diff --git a/sorc/ncep_post.fd/INITPOST_NETCDF.f b/sorc/ncep_post.fd/INITPOST_NETCDF.f
index ba78397e9..150c0d557 100644
--- a/sorc/ncep_post.fd/INITPOST_NETCDF.f
+++ b/sorc/ncep_post.fd/INITPOST_NETCDF.f
@@ -18,6 +18,7 @@
 !> 2022-03-22 | Wen Meng      | Read PWAT from model
 !> 2022-04-08 | Bo Cui        | 2D decomposition for unified fv3 read interfaces
 !> 2022-06-05 | Hui-Ya Chuang | Modify dx/dy computation for RRFS domain over north pole
+!> 2022-07-10 | Wen Meng      | Output lat/lon on four coner points of rotated lat-lon grids in text file.
 !>
 !> @author Hui-Ya Chuang @date 2016-03-04
       SUBROUTINE INITPOST_NETCDF(ncid2d,ncid3d)
@@ -71,7 +72,8 @@ SUBROUTINE INITPOST_NETCDF(ncid2d,ncid3d)
               ista, iend, ista_2l, iend_2u,iend_m
       use gridspec_mod, only: maptype, gridtype, latstart, latlast, lonstart, lonlast, cenlon,  &
               dxval, dyval, truelat2, truelat1, psmapf, cenlat,lonstartv, lonlastv, cenlonv,    &
-              latstartv, latlastv, cenlatv,latstart_r,latlast_r,lonstart_r,lonlast_r, STANDLON
+              latstartv, latlastv,cenlatv,latstart_r,latlast_r,lonstart_r,lonlast_r, STANDLON,  &
+              latse,lonse,latnw,lonnw
       use upp_physics, only: fpvsnew
 !- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
       implicit none
@@ -104,7 +106,7 @@ SUBROUTINE INITPOST_NETCDF(ncid2d,ncid3d)
       character(len=20)  :: VarName, VcoordName
       integer            :: Status, fldsize, fldst, recn, recn_vvel
       character             startdate*19,SysDepInfo*80,cgar*1
-      character             startdate2(19)*4
+      character             startdate2(19)*4, flatlon*40
       logical            :: read_lonlat=.true.
 ! 
 !     NOTE: SOME INTEGER VARIABLES ARE READ INTO DUMMY ( A REAL ). THIS IS OK
@@ -468,8 +470,8 @@ SUBROUTINE INITPOST_NETCDF(ncid2d,ncid3d)
           dyval=dum_const*gdsdegr
          end if
 
-         print*,'lonstart,latstart,cenlon,cenlat,dyval,dxval', &
-         lonstart,latstart,cenlon,cenlat,dyval,dxval
+!         print*,'lonstart,latstart,cenlon,cenlat,dyval,dxval', &
+!         lonstart,latstart,cenlon,cenlat,dyval,dxval
 
 ! Jili Dong add support for regular lat lon (2019/03/22) start
         else if(trim(varcharval)=='latlon')then
@@ -763,9 +765,13 @@ SUBROUTINE INITPOST_NETCDF(ncid2d,ncid3d)
         if(convert_rad_to_deg)then
          lonstart = nint(dummy(1,1)*gdsdegr)*180./pi
          lonlast  = nint(dummy(im,jm)*gdsdegr)*180./pi
+         lonse    = nint(dummy(im,1)*gdsdegr)*180./pi
+         lonnw    = nint(dummy(1,jm)*gdsdegr)*180./pi
         else
          lonstart = nint(dummy(1,1)*gdsdegr)
          lonlast  = nint(dummy(im,jm)*gdsdegr)
+         lonse    = nint(dummy(im,1)*gdsdegr)
+         lonnw    = nint(dummy(1,jm)*gdsdegr)
         end if
 
 ! Jili Dong add support for regular lat lon (2019/03/22) start
@@ -820,9 +826,13 @@ SUBROUTINE INITPOST_NETCDF(ncid2d,ncid3d)
         if(convert_rad_to_deg)then
          latstart = nint(dummy(1,1)*gdsdegr)*180./pi
          latlast  = nint(dummy(im,jm)*gdsdegr)*180./pi
+         latse    = nint(dummy(im,1)*gdsdegr)*180./pi
+         latnw    = nint(dummy(1,jm)*gdsdegr)*180./pi
         else
          latstart = nint(dummy(1,1)*gdsdegr)
          latlast  = nint(dummy(im,jm)*gdsdegr)
+         latse    = nint(dummy(im,1)*gdsdegr)
+         latnw    = nint(dummy(1,jm)*gdsdegr)
         end if
       end if
       print*,'laststart,latlast = ',latstart,latlast
@@ -3549,6 +3559,16 @@ SUBROUTINE INITPOST_NETCDF(ncid2d,ncid3d)
           WRITE(igdout)0
           WRITE(igdout)0
           WRITE(igdout)0
+         ELSE IF(MAPTYPE == 207)THEN !Rotated lat-lon grid
+           write(flatlon,1001)ifhr
+           open(112,file=trim(flatlon),form='formatted', &
+             status='unknown')
+           write(112,1002)LATSTART/1000,LONSTART/1000,&
+             LATSE/1000,LONSE/1000,LATNW/1000,LONNW/1000,&
+             LATLAST/1000,LONLAST/1000
+     1001 format('latlons_corners.txt.f',I3.3)
+     1002 format(4(I6,I7,X))
+           close(112)
         END IF
       end if
 !