -> None:
         """Compile a dictionary of background error files to copy
@@ -258,68 +220,6 @@ def link_jediexe(self) -> None:
 
         return exe_dest
 
-    @staticmethod
-    @logit(logger)
-    def get_fv3ens_dict(config: Dict[str, Any]) -> Dict[str, Any]:
-        """Compile a dictionary of ensemble member restarts to copy
-
-        This method constructs a dictionary of ensemble FV3 restart files (coupler, core, tracer)
-        that are needed for global atmens DA and returns said dictionary for use by the FileHandler class.
-
-        Parameters
-        ----------
-        config: Dict
-            a dictionary containing all of the configuration needed
-
-        Returns
-        ----------
-        ens_dict: Dict
-            a dictionary containing the list of ensemble member restart files to copy for FileHandler
-        """
-        # NOTE for now this is FV3 restart files and just assumed to be fh006
-
-        # define template
-        template_res = config.COM_ATMOS_RESTART_TMPL
-        prev_cycle = config.previous_cycle
-        tmpl_res_dict = {
-            'ROTDIR': config.ROTDIR,
-            'RUN': config.RUN,
-            'YMD': to_YMD(prev_cycle),
-            'HH': prev_cycle.strftime('%H'),
-            'MEMDIR': None
-        }
-
-        # construct ensemble member file list
-        dirlist = []
-        enslist = []
-        for imem in range(1, config.NMEM_ENS + 1):
-            memchar = f"mem{imem:03d}"
-
-            # create directory path for ensemble member restart
-            dirlist.append(os.path.join(config.DATA, config.dirname, f'mem{imem:03d}'))
-
-            # get FV3 restart files, this will be a lot simpler when using history files
-            tmpl_res_dict['MEMDIR'] = memchar
-            rst_dir = Template.substitute_structure(template_res, TemplateConstants.DOLLAR_CURLY_BRACE, tmpl_res_dict.get)
-            run_dir = os.path.join(config.DATA, config.dirname, memchar)
-
-            # atmens DA needs coupler
-            basename = f'{to_fv3time(config.current_cycle)}.coupler.res'
-            enslist.append([os.path.join(rst_dir, basename), os.path.join(config.DATA, config.dirname, memchar, basename)])
-
-            # atmens DA needs core, srf_wnd, tracer, phy_data, sfc_data
-            for ftype in ['fv_core.res', 'fv_srf_wnd.res', 'fv_tracer.res', 'phy_data', 'sfc_data']:
-                template = f'{to_fv3time(config.current_cycle)}.{ftype}.tile{{tilenum}}.nc'
-                for itile in range(1, config.ntiles + 1):
-                    basename = template.format(tilenum=itile)
-                    enslist.append([os.path.join(rst_dir, basename), os.path.join(run_dir, basename)])
-
-        ens_dict = {
-            'mkdir': dirlist,
-            'copy': enslist,
-        }
-        return ens_dict
-
     @staticmethod
     @logit(logger)
     def tgz_diags(statfile: str, diagdir: str) -> None:
diff --git a/ush/python/pygfs/task/archive.py b/ush/python/pygfs/task/archive.py
index 269aea0ccc..f38d07fb6e 100644
--- a/ush/python/pygfs/task/archive.py
+++ b/ush/python/pygfs/task/archive.py
@@ -35,12 +35,13 @@ def __init__(self, config: Dict[str, Any]) -> None:
         """
         super().__init__(config)
 
-        rotdir = self.config.ROTDIR + os.sep
+        rotdir = self.task_config.ROTDIR + os.sep
 
         # Find all absolute paths in the environment and get their relative paths from ${ROTDIR}
         path_dict = self._gen_relative_paths(rotdir)
 
-        self.task_config = AttrDict(**self.config, **self.runtime_config, **path_dict)
+        # Extend task_config with path_dict
+        self.task_config = AttrDict(**self.task_config, **path_dict)
 
     @logit(logger)
     def configure(self, arch_dict: Dict[str, Any]) -> (Dict[str, Any], List[Dict[str, Any]]):
@@ -297,7 +298,7 @@ def _create_tarball(target: str, fileset: List) -> None:
 
     @logit(logger)
     def _gen_relative_paths(self, root_path: str) -> Dict:
-        """Generate a dict of paths in self.config relative to root_path
+        """Generate a dict of paths in self.task_config relative to root_path
 
         Parameters
         ----------
@@ -314,7 +315,7 @@ def _gen_relative_paths(self, root_path: str) -> Dict:
         """
 
         rel_path_dict = {}
-        for key, value in self.config.items():
+        for key, value in self.task_config.items():
             if isinstance(value, str):
                 if root_path in value:
                     rel_path = value.replace(root_path, "")
diff --git a/ush/python/pygfs/task/atm_analysis.py b/ush/python/pygfs/task/atm_analysis.py
index 95545c57a4..4e9d37335c 100644
--- a/ush/python/pygfs/task/atm_analysis.py
+++ b/ush/python/pygfs/task/atm_analysis.py
@@ -28,35 +28,35 @@ class AtmAnalysis(Analysis):
     def __init__(self, config):
         super().__init__(config)
 
