diff --git a/modules/util/viirs_surfrad.py b/modules/util/viirs_surfrad.py
index 6a83650f2c348074c4f8d06bca7ac54a55578c83..ad03cd7ab66beccd3cda9df914f6a91ab29f6b26 100644
--- a/modules/util/viirs_surfrad.py
+++ b/modules/util/viirs_surfrad.py
@@ -29,8 +29,8 @@ keep_out_opd = ['/ships19/cloud/scratch/cphillips/clavrx/run_viirs_superres/site
 keep_out = keep_out_opd
 
 
-target_param = 'cloud_probability'
-# target_param = 'cld_opd_dcomp'
+# target_param = 'cloud_probability'
+target_param = 'cld_opd_dcomp'
 
 group_name_i = 'super/'
 group_name_m = 'orig/'
@@ -78,14 +78,26 @@ def process_cld_prob(grd_k):
     return grd_k
 
 
+# def process_cld_opd(grd_k):
+#     keep = np.invert(np.isnan(grd_k))
+#     num_keep = np.sum(keep)
+#     grd_k = np.where(np.invert(keep), 0, grd_k)
+#     keep = np.where(keep, np.logical_and(0.1 < grd_k, grd_k < 158.0), False)
+#     frac_keep = np.sum(keep)/num_keep
+#     if frac_keep < 0.50:
+#         return None
+#     return grd_k
+
 def process_cld_opd(grd_k):
     keep = np.invert(np.isnan(grd_k))
     num_keep = np.sum(keep)
-    grd_k = np.where(np.invert(keep), 0, grd_k)
-    keep = np.where(keep, np.logical_and(0.1 < grd_k, grd_k < 158.0), False)
-    frac_keep = np.sum(keep)/num_keep
-    if frac_keep < 0.50:
+    keep_vthin = np.where(keep, grd_k < 0.01, False)
+    keep_vthik = np.where(keep, grd_k < 150.0, False)
+    frac_vthin = np.sum(keep_vthin) / num_keep
+    frac_vthik = np.sum(keep_vthik) / num_keep
+    if not (frac_vthin >= 0.10 and frac_vthik >= 0.10):
         return None
+    grd_k = np.where(np.invert(keep), 0, grd_k)
     return grd_k