diff --git a/scripts/exregional_make_grid.sh b/scripts/exregional_make_grid.sh
index 13276835e..639bf3ab0 100755
--- a/scripts/exregional_make_grid.sh
+++ b/scripts/exregional_make_grid.sh
@@ -103,7 +103,7 @@ export OMP_STACKSIZE=2048m
 case $MACHINE in
 
 
-"WCOSS_C" | "WCOSS")
+"WCOSS_CRAY")
 #
   { save_shell_opts; set +x; } > /dev/null 2>&1
 
@@ -121,6 +121,18 @@ case $MACHINE in
   ulimit -a
   ;;
 
+"WCOSS_DELL_P3")
+#
+  { save_shell_opts; set +x; } > /dev/null 2>&1
+
+  module list
+
+  { restore_shell_opts; } > /dev/null 2>&1
+
+  export APRUN="mpirun"
+
+  ulimit -s unlimited
+  ;;
 
 "HERA")
 #
diff --git a/scripts/exregional_make_ics.sh b/scripts/exregional_make_ics.sh
index 6875e7a86..04cc14652 100755
--- a/scripts/exregional_make_ics.sh
+++ b/scripts/exregional_make_ics.sh
@@ -606,6 +606,48 @@ mv_vrfy gfs.bndy.nc ${ics_dir}/gfs_bndy.tile${TILE_RGNL}.000.nc
 #
 #-----------------------------------------------------------------------
 #
+# Process FVCOM Data
+#
+#-----------------------------------------------------------------------
+#
+if [ "${USE_FVCOM}" = "TRUE" ]; then
+
+  fvcom_exec_fn="fvcom_to_FV3"
+  fvcom_exec_fp="$EXECDIR/${fvcom_exec_fn}"
+  if [ ! -f "${fvcom_exec_fp}" ]; then
+    print_err_msg_exit "\
+The executable (fvcom_exec_fp) for processing FVCOM data onto FV3-LAM
+native grid does not exist:
+  fvcom_exec_fp = \"${fvcom_exec_fp}\"
+Please ensure that you've built this executable."
+  fi
+  cp_vrfy ${fvcom_exec_fp} ${ics_dir}/.
+  fvcom_data_fp="${FVCOM_DIR}/${FVCOM_FILE}"
+  if [ ! -f "${fvcom_data_fp}" ]; then
+    print_err_msg_exit "\
+The file or path (fvcom_data_fp) does not exist:
+  fvcom_data_fp = \"${fvcom_data_fp}\"
+Please check the following user defined variables:
+  FVCOM_DIR = \"${FVCOM_DIR}\"
+  FVCOM_FILE= \"${FVCOM_FILE}\" "
+  fi
+
+  cp_vrfy ${fvcom_data_fp} ${ics_dir}/fvcom.nc  
+  cd_vrfy ${ics_dir}
+  ${APRUN} ${fvcom_exec_fn} sfc_data.tile${TILE_RGNL}.halo${NH0}.nc fvcom.nc || \
+  print_err_msg_exit "\
+Call to executable (fvcom_exe) to modify sfc fields for FV3-LAM failed:
+  fvcom_exe = \"${fvcom_exe}\"
+The following variables were being used:
+  FVCOM_DIR = \"${FVCOM_DIR}\"
+  FVCOM_FILE = \"${FVCOM_FILE}\"
+  ics_dir = \"${ics_dir}\"
+  fvcom_exe_dir = \"${fvcom_exe_dir}\"
+  fvcom_exe = \"${fvcom_exe}\""
+fi
+#
+#-----------------------------------------------------------------------
+#
 # Print message indicating successful completion of script.
 #
 #-----------------------------------------------------------------------
diff --git a/scripts/exregional_make_orog.sh b/scripts/exregional_make_orog.sh
index 61639c3b3..fece0763e 100755
--- a/scripts/exregional_make_orog.sh
+++ b/scripts/exregional_make_orog.sh
@@ -99,7 +99,7 @@ export OMP_STACKSIZE=2048m
 case $MACHINE in
 
 
-"WCOSS_C" | "WCOSS")
+"WCOSS_CRAY")
 #
   { save_shell_opts; set +x; } > /dev/null 2>&1
 
@@ -117,6 +117,11 @@ case $MACHINE in
   ulimit -a
   ;;
 
+"WCOSS_DELL_P3")
+  ulimit -s unlimited
+  ulimit -a
+  APRUN="mpirun"
+  ;;
 
 "HERA")
   ulimit -s unlimited
@@ -286,7 +291,7 @@ Starting orography file generation..."
 case $MACHINE in
 