-        _res = int(self.config.CASE[1:])
-        _res_anl = int(self.config.CASE_ANL[1:])
-        _window_begin = add_to_datetime(self.runtime_config.current_cycle, -to_timedelta(f"{self.config.assim_freq}H") / 2)
-        _jedi_yaml = os.path.join(self.runtime_config.DATA, f"{self.runtime_config.CDUMP}.t{self.runtime_config.cyc:02d}z.atmvar.yaml")
+        _res = int(self.task_config.CASE[1:])
+        _res_anl = int(self.task_config.CASE_ANL[1:])
+        _window_begin = add_to_datetime(self.task_config.current_cycle, -to_timedelta(f"{self.task_config.assim_freq}H") / 2)
+        _jedi_yaml = os.path.join(self.task_config.DATA, f"{self.task_config.RUN}.t{self.task_config.cyc:02d}z.atmvar.yaml")
 
         # Create a local dictionary that is repeatedly used across this class
         local_dict = AttrDict(
             {
                 'npx_ges': _res + 1,
                 'npy_ges': _res + 1,
-                'npz_ges': self.config.LEVS - 1,
-                'npz': self.config.LEVS - 1,
+                'npz_ges': self.task_config.LEVS - 1,
+                'npz': self.task_config.LEVS - 1,
                 'npx_anl': _res_anl + 1,
                 'npy_anl': _res_anl + 1,
-                'npz_anl': self.config.LEVS - 1,
+                'npz_anl': self.task_config.LEVS - 1,
                 'ATM_WINDOW_BEGIN': _window_begin,
-                'ATM_WINDOW_LENGTH': f"PT{self.config.assim_freq}H",
-                'OPREFIX': f"{self.runtime_config.CDUMP}.t{self.runtime_config.cyc:02d}z.",  # TODO: CDUMP is being replaced by RUN
-                'APREFIX': f"{self.runtime_config.CDUMP}.t{self.runtime_config.cyc:02d}z.",  # TODO: CDUMP is being replaced by RUN
-                'GPREFIX': f"gdas.t{self.runtime_config.previous_cycle.hour:02d}z.",
+                'ATM_WINDOW_LENGTH': f"PT{self.task_config.assim_freq}H",
+                'OPREFIX': f"{self.task_config.RUN}.t{self.task_config.cyc:02d}z.",
+                'APREFIX': f"{self.task_config.RUN}.t{self.task_config.cyc:02d}z.",
+                'GPREFIX': f"gdas.t{self.task_config.previous_cycle.hour:02d}z.",
                 'jedi_yaml': _jedi_yaml,
-                'atm_obsdatain_path': f"{self.runtime_config.DATA}/obs/",
-                'atm_obsdataout_path': f"{self.runtime_config.DATA}/diags/",
+                'atm_obsdatain_path': f"{self.task_config.DATA}/obs/",
+                'atm_obsdataout_path': f"{self.task_config.DATA}/diags/",
                 'BKG_TSTEP': "PT1H"  # Placeholder for 4D applications
             }
         )
 
-        # task_config is everything that this task should need
-        self.task_config = AttrDict(**self.config, **self.runtime_config, **local_dict)
+        # Extend task_config with local_dict
+        self.task_config = AttrDict(**self.task_config, **local_dict)
 
     @logit(logger)
     def initialize(self: Analysis) -> None:
@@ -85,22 +85,22 @@ def initialize(self: Analysis) -> None:
 
         # stage static background error files, otherwise it will assume ID matrix
         logger.info(f"Stage files for STATICB_TYPE {self.task_config.STATICB_TYPE}")
-        FileHandler(self.get_berror_dict(self.task_config)).sync()
+        if self.task_config.STATICB_TYPE != 'identity':
+            berror_staging_dict = parse_j2yaml(self.task_config.BERROR_STAGING_YAML, self.task_config)
+        else:
+            berror_staging_dict = {}
+        FileHandler(berror_staging_dict).sync()
 
         # stage ensemble files for use in hybrid background error
         if self.task_config.DOHYBVAR:
             logger.debug(f"Stage ensemble files for DOHYBVAR {self.task_config.DOHYBVAR}")
-            localconf = AttrDict()
-            keys = ['COM_ATMOS_RESTART_TMPL', 'previous_cycle', 'ROTDIR', 'RUN',
-                    'NMEM_ENS', 'DATA', 'current_cycle', 'ntiles']
-            for key in keys:
-                localconf[key] = self.task_config[key]
-            localconf.RUN = 'enkfgdas'
-            localconf.dirname = 'ens'
-            FileHandler(self.get_fv3ens_dict(localconf)).sync()
+            fv3ens_staging_dict = parse_j2yaml(self.task_config.FV3ENS_STAGING_YAML, self.task_config)
+            FileHandler(fv3ens_staging_dict).sync()
 
