diff --git a/jobs/JREGIONAL_RUN_PYTHON_GRAPHICS b/jobs/JREGIONAL_RUN_PYTHON_GRAPHICS
new file mode 100755
index 000000000..638449040
--- /dev/null
+++ b/jobs/JREGIONAL_RUN_PYTHON_GRAPHICS
@@ -0,0 +1,154 @@
+#!/bin/bash
+
+#
+#-----------------------------------------------------------------------
+#
+# This script runs the adb_graphics create_graphics driver for creating
+# PNG figures and zipping them for dissemination to the web.
+#
+#-----------------------------------------------------------------------
+#
+
+#
+#-----------------------------------------------------------------------
+#
+# Source the variable definitions file and the bash utility functions.
+#
+#-----------------------------------------------------------------------
+#
+. ${GLOBAL_VAR_DEFNS_FP}
+. $USHDIR/source_util_funcs.sh
+#
+#-----------------------------------------------------------------------
+#
+# Save current shell options (in a global array).  Then set new options
+# for this script/function.
+#
+#-----------------------------------------------------------------------
+#
+{ save_shell_opts; set -u -x; } > /dev/null 2>&1
+#
+#-----------------------------------------------------------------------
+#
+# Get the full path to the file in which this script/function is located 
+# (scrfunc_fp), the name of that file (scrfunc_fn), and the directory in
+# which the file is located (scrfunc_dir).
+#
+#-----------------------------------------------------------------------
+#
+scrfunc_fp=$( readlink -f "${BASH_SOURCE[0]}" )
+scrfunc_fn=$( basename "${scrfunc_fp}" )
+scrfunc_dir=$( dirname "${scrfunc_fp}" )
+#
+#-----------------------------------------------------------------------
+#
+# Print message indicating entry into script.
+#
+#-----------------------------------------------------------------------
+#
+print_info_msg "
+========================================================================
+Entering script:  \"${scrfunc_fn}\"
+In directory:     \"${scrfunc_dir}\"
+
+This is the J-job script for the task that runs the post-processor (UPP)
+on the output files corresponding to a specified forecast hour.
+========================================================================"
+#
+#-----------------------------------------------------------------------
+#
+# Set the run directory and post directories.
+#
+#-----------------------------------------------------------------------
+#
+
+if [ "${RUN_ENVIR}" = "nco" ]; then
+  COMOUT="${COMOUT_BASEDIR}/$RUN.$PDY/$cyc${SLASH_ENSMEM_SUBDIR}"
+  postprd_dir="$COMOUT"
+  run_dir="${COMOUT}/pyprd"
+else
+  postprd_dir="${run_dir}/postprd"
+  run_dir="${CYCLE_DIR}${SLASH_ENSMEM_SUBDIR}/pyprd"
+fi
+
+# Choose an appropriate sites file for the grid
+if [[ ${PREDEF_GRID_NAME} =~ CONUS ]] ; then
+  sites_file=conus_raobs.txt
+elif [[ ${PREDEF_GRID_NAME} =~ AK ]] ; then
+  sites_file=alaska_raobs.txt
+else
+  print_err_msg_exit "\
+  Choice of sites file is ambiguous. Please help."
+fi
+
+# Choose the appropriate file template for graphics type
+
+case ${GRAPHICS_TYPE} in 
+
+  "maps")
+
+    file_tmpl="${NET}.${CDATE:8:2}z.bgdawpf{FCST_TIME:03d}.tm${CDATE:8:2}.grib2"
+    file_type=prs
+    extra_args="\
+      --tiles all
+      --images ${PYTHON_GRAPHICS_DIR}/image_lists/rrfs_subset.yml hourly"
+    ;;
+
+  "skewts")
+
+    file_tmpl="${NET}.t${CDATE:8:2}z.bgrd3df{FCST_TIME:03d}.tm00.grib2"
+    file_type=nat
+    extra_args="\
+      --sites ${PYTHON_GRAPHICS_DIR}/static/${sites_file}\
+      --max_plev 100"
+    ;;
+
+  *)
+    print_err_msg_exit "\
+      GRAPHICS_TYPE \"${GRAPHICS_TYPE}\" is not recognized."
+    ;;
+esac
+mkdir_vrfy -p "${run_dir}"
+#
+#-----------------------------------------------------------------------
+#
+# Call the graphics driver script.
+#
+#-----------------------------------------------------------------------
+#
+cd_vrfy ${PYTHON_GRAPHICS_DIR}
+python -u ${PYTHON_GRAPHICS_DIR}/create_graphics.py \
+  ${GRAPHICS_TYPE} \
+  -d ${postprd_dir} \
+  -f 0 ${FCST_LEN_HRS} \
+  --file_tmpl ${file_tmpl} \
+  --file_type ${file_type} \
+  -n ${SLURM_CPUS_ON_NODE:-12} \
+  -o ${run_dir} \
+  -s ${CDATE} \
+  -z ${run_dir}/skewt \
+  ${extra_args} ||
+print_err_msg_exit "\
+Call to pyscript \"${scrfunc_fn}\" failed."
+#
+#-----------------------------------------------------------------------
+#
+# Print exit message.
+#
+#-----------------------------------------------------------------------
+#
+print_info_msg "
+========================================================================
+Exiting script:  \"${scrfunc_fn}\"
+In directory:    \"${scrfunc_dir}\"
+========================================================================"
+#
+#-----------------------------------------------------------------------
+#
+# Restore the shell options saved at the beginning of this script/func-
+# tion.
+#
+#-----------------------------------------------------------------------
+#
+{ restore_shell_opts; } > /dev/null 2>&1
+
diff --git a/modulefiles/tasks/jet/run_graphics.local b/modulefiles/tasks/jet/run_graphics.local
new file mode 100644
index 000000000..542cc7f45
--- /dev/null
+++ b/modulefiles/tasks/jet/run_graphics.local
@@ -0,0 +1,10 @@
+#%Module
+
+module purge
+
+module use -a /contrib/miniconda3/modulefiles
+module load miniconda3
+
+system "set +u"
+system "source activate pygraf"
+system "set -u"
diff --git a/ush/set_extrn_mdl_params.sh b/ush/set_extrn_mdl_params.sh
index faef47ec3..0ba15b6cf 100644
--- a/ush/set_extrn_mdl_params.sh
+++ b/ush/set_extrn_mdl_params.sh
@@ -43,7 +43,7 @@ local func_name="${FUNCNAME[0]}"
 #
 #-----------------------------------------------------------------------
 #
-if [[ "${RUN_ENVIR}" = "nco" && ! -z ${COMINgfs} ]]; then
+if [[ "${RUN_ENVIR}" == "nco" && ! -z ${COMINgfs} ]]; then
 