 
-"WCOSS_C" | "WCOSS")
+"WCOSS_CRAY")
 #
 # On WCOSS and WCOSS_C, use cfp to run multiple tiles simulatneously for
 # the orography.  For now, we have only one tile in the regional case,
@@ -312,6 +317,19 @@ ${tmp_dir}" \
   ;;
 
 
+"WCOSS_DELL_P3")
+
+  ufs_utils_ushdir="${UFS_UTILS_DIR}/ush"
+  res="0"  # What should this be set to???
+
+  "${exec_fp}" < "${input_redirect_fn}" || \
+    print_err_msg_exit "\
+Call to executable (exec_fp) that generates the raw orography file returned
+with nonzero exit code:
+  exec_fp = \"${exec_fp}\""
+  ;;
+
+
 "CHEYENNE" | "HERA" | "JET" | "ODIN" | "STAMPEDE")
   $APRUN "${exec_fp}" < "${input_redirect_fn}" || \
     print_err_msg_exit "\
diff --git a/scripts/exregional_make_sfc_climo.sh b/scripts/exregional_make_sfc_climo.sh
index c581f040a..b7709a615 100755
--- a/scripts/exregional_make_sfc_climo.sh
+++ b/scripts/exregional_make_sfc_climo.sh
@@ -128,14 +128,21 @@ EOF
 #
 case $MACHINE in
 
-"WCOSS_C")
-# This could be wrong.  Just a guess since I don't have access to this machine.
+"WCOSS_CRAY")
   APRUN=${APRUN:-"aprun -j 1 -n 6 -N 6"}
   ;;
 
-"WCOSS")
-# This could be wrong.  Just a guess since I don't have access to this machine.
-  APRUN=${APRUN:-"aprun -j 1 -n 6 -N 6"}
+"WCOSS_DELL_P3")
+
+# Specify computational resources.
+  export NODES=2
+  export ntasks=48
+  export ptile=24
+  export threads=1
+  export MP_LABELIO=yes
+  export OMP_NUM_THREADS=$threads
+
+  APRUN="mpirun"
   ;;
 
 "HERA")
diff --git a/ush/config_defaults.sh b/ush/config_defaults.sh
index c6dba8057..e5fa2d4be 100644
--- a/ush/config_defaults.sh
+++ b/ush/config_defaults.sh
@@ -1255,3 +1255,27 @@ HALO_BLEND=0
 #-----------------------------------------------------------------------
 #
 GWD_RRFS_v1beta_BASEDIR=""
+#
+#-----------------------------------------------------------------------
+#
+# USE_FVCOM:
+# Flag set to update surface conditions in FV3-LAM with fields generated
+# from the Finite Volume Community Ocean Model (FVCOM). This will
+# replace lake/sea surface temperature, ice surface temperature, and ice
+# placement. FVCOM data must already be interpolated to the desired
+# FV3-LAM grid. This flag will be used in make_ics to modify sfc_data.nc
+# after chgres_cube is run by running the routine process_FVCOM.exe
+#
+# FVCOM_DIR:
+# User defined directory where FVCOM data already interpolated to FV3-LAM
+# grid is located. File name in this path should be "fvcom.nc" to allow
+#
+# FVCOM_FILE:
+# Name of file located in FVCOM_DIR that has FVCOM data interpolated to 
+# FV3-LAM grid. This file will be copied later to a new location and name
+# changed to fvcom.nc
+#------------------------------------------------------------------------
+#
+USE_FVCOM="FALSE"
+FVCOM_DIR="/user/defined/dir/to/fvcom/data"
+FVCOM_FILE="fvcom.nc"
diff --git a/ush/setup.sh b/ush/setup.sh
index 892cf9522..1bd70a6ed 100755
--- a/ush/setup.sh
+++ b/ush/setup.sh
@@ -310,6 +310,27 @@ if [ "${DO_SPPT}" = "FALSE" ]; then
   SPPT_MAG=-999.0
 fi
 