         # stage backgrounds
-        FileHandler(self.get_bkg_dict(AttrDict(self.task_config))).sync()
+        logger.info(f"Staging background files from {self.task_config.VAR_BKG_STAGING_YAML}")
+        bkg_staging_dict = parse_j2yaml(self.task_config.VAR_BKG_STAGING_YAML, self.task_config)
+        FileHandler(bkg_staging_dict).sync()
 
         # generate variational YAML file
         logger.debug(f"Generate variational YAML file: {self.task_config.jedi_yaml}")
@@ -140,7 +140,7 @@ def variational(self: Analysis) -> None:
     @logit(logger)
     def init_fv3_increment(self: Analysis) -> None:
         # Setup JEDI YAML file
-        self.task_config.jedi_yaml = os.path.join(self.runtime_config.DATA,
+        self.task_config.jedi_yaml = os.path.join(self.task_config.DATA,
                                                   f"{self.task_config.JCB_ALGO}.yaml")
         save_as_yaml(self.get_jedi_config(self.task_config.JCB_ALGO), self.task_config.jedi_yaml)
 
@@ -198,8 +198,8 @@ def finalize(self: Analysis) -> None:
 
         # copy full YAML from executable to ROTDIR
         logger.info(f"Copying {self.task_config.jedi_yaml} to {self.task_config.COM_ATMOS_ANALYSIS}")
-        src = os.path.join(self.task_config.DATA, f"{self.task_config.CDUMP}.t{self.task_config.cyc:02d}z.atmvar.yaml")
-        dest = os.path.join(self.task_config.COM_ATMOS_ANALYSIS, f"{self.task_config.CDUMP}.t{self.task_config.cyc:02d}z.atmvar.yaml")
+        src = os.path.join(self.task_config.DATA, f"{self.task_config.RUN}.t{self.task_config.cyc:02d}z.atmvar.yaml")
+        dest = os.path.join(self.task_config.COM_ATMOS_ANALYSIS, f"{self.task_config.RUN}.t{self.task_config.cyc:02d}z.atmvar.yaml")
         logger.debug(f"Copying {src} to {dest}")
         yaml_copy = {
             'mkdir': [self.task_config.COM_ATMOS_ANALYSIS],
@@ -244,7 +244,7 @@ def finalize(self: Analysis) -> None:
         cdate = to_fv3time(self.task_config.current_cycle)
         cdate_inc = cdate.replace('.', '_')
         src = os.path.join(self.task_config.DATA, 'anl', f"atminc.{cdate_inc}z.nc4")
-        dest = os.path.join(self.task_config.COM_ATMOS_ANALYSIS, f'{self.task_config.CDUMP}.t{self.task_config.cyc:02d}z.atminc.nc')
+        dest = os.path.join(self.task_config.COM_ATMOS_ANALYSIS, f'{self.task_config.RUN}.t{self.task_config.cyc:02d}z.atminc.nc')
         logger.debug(f"Copying {src} to {dest}")
         inc_copy = {
             'copy': [[src, dest]]
@@ -253,189 +253,3 @@ def finalize(self: Analysis) -> None:
 