   EXTRN_MDL_SYSBASEDIR_ICS="$COMINgfs"
 
diff --git a/ush/setup.sh b/ush/setup.sh
index 609c825ad..aab89d32e 100755
--- a/ush/setup.sh
+++ b/ush/setup.sh
@@ -804,6 +804,26 @@ Please clone the external repository containing the code in this directory,
 build the executable, and then rerun the workflow."
 fi
 #
+# Get the base directory of the Python Graphics code.
+#
+external_name="python_graphics"
+PYTHON_GRAPHICS_DIR=$( \
+  get_manage_externals_config_property \
+  "${mng_extrns_cfg_fn}" "${external_name}" "${property_name}" ) || \
+  print_err_msg_exit "\
+  Call to function get_manage_externals_config_property failed."
+
+PYTHON_GRAPHICS_DIR="${SR_WX_APP_TOP_DIR}/${PYTHON_GRAPHICS_DIR}"
+if [ ! -d "${PYTHON_GRAPHICS_DIR}" ]; then
+  print_err_msg_exit "
+The base directory in which the Python Graphics source code should be located
+(PYTHON_GRAPHICS_DIR) does not exist:
+  PYTHON_GRAPHICS_DIR = \"${PYTHON_GRAPHICS_DIR}\"
+Please clone the external repository containing the code in this directory,
+build the executable, and then rerun the workflow."
+fi
+#
+#
 #-----------------------------------------------------------------------
 #
 # Make sure that USE_CUSTOM_POST_CONFIG_FILE is set to a valid value.
@@ -2363,6 +2383,7 @@ UFS_UTILS_DIR="${UFS_UTILS_DIR}"
 SFC_CLIMO_INPUT_DIR="${SFC_CLIMO_INPUT_DIR}"
 TOPO_DIR="${TOPO_DIR}"
 EMC_POST_DIR="${EMC_POST_DIR}"
+PYTHON_GRAPHICS_DIR="${PYTHON_GRAPHICS_DIR}"
 
