Merge pull request #2 from hu5970/RRFS_GSL_post_merge_fix

Fixed several bugs in the code.

sorc/ncep_post.fd/MAPSSLP.f

@@ -29,7 +29,7 @@ SUBROUTINE MAPSSLP(TPRES)
       real,dimension(im,2) :: sdummy
       REAL,dimension(im,jm) :: GRID1, TH700
       INTEGER NSMOOTH
-      integer l, j, i, k, ii, jj 
+      integer l, j, i, k, ii, jj ,ll
       real dxm
 !-----------------------------------------------------------------------
 !***
@@ -38,23 +38,27 @@ SUBROUTINE MAPSSLP(TPRES)
         EXPo   = ROG*LAPSES
         EXPINV = 1./EXPo
 
+      ll=0
       DO L=1,LSM
-
+        if( SPL(L) == 70000. ) ll=l
+      ENDDO
+      if(ll > 0) then
 !$omp parallel do private(i,j)
         DO J=JSTA,JEND
           DO I=1,IM
-            if(SPL(L) == 70000. .and. TPRES(I,J,L) <spval)THEN
-              T700(i,j)  = TPRES(I,J,L) 
+            if(TPRES(I,J,LL) < spval)THEN
+              T700(i,j)  = TPRES(I,J,LL) 
               TH700(I,J) = T700(I,J)*(P1000/70000.)**CAPA
             else
               T700(i,j)  = spval
               TH700(I,J) = spval
             endif
           ENDDO
         ENDDO
-
-      ENDDO
-
+      else
+         T700  = spval
+         TH700 = spval
+      endif
 
 ! smooth 700 mb temperature first
        if(MAPTYPE==6) then

sorc/ncep_post.fd/MDL2P.f

@@ -146,6 +146,9 @@ SUBROUTINE MDL2P(iostatusD3D)
 !
 !     START MDL2P. 
 !
+      TPRS=SPVAL
+      QPRS=SPVAL
+      FPRS=SPVAL
       if (modelname == 'GFS') then
         zero = 0.0
        else

sorc/ncep_post.fd/MDLFLD.f

@@ -200,8 +200,8 @@ SUBROUTINE MDLFLD
       ALLOCATE(PBLRI  (IM,JSTA_2L:JEND_2U))    
 !     
 !     SECOND, STANDARD NGM SEA LEVEL PRESSURE.
+      CALL NGMSLP   ! this value is used in some later calculation.
       IF (IGET(105) > 0) THEN
-         CALL NGMSLP
 !$omp parallel do private(i,j)
            DO J=JSTA,JEND
              DO I=1,IM