     def clean(self):
         super().clean()
-
-    @logit(logger)
-    def get_bkg_dict(self, task_config: Dict[str, Any]) -> Dict[str, List[str]]:
-        """Compile a dictionary of model background files to copy
-
-        This method constructs a dictionary of FV3 restart files (coupler, core, tracer)
-        that are needed for global atm DA and returns said dictionary for use by the FileHandler class.
-
-        Parameters
-        ----------
-        task_config: Dict
-            a dictionary containing all of the configuration needed for the task
-
-        Returns
-        ----------
-        bkg_dict: Dict
-            a dictionary containing the list of model background files to copy for FileHandler
-        """
-        # NOTE for now this is FV3 restart files and just assumed to be fh006
-
-        # get FV3 restart files, this will be a lot simpler when using history files
-        rst_dir = os.path.join(task_config.COM_ATMOS_RESTART_PREV)  # for now, option later?
-        run_dir = os.path.join(task_config.DATA, 'bkg')
-
-        # Start accumulating list of background files to copy
-        bkglist = []
-
-        # atm DA needs coupler
-        basename = f'{to_fv3time(task_config.current_cycle)}.coupler.res'
-        bkglist.append([os.path.join(rst_dir, basename), os.path.join(run_dir, basename)])
-
-        # atm DA needs core, srf_wnd, tracer, phy_data, sfc_data
-        for ftype in ['core', 'srf_wnd', 'tracer']:
-            template = f'{to_fv3time(self.task_config.current_cycle)}.fv_{ftype}.res.tile{{tilenum}}.nc'
-            for itile in range(1, task_config.ntiles + 1):
-                basename = template.format(tilenum=itile)
-                bkglist.append([os.path.join(rst_dir, basename), os.path.join(run_dir, basename)])
-
-        for ftype in ['phy_data', 'sfc_data']:
-            template = f'{to_fv3time(self.task_config.current_cycle)}.{ftype}.tile{{tilenum}}.nc'
-            for itile in range(1, task_config.ntiles + 1):
-                basename = template.format(tilenum=itile)
-                bkglist.append([os.path.join(rst_dir, basename), os.path.join(run_dir, basename)])
-
-        bkg_dict = {
-            'mkdir': [run_dir],
-            'copy': bkglist,
-        }
-        return bkg_dict
-
-    @logit(logger)
-    def get_berror_dict(self, config: Dict[str, Any]) -> Dict[str, List[str]]:
-        """Compile a dictionary of background error files to copy
-
-        This method will construct a dictionary of either bump of gsibec background
-        error files for global atm DA and return said dictionary for use by the
-        FileHandler class.
-
-        Parameters
-        ----------
-        config: Dict
-            a dictionary containing all of the configuration needed
-
-        Returns
-        ----------
-        berror_dict: Dict
-            a dictionary containing the list of atm background error files to copy for FileHandler
-        """
-        SUPPORTED_BERROR_STATIC_MAP = {'identity': self._get_berror_dict_identity,
-                                       'bump': self._get_berror_dict_bump,
-                                       'gsibec': self._get_berror_dict_gsibec}
-
-        try:
-            berror_dict = SUPPORTED_BERROR_STATIC_MAP[config.STATICB_TYPE](config)
-        except KeyError:
-            raise KeyError(f"{config.STATICB_TYPE} is not a supported background error type.\n" +
-                           f"Currently supported background error types are:\n" +
-                           f'{" | ".join(SUPPORTED_BERROR_STATIC_MAP.keys())}')
-
-        return berror_dict
-
-    @staticmethod
-    @logit(logger)
-    def _get_berror_dict_identity(config: Dict[str, Any]) -> Dict[str, List[str]]:
-        """Identity BE does not need any files for staging.
-
-        This is a private method and should not be accessed directly.
-
-        Parameters
-        ----------
-        config: Dict
-            a dictionary containing all of the configuration needed
-        Returns
-        ----------
-        berror_dict: Dict
-            Empty dictionary [identity BE needs not files to stage]
-        """
-        logger.info(f"Identity background error does not use staged files.  Return empty dictionary")
-        return {}
-
-    @staticmethod
-    @logit(logger)
-    def _get_berror_dict_bump(config: Dict[str, Any]) -> Dict[str, List[str]]:
-        """Compile a dictionary of atm bump background error files to copy
-
-        This method will construct a dictionary of atm bump background error
-        files for global atm DA and return said dictionary to the parent
-
-        This is a private method and should not be accessed directly.
-
-        Parameters
-        ----------
-        config: Dict
-            a dictionary containing all of the configuration needed
-
-        Returns
-        ----------
-        berror_dict: Dict
-            a dictionary of atm bump background error files to copy for FileHandler
-        """
-        # BUMP atm static-B needs nicas, cor_rh, cor_rv and stddev files.
-        b_dir = config.BERROR_DATA_DIR
-        b_datestr = to_fv3time(config.BERROR_DATE)
-        berror_list = []
-        for ftype in ['cor_rh', 'cor_rv', 'stddev']:
-            coupler = f'{b_datestr}.{ftype}.coupler.res'
-            berror_list.append([
-                os.path.join(b_dir, coupler), os.path.join(config.DATA, 'berror', coupler)
-            ])
-
-            template = '{b_datestr}.{ftype}.fv_tracer.res.tile{{tilenum}}.nc'
-            for itile in range(1, config.ntiles + 1):
-                tracer = template.format(tilenum=itile)
-                berror_list.append([
-                    os.path.join(b_dir, tracer), os.path.join(config.DATA, 'berror', tracer)
-                ])
-
-        nproc = config.ntiles * config.layout_x * config.layout_y
-        for nn in range(1, nproc + 1):
-            berror_list.append([
-                os.path.join(b_dir, f'nicas_aero_nicas_local_{nproc:06}-{nn:06}.nc'),
-                os.path.join(config.DATA, 'berror', f'nicas_aero_nicas_local_{nproc:06}-{nn:06}.nc')
-            ])
-
-        # create dictionary of background error files to stage
-        berror_dict = {
-            'mkdir': [os.path.join(config.DATA, 'berror')],
-            'copy': berror_list,
-        }
-        return berror_dict
-
-    @staticmethod
-    @logit(logger)
-    def _get_berror_dict_gsibec(config: Dict[str, Any]) -> Dict[str, List[str]]:
-        """Compile a dictionary of atm gsibec background error files to copy
-
-        This method will construct a dictionary of atm gsibec background error
-        files for global atm DA and return said dictionary to the parent
-
-        This is a private method and should not be accessed directly.
-
-        Parameters
-        ----------
-        config: Dict
-            a dictionary containing all of the configuration needed
-
-        Returns
-        ----------
-        berror_dict: Dict
-            a dictionary of atm gsibec background error files to copy for FileHandler
-        """
-        # GSI atm static-B needs namelist and coefficient files.
-        b_dir = os.path.join(config.HOMEgfs, 'fix', 'gdas', 'gsibec', config.CASE_ANL)
-        berror_list = []
-        for ftype in ['gfs_gsi_global.nml', 'gsi-coeffs-gfs-global.nc4']:
-            berror_list.append([
-                os.path.join(b_dir, ftype),
-                os.path.join(config.DATA, 'berror', ftype)
-            ])
-
-        # create dictionary of background error files to stage
-        berror_dict = {
-            'mkdir': [os.path.join(config.DATA, 'berror')],
-            'copy': berror_list,
-        }
-        return berror_dict
diff --git a/ush/python/pygfs/task/atmens_analysis.py b/ush/python/pygfs/task/atmens_analysis.py
index 37ac613736..bd5112050e 100644
--- a/ush/python/pygfs/task/atmens_analysis.py
+++ b/ush/python/pygfs/task/atmens_analysis.py
@@ -29,22 +29,22 @@ class AtmEnsAnalysis(Analysis):
     def __init__(self, config):
         super().__init__(config)
 