 ARCHIVEDIR="${ARCHIVEDIR}"
 NCARG_ROOT="${NCARG_ROOT}"
diff --git a/ush/templates/FV3LAM_wflow.xml b/ush/templates/FV3LAM_wflow.xml
index ff5a9761c..afb538309 100644
--- a/ush/templates/FV3LAM_wflow.xml
+++ b/ush/templates/FV3LAM_wflow.xml
@@ -70,7 +70,6 @@ tasks other than GET_EXTRN_ICS_TN, GET_EXTRN_LBCS_TN, and RUN_FCST_TN;
 the "HPSS" type is used for the GET_EXTRN_ICS_TN and GET_EXTRN_LBCS_TN 
 tasks; and the "FCST" type is used for the RUN_FCST_TN task.
 -->
-
 {%- if partition_default is not none %}
 <!ENTITY RSRV_DEFAULT "<account>&ACCOUNT;</account><queue>&QUEUE_DEFAULT;</queue><partition>{{ partition_default }}</partition>">
 {%- else %}
@@ -86,6 +85,7 @@ tasks; and the "FCST" type is used for the RUN_FCST_TN task.
 {%- else %}
 <!ENTITY RSRV_FCST    "<account>&ACCOUNT;</account><queue>&QUEUE_FCST;</queue>">
 {%- endif %}
+<!ENTITY RSRV_GRAPHICS   "<account>&ACCOUNT;</account><queue>&QUEUE_FCST;</queue><partition>kjet,xjet</partition>">
 
 <!ENTITY DEADLINE_PRE      "16:00:00">
 <!ENTITY DEADLINE_FCST     "23:30:00">
@@ -481,6 +481,36 @@ MODULES_RUN_TASK_FP script.
   </metatask>
 {% endif %}
 
+<!--
+************************************************************************
+************************************************************************
+-->
+
+  <task name="python_skewt" cycledefs="forecast" maxtries="{{ maxtries_run_post }}">
+
+    &RSRV_GRAPHICS;
+    &WALL_LIMIT_GRAPHICS;
+
+    <walltime>{{ wtime_run_fcst }}</walltime>
+    <nodes>1:ppn=24</nodes>
+    <native>--exclusive</native>
+    <jobname><cyclestr>python_@H_skewt</cyclestr></jobname>
+    <join><cyclestr>&LOGDIR;/python_skewt.log</cyclestr></join>
+
+    <command>&LOAD_MODULES_RUN_TASK_FP; "run_graphics" "&JOBSDIR;/JREGIONAL_RUN_PYTHON_GRAPHICS"</command>
+
+    <envar><name>GLOBAL_VAR_DEFNS_FP</name><value>&GLOBAL_VAR_DEFNS_FP;</value></envar>
+    <envar><name>PDY</name><value><cyclestr>@Y@m@d</cyclestr></value></envar>
+    <envar><name>cyc</name><value><cyclestr>@H</cyclestr></value></envar>
+    <envar><name>CDATE</name><value><cyclestr>@Y@m@d@H</cyclestr></value></envar>
+    <envar><name>SLASH_ENSMEM_SUBDIR</name><value><cyclestr>{{ slash_ensmem_subdir }}</cyclestr></value></envar>
+    <envar><name>GRAPHICS_TYPE</name><value>skewts</value></envar>
+
+    <dependency>
+      <taskdep task="&RUN_POST_TN;_f000"/>
+    </dependency>
+  </task>
+
 <!--
 ************************************************************************
 ************************************************************************