diff --git a/sorc/cpld_gridgen.fd/charstrings.F90 b/sorc/cpld_gridgen.fd/charstrings.F90
index 00deab1b4..0e7b5a19b 100644
--- a/sorc/cpld_gridgen.fd/charstrings.F90
+++ b/sorc/cpld_gridgen.fd/charstrings.F90
@@ -15,7 +15,7 @@ module charstrings
   character(len=CL) :: dirout                                               !< The directory where output files will be written
   character(len=CL) :: fv3dir                                               !< The directory containing the FV3 mosaic files
   character(len=CS) :: res                                                  !< The Ocean/Ice resolution, e.g. 500 (5deg), 100 (1deg)
-  !! 050 (1/2deg), 025 (1/4deg)
+                                                                            !! 050 (1/2deg), 025 (1/4deg)
   character(len=CS) :: atmres                                               !< The ATM resolution, e.g. C96, C192, C384
   character(len=CL) :: logmsg                                               !< An informational message
 
diff --git a/sorc/cpld_gridgen.fd/postwgts.F90 b/sorc/cpld_gridgen.fd/postwgts.F90
index 4ff0bc0fa..dfa1c9616 100644
--- a/sorc/cpld_gridgen.fd/postwgts.F90
+++ b/sorc/cpld_gridgen.fd/postwgts.F90
@@ -29,6 +29,7 @@ subroutine make_postwgts
 
     character(len=CM), dimension(2) :: methodname = (/'conserve', 'bilinear'/)
 
+    type(ESMF_RouteHandle)       :: rh
     type(ESMF_RegridMethod_Flag) :: method
     ! the number of possible destination grids depends on the source grid resolution
     integer :: k,rc,nd,ndest
@@ -71,8 +72,8 @@ subroutine make_postwgts
        print '(a)',trim(logmsg)
 
        call ESMF_RegridWeightGen(srcFile=trim(fsrc),dstFile=trim(fdst), &
-            weightFile=trim(fwgt), regridmethod=method, &
-            ignoreDegenerate=.true., &
+            weightFile=trim(fwgt), regridmethod=method,                 &
+            ignoreDegenerate=.true.,                                    &
             unmappedaction=ESMF_UNMAPPEDACTION_IGNORE, rc=rc)
        if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
             line=__LINE__, file=__FILE__)) call ESMF_Finalize(endflag=ESMF_END_ABORT)
@@ -98,8 +99,8 @@ subroutine make_postwgts
           print '(a)',trim(logmsg)
 
           call ESMF_RegridWeightGen(srcFile=trim(fsrc),dstFile=trim(fdst), &
-               weightFile=trim(fwgt), regridmethod=method, &
-               ignoreDegenerate=.true., &
+               weightFile=trim(fwgt), regridmethod=method,                 &
+               ignoreDegenerate=.true., regridRouteHandle=rh,              &
                unmappedaction=ESMF_UNMAPPEDACTION_IGNORE, rc=rc)
           if (ESMF_LogFoundError(rcToCheck=rc, msg=ESMF_LOGERR_PASSTHRU, &
                line=__LINE__, file=__FILE__)) call ESMF_Finalize(endflag=ESMF_END_ABORT)
diff --git a/ush/cpld_gridgen.sh b/ush/cpld_gridgen.sh
index a23d44a3d..abed8df3e 100755
--- a/ush/cpld_gridgen.sh
+++ b/ush/cpld_gridgen.sh
@@ -65,6 +65,9 @@ if [ $RESNAME = 100 ]; then
     if [ $DO_POSTWGTS == .true. ]; then
 	#pre-generate SCRIP files for dst rectilinear grids using NCO
 	ncremap -g ${OUTDIR_PATH}/rect.1p0_SCRIP.nc -G latlon=181,360#lon_typ=grn_ctr#lat_typ=cap
+	export FSRC=${OUTDIR_PATH}/rect.1p0_SCRIP.nc
+	export FDST=${OUTDIR_PATH}/rect.1p0_mesh.nc
+	$APRUN -n 1 ESMF_Scrip2Unstruct ${FSRC} ${FDST} 0
     fi
 fi
 
@@ -77,6 +80,12 @@ if [ $RESNAME = 050 ]; then
 	#pre-generate SCRIP files for dst rectilinear grids using NCO
 	ncremap -g ${OUTDIR_PATH}/rect.1p0_SCRIP.nc -G latlon=181,360#lon_typ=grn_ctr#lat_typ=cap
 	ncremap -g ${OUTDIR_PATH}/rect.0p5_SCRIP.nc -G latlon=361,720#lon_typ=grn_ctr#lat_typ=cap
+	export FSRC=${OUTDIR_PATH}/rect.1p0_SCRIP.nc
+	export FDST=${OUTDIR_PATH}/rect.1p0_mesh.nc
+	$APRUN -n 1 ESMF_Scrip2Unstruct ${FSRC} ${FDST} 0
+	export FSRC=${OUTDIR_PATH}/rect.0p5_SCRIP.nc
+	export FDST=${OUTDIR_PATH}/rect.0p5_mesh.nc
+	$APRUN -n 1 ESMF_Scrip2Unstruct ${FSRC} ${FDST} 0
     fi
 fi
 
@@ -90,6 +99,15 @@ if [ $RESNAME = 025 ]; then
 	ncremap -g ${OUTDIR_PATH}/rect.1p0_SCRIP.nc -G latlon=181,360#lon_typ=grn_ctr#lat_typ=cap
 	ncremap -g ${OUTDIR_PATH}/rect.0p5_SCRIP.nc -G latlon=361,720#lon_typ=grn_ctr#lat_typ=cap
 	ncremap -g ${OUTDIR_PATH}/rect.0p25_SCRIP.nc -G latlon=721,1440#lon_typ=grn_ctr#lat_typ=cap
+	export FSRC=${OUTDIR_PATH}/rect.1p0_SCRIP.nc
+	export FDST=${OUTDIR_PATH}/rect.1p0_mesh.nc
+	$APRUN -n 1 ESMF_Scrip2Unstruct ${FSRC} ${FDST} 0
+	export FSRC=${OUTDIR_PATH}/rect.0p5_SCRIP.nc
+	export FDST=${OUTDIR_PATH}/rect.0p5_mesh.nc
+	$APRUN -n 1 ESMF_Scrip2Unstruct ${FSRC} ${FDST} 0
+	export FSRC=${OUTDIR_PATH}/rect.0p25_SCRIP.nc
+	export FDST=${OUTDIR_PATH}/rect.0p25_mesh.nc
+	$APRUN -n 1 ESMF_Scrip2Unstruct ${FSRC} ${FDST} 0
     fi
 fi