-        _res = int(self.config.CASE_ENS[1:])
-        _window_begin = add_to_datetime(self.runtime_config.current_cycle, -to_timedelta(f"{self.config.assim_freq}H") / 2)
-        _jedi_yaml = os.path.join(self.runtime_config.DATA, f"{self.runtime_config.CDUMP}.t{self.runtime_config.cyc:02d}z.atmens.yaml")
+        _res = int(self.task_config.CASE_ENS[1:])
+        _window_begin = add_to_datetime(self.task_config.current_cycle, -to_timedelta(f"{self.task_config.assim_freq}H") / 2)
+        _jedi_yaml = os.path.join(self.task_config.DATA, f"{self.task_config.RUN}.t{self.task_config.cyc:02d}z.atmens.yaml")
 
         # Create a local dictionary that is repeatedly used across this class
         local_dict = AttrDict(
             {
                 'npx_ges': _res + 1,
                 'npy_ges': _res + 1,
-                'npz_ges': self.config.LEVS - 1,
-                'npz': self.config.LEVS - 1,
+                'npz_ges': self.task_config.LEVS - 1,
+                'npz': self.task_config.LEVS - 1,
                 'ATM_WINDOW_BEGIN': _window_begin,
-                'ATM_WINDOW_LENGTH': f"PT{self.config.assim_freq}H",
-                'OPREFIX': f"{self.config.EUPD_CYC}.t{self.runtime_config.cyc:02d}z.",  # TODO: CDUMP is being replaced by RUN
-                'APREFIX': f"{self.runtime_config.CDUMP}.t{self.runtime_config.cyc:02d}z.",  # TODO: CDUMP is being replaced by RUN
-                'GPREFIX': f"gdas.t{self.runtime_config.previous_cycle.hour:02d}z.",
+                'ATM_WINDOW_LENGTH': f"PT{self.task_config.assim_freq}H",
+                'OPREFIX': f"{self.task_config.EUPD_CYC}.t{self.task_config.cyc:02d}z.",
+                'APREFIX': f"{self.task_config.RUN}.t{self.task_config.cyc:02d}z.",
+                'GPREFIX': f"gdas.t{self.task_config.previous_cycle.hour:02d}z.",
                 'jedi_yaml': _jedi_yaml,
                 'atm_obsdatain_path': f"./obs/",
                 'atm_obsdataout_path': f"./diags/",
@@ -52,8 +52,8 @@ def __init__(self, config):
             }
         )
 
-        # task_config is everything that this task should need
-        self.task_config = AttrDict(**self.config, **self.runtime_config, **local_dict)
+        # Extend task_config with local_dict
+        self.task_config = AttrDict(**self.task_config, **local_dict)
 
     @logit(logger)
     def initialize(self: Analysis) -> None:
@@ -77,27 +77,6 @@ def initialize(self: Analysis) -> None:
         """
         super().initialize()
 
-        # Make member directories in DATA for background and in DATA and ROTDIR for analysis files
-        # create template dictionary for output member analysis directories
-        template_inc = self.task_config.COM_ATMOS_ANALYSIS_TMPL
-        tmpl_inc_dict = {
-            'ROTDIR': self.task_config.ROTDIR,
-            'RUN': self.task_config.RUN,
-            'YMD': to_YMD(self.task_config.current_cycle),
-            'HH': self.task_config.current_cycle.strftime('%H')
-        }
-        dirlist = []
-        for imem in range(1, self.task_config.NMEM_ENS + 1):
-            dirlist.append(os.path.join(self.task_config.DATA, 'bkg', f'mem{imem:03d}'))
-            dirlist.append(os.path.join(self.task_config.DATA, 'anl', f'mem{imem:03d}'))
-
-            # create output directory path for member analysis
-            tmpl_inc_dict['MEMDIR'] = f"mem{imem:03d}"
-            incdir = Template.substitute_structure(template_inc, TemplateConstants.DOLLAR_CURLY_BRACE, tmpl_inc_dict.get)
-            dirlist.append(incdir)
-
-        FileHandler({'mkdir': dirlist}).sync()
-
         # stage CRTM fix files
         logger.info(f"Staging CRTM fix files from {self.task_config.CRTM_FIX_YAML}")
         crtm_fix_list = parse_j2yaml(self.task_config.CRTM_FIX_YAML, self.task_config)
@@ -110,13 +89,8 @@ def initialize(self: Analysis) -> None:
 
