diff --git a/scripts/exgdas_atmos_post.sh b/scripts/exgdas_atmos_post.sh
index a1753b7fe8..d7533b1ae7 100755
--- a/scripts/exgdas_atmos_post.sh
+++ b/scripts/exgdas_atmos_post.sh
@@ -228,7 +228,10 @@ else   ## not_anl if_stimes
     # add new environmental variables for running new ncep post
     # Validation date
 
+    # No shellcheck, NDATE is not a typo
+    # shellcheck disable=SC2153
     VDATE="$(${NDATE} "+${fhr}" "${PDY}${cyc}")"
+    # shellcheck disable=
     export VDATE
 
     # set to 3 to output lat/lon grid
diff --git a/scripts/exgfs_atmos_post.sh b/scripts/exgfs_atmos_post.sh
index ab0a84ba09..3975da594d 100755
--- a/scripts/exgfs_atmos_post.sh
+++ b/scripts/exgfs_atmos_post.sh
@@ -280,7 +280,10 @@ else   ## not_anl if_stime
       export IGEN=${IGEN_ANL}
     fi
 
+    # No shellcheck, NDATE is not a typo
+    # shellcheck disable=SC2153
     VDATE="$(${NDATE} "+${fhr}" "${PDY}${cyc}")"
+    # shellcheck disable=
     export VDATE
     export OUTTYP=${OUTTYP:-4}
     export GFSOUT="${PREFIX}gfsio${fhr}"