diff --git a/scripts/exregional_run_prepstart.sh b/scripts/exregional_run_prepstart.sh
index 10c892c17..4fd1be68e 100755
--- a/scripts/exregional_run_prepstart.sh
+++ b/scripts/exregional_run_prepstart.sh
@@ -352,6 +352,10 @@ if [ ${HH} -eq ${SST_update_hour} ] && [ ${cycle_type} == "prod" ] ; then
       cp ${SST_ROOT}/latest.SST .
    elif [ -r "${SST_ROOT}/${YYJJJ00000000}" ]; then
       cp ${SST_ROOT}/${YYJJJ00000000} latest.SST
+   elif [ -r "${SST_ROOT}/sst.$YYYYMMDD/rtgssthr_grb_0.083.grib2" ]; then 
+      cp ${SST_ROOT}/sst.$YYYYMMDD/rtgssthr_grb_0.083.grib2 latest.SST
+   elif [ -r "${SST_ROOT}/sst.$YYYYMMDDm1/rtgssthr_grb_0.083.grib2" ]; then 
+      cp ${SST_ROOT}/sst.$YYYYMMDDm1/rtgssthr_grb_0.083.grib2 latest.SST
    else
      echo "${SST_ROOT} data does not exist!!"
      echo "ERROR: No SST update at ${time_str}!!!!"
diff --git a/ush/config.sh.RRFS_NA_3km b/ush/config.sh.RRFS_NA_3km
index a26fd8848..b21698bf2 100644
--- a/ush/config.sh.RRFS_NA_3km
+++ b/ush/config.sh.RRFS_NA_3km
@@ -1,9 +1,11 @@
 MACHINE="jet"
+
 ACCOUNT="nrtrr"
 RESERVATION="rrfsdet"
 EXPT_BASEDIR="/home/rtrr/RRFS"
 EXPT_SUBDIR="RRFS_NA_3km_dev1"
 
+
 PARTITION_GRAPHICS=kjet,xjet
 
 if [[ -n $RESERVATION ]] ; then
@@ -16,6 +18,7 @@ else
   PARTITION_DEFAULT=kjet
 fi
 
+
 if [[ $MACHINE == "hera" ]] ; then
   ACCOUNT="wrfruc"
   PARTITION_DEFAULT=""
@@ -23,6 +26,14 @@ if [[ $MACHINE == "hera" ]] ; then
   QUEUE_ANALYSIS="batch"
 fi
 
+if [[ $MACHINE == "wcoss_dell_p3" ]] ; then
+  ACCOUNT=HRRR-T2O
+  RESERVATION="rrfsdet"
+  QUEUE_ANALYSIS="dev"
+  QUEUE_HPSS="dev"
+  EXPT_BASEDIR="/gpfs/dell6/emc/modeling/noscrub/Shun.Liu/rrfs_dev1/test"
+fi
+
 VERBOSE="TRUE"
 SAVE_CYCLE_LOG="TRUE"
 
@@ -45,13 +56,13 @@ LBC_SPEC_INTVL_HRS="1"
 EXTRN_MDL_LBCS_OFFSET_HRS="6"
 EXTRN_MDL_LBCS_SEARCH_OFFSET_HRS="0"
 
-DATE_FIRST_CYCL="20220201"
-DATE_LAST_CYCL="20220330"
+DATE_FIRST_CYCL="20220214"
+DATE_LAST_CYCL="20220228"
 CYCL_HRS=( "00" )
 CYCL_HRS_SPINSTART=("03" "15")
 CYCL_HRS_PRODSTART=("09" "21")
-CYCLEMONTH="2,3"
-CYCLEDAY="*"
+CYCLEMONTH="1"
+CYCLEDAY="14-28"
 #
 PREEXISTING_DIR_METHOD="upgrade"
 INITIAL_CYCLEDEF="${DATE_FIRST_CYCL}0300 ${DATE_LAST_CYCL}2300 12:00:00"
@@ -80,7 +91,6 @@ GVF_update_hour=04
 USE_FVCOM="TRUE"
 FVCOM_DIR="/mnt/lfs4/BMC/public/data/grids/glerl/owaq"
 FVCOM_FILE="tsfc_fv3grid"
-
 NCORES_RUN_ANAL=240
 WTIME_RUN_ANAL="01:00:00"
 HYBENSMEM_NMIN=66
@@ -155,3 +165,9 @@ COMINgfs=""
 STMP="/lfs4/BMC/nrtrr/NCO_dirs/stmp"  # Path to directory STMP that mostly contains input files.
 PTMP="/lfs4/BMC/nrtrr/NCO_dirs/ptmp"  # Path to directory STMP that mostly contains input files.
 NWGES="/lfs4/BMC/nrtrr/NCO_dirs/nwges"  # Path to directory NWGES that save boundary, cold initial, restart files
+
+if [[ $MACHINE == "WCOSS_DELL_P3" ]] ; then
+STMP="/gpfs/dell1/ptmp/Shun.Liu/stmp"  # Path to directory STMP that mostly contains input file
+PTMP="/gpfs/dell1/ptmp/Shun.Liu/ptmp"  # Path to directory STMP that mostly contains input files.
+NWGES="/gpfs/dell1/ptmp/Shun.Liu/nwges"  # Path to directory NWGES that save boundary, cold initial, restart files
+fi
diff --git a/ush/set_rrfs_config.sh b/ush/set_rrfs_config.sh
index c06db9205..eed3708d4 100644
--- a/ush/set_rrfs_config.sh
+++ b/ush/set_rrfs_config.sh
@@ -21,6 +21,12 @@ if [[ $MACHINE == "hera" ]] ; then
   ENKF_FCST=/scratch1/NCEPDEV/rstprod/com/gfs/prod
 fi
 
+if [[ $MACHINE == "wcoss_dell_p3" ]] ; then
+  OBSPATH=/gpfs/hps/nco/ops/com/rap/prod
+  OBSPATH_NSSLMOSIAC=/gpfs/dell1/nco/ops/dcom/prod/ldmdata/obs/upperair/mrms/conus
+  SST_ROOT=/gpfs/dell1/nco/ops/com/gfs/prod
+fi
+
 # set up for retrospective test:
 if [[ $DO_RETRO == "TRUE" ]] ; then