         # stage backgrounds
         logger.info(f"Stage ensemble member background files")
-        localconf = AttrDict()
-        keys = ['COM_ATMOS_RESTART_TMPL', 'previous_cycle', 'ROTDIR', 'RUN',
-                'NMEM_ENS', 'DATA', 'current_cycle', 'ntiles']
-        for key in keys:
-            localconf[key] = self.task_config[key]
-        localconf.dirname = 'bkg'
-        FileHandler(self.get_fv3ens_dict(localconf)).sync()
+        bkg_staging_dict = parse_j2yaml(self.task_config.LGETKF_BKG_STAGING_YAML, self.task_config)
+        FileHandler(bkg_staging_dict).sync()
 
         # generate ensemble da YAML file
         logger.debug(f"Generate ensemble da YAML file: {self.task_config.jedi_yaml}")
@@ -171,7 +145,7 @@ def letkf(self: Analysis) -> None:
     @logit(logger)
     def init_fv3_increment(self: Analysis) -> None:
         # Setup JEDI YAML file
-        self.task_config.jedi_yaml = os.path.join(self.runtime_config.DATA,
+        self.task_config.jedi_yaml = os.path.join(self.task_config.DATA,
                                                   f"{self.task_config.JCB_ALGO}.yaml")
         save_as_yaml(self.get_jedi_config(self.task_config.JCB_ALGO), self.task_config.jedi_yaml)
 
@@ -235,8 +209,8 @@ def finalize(self: Analysis) -> None:
 
         # copy full YAML from executable to ROTDIR
         logger.info(f"Copying {self.task_config.jedi_yaml} to {self.task_config.COM_ATMOS_ANALYSIS_ENS}")
-        src = os.path.join(self.task_config.DATA, f"{self.task_config.CDUMP}.t{self.task_config.cyc:02d}z.atmens.yaml")
-        dest = os.path.join(self.task_config.COM_ATMOS_ANALYSIS_ENS, f"{self.task_config.CDUMP}.t{self.task_config.cyc:02d}z.atmens.yaml")
+        src = os.path.join(self.task_config.DATA, f"{self.task_config.RUN}.t{self.task_config.cyc:02d}z.atmens.yaml")
+        dest = os.path.join(self.task_config.COM_ATMOS_ANALYSIS_ENS, f"{self.task_config.RUN}.t{self.task_config.cyc:02d}z.atmens.yaml")
         logger.debug(f"Copying {src} to {dest}")
         yaml_copy = {
             'mkdir': [self.task_config.COM_ATMOS_ANALYSIS_ENS],
@@ -265,7 +239,7 @@ def finalize(self: Analysis) -> None:
             tmpl_inc_dict['MEMDIR'] = memchar
             incdir = Template.substitute_structure(template_inc, TemplateConstants.DOLLAR_CURLY_BRACE, tmpl_inc_dict.get)
             src = os.path.join(self.task_config.DATA, 'anl', memchar, f"atminc.{cdate_inc}z.nc4")
-            dest = os.path.join(incdir, f"{self.task_config.CDUMP}.t{self.task_config.cyc:02d}z.atminc.nc")
+            dest = os.path.join(incdir, f"{self.task_config.RUN}.t{self.task_config.cyc:02d}z.atminc.nc")
 
             # copy increment
             logger.debug(f"Copying {src} to {dest}")
diff --git a/ush/python/pygfs/task/oceanice_products.py b/ush/python/pygfs/task/oceanice_products.py
index 690aac9542..98b57ae801 100644
--- a/ush/python/pygfs/task/oceanice_products.py
+++ b/ush/python/pygfs/task/oceanice_products.py
@@ -49,39 +49,40 @@ def __init__(self, config: Dict[str, Any]) -> None:
         """
         super().__init__(config)
 
-        if self.config.COMPONENT not in self.VALID_COMPONENTS:
-            raise NotImplementedError(f'{self.config.COMPONENT} is not a valid model component.\n' +
+        if self.task_config.COMPONENT not in self.VALID_COMPONENTS:
+            raise NotImplementedError(f'{self.task_config.COMPONENT} is not a valid model component.\n' +
                                       'Valid model components are:\n' +
                                       f'{", ".join(self.VALID_COMPONENTS)}')
 
-        model_grid = f"mx{self.config[self.COMPONENT_RES_MAP[self.config.COMPONENT]]:03d}"
+        model_grid = f"mx{self.task_config[self.COMPONENT_RES_MAP[self.task_config.COMPONENT]]:03d}"
 
