diff --git a/Externals.cfg b/Externals.cfg
index c13eb54263..88f43bc461 100644
--- a/Externals.cfg
+++ b/Externals.cfg
@@ -3,7 +3,7 @@ protocol = git
 repo_url = https://github.com/ufs-community/regional_workflow
 # Specify either a branch name or a hash but not both.
 #branch = develop
-hash = 405553b
+hash = 3f83cde
 local_path = regional_workflow
 required = True
 
@@ -12,7 +12,7 @@ protocol = git
 repo_url = https://github.com/ufs-community/UFS_UTILS
 # Specify either a branch name or a hash but not both.
 #branch = develop
-hash = f30740e
+hash = 31271f7
 local_path = src/UFS_UTILS
 required = True
 
@@ -21,7 +21,7 @@ protocol = git
 repo_url = https://github.com/ufs-community/ufs-weather-model
 # Specify either a branch name or a hash but not both.
 #branch = develop
-hash = e593349
+hash = 96dffa1
 local_path = src/ufs-weather-model
 required = True
 
@@ -30,7 +30,7 @@ protocol = git
 repo_url = https://github.com/NOAA-EMC/UPP
 # Specify either a branch name or a hash but not both.
 #branch = develop
-hash = 4a16052
+hash = 394917e
 local_path = src/UPP
 required = True
 
diff --git a/env/build_gaea_intel.env b/env/build_gaea_intel.env
new file mode 100644
index 0000000000..f7ac329df1
--- /dev/null
+++ b/env/build_gaea_intel.env
@@ -0,0 +1,18 @@
+#Setup instructions for NOAA RDHPC Gaea using Intel-18.0.6.288 (bash shell)
+source /lustre/f2/pdata/esrl/gsd/contrib/lua-5.1.4.9/init/init_lmod.sh
+module use /lustre/f2/pdata/ncep_shared/hpc-stack/modulefiles/stack
+module load hpc hpc-intel hpc-cray-mpich
+module load srw_common
+
+module use /lustre/f2/pdata/esrl/gsd/contrib/modulefiles
+module load rocoto
+module load cmake/3.20.1
+
+export CC=cc
+export FC=ftn
+export CXX=CC
+export CMAKE_C_COMPILER=cc
+export CMAKE_CXX_COMPILER=CC
+export CMAKE_Fortran_COMPILER=ftn
+export CMAKE_Platform=gaea.intel
+
diff --git a/env/wflow_gaea.env b/env/wflow_gaea.env
new file mode 100644
index 0000000000..80d336b0f4
--- /dev/null
+++ b/env/wflow_gaea.env
@@ -0,0 +1,8 @@
+#Setup instructions for NOAA RDHPC Hera using Intel-18.0.5.274 (bash shell)
+
+module use /lustre/f2/pdata/esrl/gsd/contrib/modulefiles
+module load rocoto
+module load miniconda3
+
+export CONDA_DEFAULT_ENV=regional_workflow
+