+#
+#-----------------------------------------------------------------------
+#
+# Make sure that USE_FVCOM is set to a valid value and assign directory
+# and file names.
+#
+#-----------------------------------------------------------------------
+#
+check_var_valid_value "USE_FVCOM" "valid_vals_USE_FVCOM"
+#
+# Set USE_FVCOM to either "TRUE" or "FALSE" so we don't have to consider
+# other valid values later on.
+#
+USE_FVCOM=${USE_FVCOM^^}
+if [ "$USE_FVCOM" = "TRUE" ] || \
+   [ "$USE_FVCOM" = "YES" ]; then
+  USE_FVCOM="TRUE"
+elif [ "$USE_FVCOM" = "FALSE" ] || \
+     [ "$USE_FVCOM" = "NO" ]; then
+  USE_FVCOM="FALSE"
+fi
 #
 #-----------------------------------------------------------------------
 #
@@ -699,25 +720,13 @@ case $MACHINE in
 "WCOSS_CRAY")
   FIXgsm=${FIXgsm:-"/gpfs/hps3/emc/global/noscrub/emc.glopara/git/fv3gfs/fix/fix_am"}
   TOPO_DIR=${TOPO_DIR:-"/gpfs/hps3/emc/global/noscrub/emc.glopara/git/fv3gfs/fix/fix_orog"}
-  SFC_CLIMO_INPUT_DIR=${SFC_CLIMO_INPUT_DIR:-""}
+  SFC_CLIMO_INPUT_DIR=${SFC_CLIMO_INPUT_DIR:-"/gpfs/hps3/emc/global/noscrub/emc.glopara/git/fv3gfs/fix/fix_sfc_climo"}
   ;;
 
 "WCOSS_DELL_P3")
   FIXgsm=${FIXgsm:-"/gpfs/dell2/emc/modeling/noscrub/emc.glopara/git/fv3gfs/fix/fix_am"}
   TOPO_DIR=${TOPO_DIR:-"/gpfs/dell2/emc/modeling/noscrub/emc.glopara/git/fv3gfs/fix/fix_orog"}
-  SFC_CLIMO_INPUT_DIR=${SFC_CLIMO_INPUT_DIR:-""}
-  ;;
-
-"DELL")
-  FIXgsm=${FIXgsm:-"/gpfs/dell2/emc/modeling/noscrub/emc.glopara/git/fv3gfs/fix/fix_am"}
-  TOPO_DIR=${TOPO_DIR:-"/gpfs/dell2/emc/modeling/noscrub/emc.glopara/git/fv3gfs/fix/fix_orog"}
-  SFC_CLIMO_INPUT_DIR=${SFC_CLIMO_INPUT_DIR:-""}
-  ;;
-
-"THEIA")
-  FIXgsm=${FIXgsm:-"/scratch4/NCEPDEV/global/save/glopara/git/fv3gfs/fix/fix_am"}
-  TOPO_DIR=${TOPO_DIR:-"/scratch4/NCEPDEV/global/save/glopara/git/fv3gfs/fix/fix_orog"}
-  SFC_CLIMO_INPUT_DIR=${SFC_CLIMO_INPUT_DIR:-"/scratch4/NCEPDEV/da/noscrub/George.Gayno/climo_fields_netcdf"}
+  SFC_CLIMO_INPUT_DIR=${SFC_CLIMO_INPUT_DIR:-"/gpfs/dell2/emc/modeling/noscrub/emc.glopara/git/fv3gfs/fix/fix_sfc_climo"}
   ;;
 
 "HERA")
@@ -2766,6 +2775,18 @@ $( printf "\"%s\" \\\\\n" "${ALL_CDATES[@]}" )
 #
 #-----------------------------------------------------------------------
 #
+# If USE_FVCOM is set to TRUE, then FVCOM data (located in FVCOM_DIR
+# in FVCOM_FILE) will be used to update lower boundary conditions during
+# make_ics.
+#
+#-----------------------------------------------------------------------
+#
+USE_FVCOM="${USE_FVCOM}"
+FVCOM_DIR="${FVCOM_DIR}"
+FVCOM_FILE="${FVCOM_FILE}"
+#
+#-----------------------------------------------------------------------
+#
 # Computational parameters.
 #
 #-----------------------------------------------------------------------
diff --git a/ush/valid_param_vals.sh b/ush/valid_param_vals.sh
index 7c0c07315..2aad5c51d 100644
--- a/ush/valid_param_vals.sh
+++ b/ush/valid_param_vals.sh
@@ -72,3 +72,4 @@ valid_vals_DO_SHUM=("TRUE" "true" "YES" "yes" "FALSE" "false" "NO" "no")
 valid_vals_DO_SPPT=("TRUE" "true" "YES" "yes" "FALSE" "false" "NO" "no")
 valid_vals_DO_SKEB=("TRUE" "true" "YES" "yes" "FALSE" "false" "NO" "no")
 valid_vals_USE_ZMTNBLCK=("TRUE" "true" "YES" "yes" "FALSE" "false" "NO" "no")
+valid_vals_USE_FVCOM=("TRUE" "true" "YES" "yes" "FALSE" "false" "NO" "no")