-        valid_datetime = add_to_datetime(self.runtime_config.current_cycle, to_timedelta(f"{self.config.FORECAST_HOUR}H"))
+        valid_datetime = add_to_datetime(self.task_config.current_cycle, to_timedelta(f"{self.task_config.FORECAST_HOUR}H"))
 
-        if self.config.COMPONENT == 'ice':
-            offset = int(self.runtime_config.current_cycle.strftime("%H")) % self.config.FHOUT_ICE_GFS
+        if self.task_config.COMPONENT == 'ice':
+            offset = int(self.task_config.current_cycle.strftime("%H")) % self.task_config.FHOUT_ICE_GFS
             # For CICE cases where offset is not 0, forecast_hour needs to be adjusted based on the offset.
             # TODO: Consider FHMIN when calculating offset.
             if offset != 0:
-                forecast_hour = self.config.FORECAST_HOUR - int(self.runtime_config.current_cycle.strftime("%H"))
+                forecast_hour = self.task_config.FORECAST_HOUR - int(self.task_config.current_cycle.strftime("%H"))
                 # For the first forecast hour, the interval may be different from the intervals of subsequent forecast hours
-                if forecast_hour <= self.config.FHOUT_ICE_GFS:
-                    interval = self.config.FHOUT_ICE_GFS - int(self.runtime_config.current_cycle.strftime("%H"))
+                if forecast_hour <= self.task_config.FHOUT_ICE_GFS:
+                    interval = self.task_config.FHOUT_ICE_GFS - int(self.task_config.current_cycle.strftime("%H"))
                 else:
-                    interval = self.config.FHOUT_ICE_GFS
+                    interval = self.task_config.FHOUT_ICE_GFS
             else:
-                forecast_hour = self.config.FORECAST_HOUR
-                interval = self.config.FHOUT_ICE_GFS
-        if self.config.COMPONENT == 'ocean':
-            forecast_hour = self.config.FORECAST_HOUR
-            interval = self.config.FHOUT_OCN_GFS
+                forecast_hour = self.task_config.FORECAST_HOUR
+                interval = self.task_config.FHOUT_ICE_GFS
+        if self.task_config.COMPONENT == 'ocean':
+            forecast_hour = self.task_config.FORECAST_HOUR
+            interval = self.task_config.FHOUT_OCN_GFS
 
         # TODO: This is a bit of a hack, but it works for now
         # FIXME: find a better way to provide the averaging period
         avg_period = f"{forecast_hour-interval:03d}-{forecast_hour:03d}"
 
+        # Extend task_config with localdict
         localdict = AttrDict(
-            {'component': self.config.COMPONENT,
+            {'component': self.task_config.COMPONENT,
              'forecast_hour': forecast_hour,
              'valid_datetime': valid_datetime,
              'avg_period': avg_period,
@@ -89,11 +90,11 @@ def __init__(self, config: Dict[str, Any]) -> None:
              'interval': interval,
              'product_grids': self.VALID_PRODUCT_GRIDS[model_grid]}
         )
-        self.task_config = AttrDict(**self.config, **self.runtime_config, **localdict)
+        self.task_config = AttrDict(**self.task_config, **localdict)
 
         # Read the oceanice_products.yaml file for common configuration
-        logger.info(f"Read the ocean ice products configuration yaml file {self.config.OCEANICEPRODUCTS_CONFIG}")
-        self.task_config.oceanice_yaml = parse_j2yaml(self.config.OCEANICEPRODUCTS_CONFIG, self.task_config)
+        logger.info(f"Read the ocean ice products configuration yaml file {self.task_config.OCEANICEPRODUCTS_CONFIG}")
+        self.task_config.oceanice_yaml = parse_j2yaml(self.task_config.OCEANICEPRODUCTS_CONFIG, self.task_config)
         logger.debug(f"oceanice_yaml:\n{pformat(self.task_config.oceanice_yaml)}")
 
     @staticmethod
diff --git a/ush/python/pygfs/task/snow_analysis.py b/ush/python/pygfs/task/snow_analysis.py
index 9a5c7fcab0..9656b00a8e 100644
--- a/ush/python/pygfs/task/snow_analysis.py
+++ b/ush/python/pygfs/task/snow_analysis.py
@@ -32,27 +32,27 @@ class SnowAnalysis(Analysis):
     def __init__(self, config):
         super().__init__(config)
 
-        _res = int(self.config['CASE'][1:])
-        _window_begin = add_to_datetime(self.runtime_config.current_cycle, -to_timedelta(f"{self.config['assim_freq']}H") / 2)
-        _letkfoi_yaml = os.path.join(self.runtime_config.DATA, f"{self.runtime_config.RUN}.t{self.runtime_config['cyc']:02d}z.letkfoi.yaml")
+        _res = int(self.task_config['CASE'][1:])
+        _window_begin = add_to_datetime(self.task_config.current_cycle, -to_timedelta(f"{self.task_config['assim_freq']}H") / 2)
+        _letkfoi_yaml = os.path.join(self.task_config.DATA, f"{self.task_config.RUN}.t{self.task_config['cyc']:02d}z.letkfoi.yaml")
 
