diff --git a/src/physics/cam/clubb_intr.F90 b/src/physics/cam/clubb_intr.F90
index 8159d1d63d..223ff0e5b5 100644
--- a/src/physics/cam/clubb_intr.F90
+++ b/src/physics/cam/clubb_intr.F90
@@ -53,18 +53,12 @@ module clubb_intr
   type (stats_metadata_type) :: &
     stats_metadata
 
-!$omp threadprivate(stats_metadata)
-
   type (hm_metadata_type) :: &
     hm_metadata
 
-!$omp threadprivate(hm_metadata)
-
   type (sclr_idx_type) :: &
     sclr_idx
 
-!$omp threadprivate(sclr_idx)
-
 #endif
 
   private
@@ -100,7 +94,7 @@ module clubb_intr
   real(r8), dimension(nparams), public :: clubb_params_single_col    ! Adjustable CLUBB parameters (C1, C2 ...)
 #endif
 
-  ! These are zero by default, but will be set by SILHS before 
+  ! These are zero by default, but will be set by SILHS before they are used by subcolumns
   integer :: &
       hydromet_dim = 0, & 
       pdf_dim      = 0
diff --git a/src/physics/cam/subcol_SILHS.F90 b/src/physics/cam/subcol_SILHS.F90
index af039a254a..c373ed6b3e 100644
--- a/src/physics/cam/subcol_SILHS.F90
+++ b/src/physics/cam/subcol_SILHS.F90
@@ -373,7 +373,7 @@ subroutine subcol_init_SILHS(pbuf2d)
           iiNi,         & ! Hydrometeor array index for ice concentration, Ni
           iiNg            ! Hydrometeor array index for graupel concentration, Ng
 
-      integer :: l  ! Loop variable
+      integer :: l, ierr=0  ! Loop variable, error check
 
       ! Set CLUBB's debug level
       ! This is called in module clubb_intr; no need to do it here.
@@ -474,8 +474,8 @@ subroutine subcol_init_SILHS(pbuf2d)
       !-------------------------------
       ! Set up hydrometeors and correlation arrays for SILHS
       !-------------------------------
-      allocate(corr_array_n_cloud(pdf_dim,pdf_dim))
-      allocate(corr_array_n_below(pdf_dim,pdf_dim))
+      allocate( corr_array_n_cloud(pdf_dim,pdf_dim), corr_array_n_below(pdf_dim,pdf_dim), stat=ierr)
+      if( ierr /= 0 ) call endrun(' subcol_init_SILHS: failed to allocate corr_array fields ')
 
       corr_file_path_cloud = trim( subcol_SILHS_corr_file_path )//trim( subcol_SILHS_corr_file_name )//cloud_file_ext
       corr_file_path_below = trim( subcol_SILHS_corr_file_path )//trim( subcol_SILHS_corr_file_name )//below_file_ext