diff --git a/Registry/Registry.EM_COMMON b/Registry/Registry.EM_COMMON
index 8b4e203bf2..ca1ce0dcce 100644
--- a/Registry/Registry.EM_COMMON
+++ b/Registry/Registry.EM_COMMON
@@ -3086,6 +3086,7 @@ package   drip           sf_surf_irr_alloc==2        -             state:irrigat
 package   sprinkler      sf_surf_irr_alloc==3        -             state:irrigation,irr_rand_field
 
 
+package   lesscheme      bl_pbl_physics==0           -             state:tke_pbl,el_pbl
 package   ysuscheme      bl_pbl_physics==1           -             -
 package   myjpblscheme   bl_pbl_physics==2           -             state:tke_pbl,el_pbl
 package   gfsscheme      bl_pbl_physics==3           -             -
diff --git a/share/module_check_a_mundo.F b/share/module_check_a_mundo.F
index 8acdd95e8f..287b67dfc8 100644
--- a/share/module_check_a_mundo.F
+++ b/share/module_check_a_mundo.F
@@ -385,6 +385,30 @@ END FUNCTION bep_bem_ngr_u
          END IF
       ENDDO
 
+!-----------------------------------------------------------------------
+! Check that LES PBL is only paired with acceptable other PBL options.
+! Currently OK: YSU(1), MYJ(2), ShinHong(11)
+!-----------------------------------------------------------------------
+      IF ( ( model_config_rec % bl_pbl_physics(1) .NE. lesscheme      ) .AND. &
+           ( model_config_rec % bl_pbl_physics(1) .NE. ysuscheme      ) .AND. &
+           ( model_config_rec % bl_pbl_physics(1) .NE. myjpblscheme   ) .AND. &
+           ( model_config_rec % bl_pbl_physics(1) .NE. shinhongscheme ) ) THEN 
+         DO i = 2, model_config_rec % max_dom
+            IF ( .NOT. model_config_rec % grid_allowed(i) ) CYCLE
+            IF ( model_config_rec % bl_pbl_physics(i) .EQ. LESscheme ) THEN
+               WRITE(wrf_err_message,fmt='(a,i2)') '--- ERROR: LES PBL on fine grid does not work with CG PBL option ',model_config_rec % bl_pbl_physics(1)
+               CALL wrf_message ( TRIM( wrf_err_message ) )
+               wrf_err_message = '--- ERROR: Only YSU(1), MYJPBL(2), and ShinHong(11) are acceptable options for LES PBL on the fine grid'
+               CALL wrf_message ( TRIM( wrf_err_message ) )
+               wrf_err_message = '--- ERROR: Fix bl_pbl_physics in namelist.input.'
+               CALL wrf_message ( TRIM( wrf_err_message ) )
+               wrf_err_message = '--- ERROR: Alternatively, remove all of the packaged variables from the CG PBL selection'
+               CALL wrf_message ( TRIM( wrf_err_message ) )
+               count_fatal_error = count_fatal_error + 1
+            END IF
+         ENDDO
+      END IF 
+
 !-----------------------------------------------------------------------
 ! Check that SMS-3DTKE scheme Must work with Revised MM5 surface layer 
 ! scheme (sf_sfclay_physics = 1), MYNN surface (sf_sfclay_physics = 5)