         # Create a local dictionary that is repeatedly used across this class
         local_dict = AttrDict(
             {
                 'npx_ges': _res + 1,
                 'npy_ges': _res + 1,
-                'npz_ges': self.config.LEVS - 1,
-                'npz': self.config.LEVS - 1,
+                'npz_ges': self.task_config.LEVS - 1,
+                'npz': self.task_config.LEVS - 1,
                 'SNOW_WINDOW_BEGIN': _window_begin,
-                'SNOW_WINDOW_LENGTH': f"PT{self.config['assim_freq']}H",
-                'OPREFIX': f"{self.runtime_config.RUN}.t{self.runtime_config.cyc:02d}z.",
-                'APREFIX': f"{self.runtime_config.RUN}.t{self.runtime_config.cyc:02d}z.",
+                'SNOW_WINDOW_LENGTH': f"PT{self.task_config['assim_freq']}H",
+                'OPREFIX': f"{self.task_config.RUN}.t{self.task_config.cyc:02d}z.",
+                'APREFIX': f"{self.task_config.RUN}.t{self.task_config.cyc:02d}z.",
                 'jedi_yaml': _letkfoi_yaml
             }
         )
 
-        # task_config is everything that this task should need
-        self.task_config = AttrDict(**self.config, **self.runtime_config, **local_dict)
+        # Extend task_config with local_dict
+        self.task_config = AttrDict(**self.task_config, **local_dict)
 
     @logit(logger)
     def prepare_GTS(self) -> None:
@@ -114,7 +114,7 @@ def _gtsbufr2iodax(exe, yaml_file):
         # 1. generate bufr2ioda YAML files
         # 2. execute bufr2ioda.x
         for name in prep_gts_config.bufr2ioda.keys():
-            gts_yaml = os.path.join(self.runtime_config.DATA, f"bufr_{name}_snow.yaml")
+            gts_yaml = os.path.join(self.task_config.DATA, f"bufr_{name}_snow.yaml")
             logger.info(f"Generate BUFR2IODA YAML file: {gts_yaml}")
             temp_yaml = parse_j2yaml(prep_gts_config.bufr2ioda[name], localconf)
             save_as_yaml(temp_yaml, gts_yaml)
diff --git a/ush/python/pygfs/task/upp.py b/ush/python/pygfs/task/upp.py
index 7db50e1582..7e42e07c64 100644
--- a/ush/python/pygfs/task/upp.py
+++ b/ush/python/pygfs/task/upp.py
@@ -46,26 +46,27 @@ def __init__(self, config: Dict[str, Any]) -> None:
         """
         super().__init__(config)
 
-        if self.config.UPP_RUN not in self.VALID_UPP_RUN:
-            raise NotImplementedError(f'{self.config.UPP_RUN} is not a valid UPP run type.\n' +
+        if self.task_config.UPP_RUN not in self.VALID_UPP_RUN:
+            raise NotImplementedError(f'{self.task_config.UPP_RUN} is not a valid UPP run type.\n' +
                                       'Valid UPP_RUN values are:\n' +
                                       f'{", ".join(self.VALID_UPP_RUN)}')
 
-        valid_datetime = add_to_datetime(self.runtime_config.current_cycle, to_timedelta(f"{self.config.FORECAST_HOUR}H"))
+        valid_datetime = add_to_datetime(self.task_config.current_cycle, to_timedelta(f"{self.task_config.FORECAST_HOUR}H"))
 
+        # Extend task_config with localdict
         localdict = AttrDict(
-            {'upp_run': self.config.UPP_RUN,
-             'forecast_hour': self.config.FORECAST_HOUR,
+            {'upp_run': self.task_config.UPP_RUN,
+             'forecast_hour': self.task_config.FORECAST_HOUR,
              'valid_datetime': valid_datetime,
              'atmos_filename': f"atm_{valid_datetime.strftime('%Y%m%d%H%M%S')}.nc",
              'flux_filename': f"sfc_{valid_datetime.strftime('%Y%m%d%H%M%S')}.nc"
              }
         )
-        self.task_config = AttrDict(**self.config, **self.runtime_config, **localdict)
+        self.task_config = AttrDict(**self.task_config, **localdict)
 
         # Read the upp.yaml file for common configuration
-        logger.info(f"Read the UPP configuration yaml file {self.config.UPP_CONFIG}")
-        self.task_config.upp_yaml = parse_j2yaml(self.config.UPP_CONFIG, self.task_config)
+        logger.info(f"Read the UPP configuration yaml file {self.task_config.UPP_CONFIG}")
+        self.task_config.upp_yaml = parse_j2yaml(self.task_config.UPP_CONFIG, self.task_config)
         logger.debug(f"upp_yaml:\n{pformat(self.task_config.upp_yaml)}")
 
     @staticmethod