diff --git a/modulefiles/module-setup.csh.inc b/modulefiles/module-setup.csh.inc
index 57051e84d0..b342cb9655 100644
--- a/modulefiles/module-setup.csh.inc
+++ b/modulefiles/module-setup.csh.inc
@@ -2,7 +2,13 @@ set __ms_shell=csh
 
 eval "if ( -d / ) set __ms_shell=tcsh"
 
-if ( { test -d /lfs3 } ) then
+if ( { test -d /lfs/f1 } ) then
+    # We are on NOAA Cactus or Dogwood
+    if ( ! { module help >& /dev/null } ) then
+        source /usr/share/lmod/lmod/init/$__ms_shell
+    fi
+    module reset
+else if ( { test -d /lfs3 } ) then
     if ( ! { module help >& /dev/null } ) then
             source /apps/lmod/lmod/init/$__ms_shell
     endif
diff --git a/modulefiles/module-setup.sh.inc b/modulefiles/module-setup.sh.inc
index b55643719c..419b308985 100644
--- a/modulefiles/module-setup.sh.inc
+++ b/modulefiles/module-setup.sh.inc
@@ -16,7 +16,13 @@ else
     __ms_shell=sh
 fi
 
-if [[ -d /lfs3 ]] ; then
+if [[ -d /lfs/f1 ]] ; then
+    # We are on NOAA Cactus or Dogwood
+    if ( ! eval module help > /dev/null 2>&1 ) ; then
+        source /usr/share/lmod/lmod/init/$__ms_shell
+    fi
+    module reset
+elif [[ -d /lfs3 ]] ; then
     # We are on NOAA Jet
     if ( ! eval module help > /dev/null 2>&1 ) ; then
         source /apps/lmod/lmod/init/$__ms_shell
diff --git a/modulefiles/module_base.wcoss2.lua b/modulefiles/module_base.wcoss2.lua
new file mode 100644
index 0000000000..5e7e9e7eea
--- /dev/null
+++ b/modulefiles/module_base.wcoss2.lua
@@ -0,0 +1,39 @@
+help([[
+Load environment to run GFS on WCOSS2
+]])
+
+load(pathJoin("PrgEnv-intel", "8.1.0"))
+load(pathJoin("craype", "2.7.10"))
+load(pathJoin("intel", "19.1.3.304"))
+load(pathJoin("cray-mpich", "8.1.9"))
+load(pathJoin("cray-pals", "1.0.17"))
+load(pathJoin("esmf", "8.0.1"))
+load(pathJoin("cfp", "2.0.4"))
+setenv("USE_CFP","YES")
+
+load(pathJoin("python", "3.8.6"))
+load(pathJoin("prod_envir", "2.0.4"))
+load(pathJoin("gempak", "7.14.1"))
+load(pathJoin("perl", "5.32.0"))
+load(pathJoin("libjpeg", "9c"))
+
+load(pathJoin("cdo", "1.9.8"))
+
+load(pathJoin("hdf5", "1.10.6"))
+load(pathJoin("netcdf", "4.7.4"))
+
+load(pathJoin("udunits", "2.2.28"))
+load(pathJoin("gsl", "2.7"))
+load(pathJoin("nco", "4.7.9"))
+load(pathJoin("prod_util", "2.0.9"))
+load(pathJoin("grib_util", "1.2.3"))
+load(pathJoin("bufr_dump", "1.0.0"))
+load(pathJoin("util_shared", "1.4.0"))
+load(pathJoin("crtm", "2.3.0"))
+load(pathJoin("g2tmpl", "1.9.1"))
+load(pathJoin("wgrib2", "2.0.7"))
+
+prepend_path("MODULEPATH", pathJoin("/lfs/h2/emc/global/save/emc.global/git/prepobs/v1.0.1/modulefiles"))
+load(pathJoin("prepobs", "1.0.1"))
+
+whatis("Description: GFS run environment")
diff --git a/modulefiles/modulefile.ww3.wcoss2.lua b/modulefiles/modulefile.ww3.wcoss2.lua
new file mode 100644
index 0000000000..8923ee6c7a
--- /dev/null
+++ b/modulefiles/modulefile.ww3.wcoss2.lua
@@ -0,0 +1,22 @@
+help([[
+Build environment for WW3 on WCOSS2 
+]])
+
+load(pathJoin("PrgEnv-intel", "8.1.0"))
+load(pathJoin("craype", "2.7.10"))
+load(pathJoin("intel", "19.1.3.304"))
+load(pathJoin("cray-mpich", "8.1.9"))
+
+load(pathJoin("cmake", "3.20.2"))
+
+load(pathJoin("jasper", "2.0.25"))
+load(pathJoin("zlib", "1.2.11"))
+load(pathJoin("libpng", "1.6.37"))
+
+load(pathJoin("bacio", "2.4.1"))
+load(pathJoin("g2", "3.4.5"))
+
+load(pathJoin("hdf5", "1.10.6"))
+load(pathJoin("netcdf", "4.7.4"))
+
+load(pathJoin("w3nco", "2.4.1"))
diff --git a/modulefiles/workflow_utils.wcoss2.lua b/modulefiles/workflow_utils.wcoss2.lua
new file mode 100644
index 0000000000..34b54a69c5
--- /dev/null
+++ b/modulefiles/workflow_utils.wcoss2.lua
@@ -0,0 +1,32 @@
+help([[
+Build environment for workflow utilities on WCOSS2
+]])
+
+load(pathJoin("PrgEnv-intel", "8.1.0"))
+load(pathJoin("craype", "2.7.10"))
+load(pathJoin("intel", "19.1.3.304"))
+load(pathJoin("cray-mpich", "8.1.9"))
+
+load(pathJoin("cmake", "3.20.2"))
+
+load(pathJoin("jasper", "2.0.25"))
+load(pathJoin("zlib", "1.2.11"))
+load(pathJoin("libpng", "1.6.37"))
+
+load(pathJoin("hdf5", "1.10.6"))
+load(pathJoin("netcdf", "4.7.4"))
+
+load(pathJoin("bacio", "2.4.1"))
+load(pathJoin("g2", "3.4.5"))
+load(pathJoin("ip", "3.3.3"))
+load(pathJoin("nemsio", "2.5.2"))
+load(pathJoin("sp", "2.3.3"))
+load(pathJoin("w3emc", "2.9.2"))
+load(pathJoin("w3nco", "2.4.1"))
+load(pathJoin("nemsiogfs", "2.5.3"))
+load(pathJoin("ncio", "1.0.0"))
+load(pathJoin("landsfcutil", "2.4.1"))
+load(pathJoin("sigio", "2.3.2"))
+load(pathJoin("bufr", "11.5.0"))
+
+load(pathJoin("wgrib2", "2.0.8"))
diff --git a/sorc/link_workflow.sh b/sorc/link_workflow.sh
index ff77012228..62ff535e04 100755
--- a/sorc/link_workflow.sh
+++ b/sorc/link_workflow.sh
@@ -8,16 +8,16 @@ machine=${2}
 
 if [ $# -lt 2 ]; then
     echo '***ERROR*** must specify two arguements: (1) RUN_ENVIR, (2) machine'
-    echo ' Syntax: link_workflow.sh ( nco | emc ) ( hera | orion | jet | stampede )'
+    echo ' Syntax: link_workflow.sh ( nco | emc ) ( wcoss2 | hera | orion | jet | stampede )'
     exit 1
 fi
 
 if [ $RUN_ENVIR != emc -a $RUN_ENVIR != nco ]; then
-    echo ' Syntax: link_workflow.sh ( nco | emc ) ( hera | orion | jet | stampede )'
+    echo ' Syntax: link_workflow.sh ( nco | emc ) ( wcoss2 | hera | orion | jet | stampede )'
     exit 1
 fi
-if [ $machine != hera -a $machine != orion -a $machine != jet -a $machine != stampede ]; then
-    echo ' Syntax: link_workflow.sh ( nco | emc ) ( hera | orion | jet | stampede )'
+if [ $machine != wcoss2 -a $machine != hera -a $machine != orion -a $machine != jet -a $machine != stampede ]; then
+    echo ' Syntax: link_workflow.sh ( nco | emc ) ( wcoss2 | hera | orion | jet | stampede )'
     exit 1
 fi
 
@@ -34,7 +34,9 @@ $LINK ufs_model.fd/FV3/upp upp.fd
 #------------------------------
 #--model fix fields
 #------------------------------
-if [ $machine = "hera" ]; then
+if [ $machine = "wcoss2" ]; then
+    FIX_DIR="/lfs/h2/emc/global/noscrub/emc.global/FIX/fix_NEW"
+elif [ $machine = "hera" ]; then
     FIX_DIR="/scratch1/NCEPDEV/global/glopara/fix_NEW"
 elif [ $machine = "orion" ]; then
     FIX_DIR="/work/noaa/global/glopara/fix_NEW"
diff --git a/sorc/machine-setup.sh b/sorc/machine-setup.sh
index 27c4d33ee9..74c7a705de 100644
--- a/sorc/machine-setup.sh
+++ b/sorc/machine-setup.sh
@@ -20,7 +20,16 @@ target=""
 USERNAME=$(echo $LOGNAME | awk '{ print tolower($0)'})
 ##---------------------------------------------------------------------------
 export hname=$(hostname | cut -c 1,1)
-if [[ -d /work ]] ; then
+if [[ -d /lfs/f1 ]] ; then
+    # We are on NOAA Cactus or Dogwood
+    if ( ! eval module help > /dev/null 2>&1 ) ; then
+        echo load the module command 1>&2
+        source /usr/share/lmod/lmod/init/$__ms_shell
+    fi
+    target=wcoss2
+    module reset
+
+elif [[ -d /work ]] ; then
     # We are on MSU Orion
     if ( ! eval module help > /dev/null 2>&1 ) ; then
         echo load the module command 1>&2
diff --git a/ush/load_fv3gfs_modules.sh b/ush/load_fv3gfs_modules.sh
index 3979d9184d..73aa0fbd06 100755
--- a/ush/load_fv3gfs_modules.sh
+++ b/ush/load_fv3gfs_modules.sh
@@ -15,7 +15,10 @@ source "$HOMEgfs/modulefiles/module-setup.sh.inc"
 # Load our modules:
 module use "$HOMEgfs/modulefiles"
 
-if [[ -d /lfs3 ]] ; then
+if [[ -d /lfs/f1 ]]; then
+  # We are on WCOSS2 (Cactus or Dogwood)
+  module load module_base.wcoss2
+elif [[ -d /lfs3 ]] ; then
   # We are on NOAA Jet
   module load module_base.jet
 elif [[ -d /scratch1 ]] ; then