diff --git a/modules/icing/pirep_goes.py b/modules/icing/pirep_goes.py
index afc286e68080d6176eae30f257901762a9aad298..7e55945892fad3eb9515e399f737f785886b5b9a 100644
--- a/modules/icing/pirep_goes.py
+++ b/modules/icing/pirep_goes.py
@@ -1045,7 +1045,8 @@ def apply_qc_icing_pireps(icing_alt, cld_top_hgt, cld_geo_dz, cld_phase, cld_opd
         opd_thick_threshold = 2
         opd_thin_threshold = 0.1
 
-    closeness = 50.0  # meters
+    closeness_top = 100.0  # meters
+    closeness_bot = 200.0  # meters
     num_obs = len(icing_alt)
     cld_mask = cld_mask.reshape((num_obs, -1))
     cld_top_hgt = cld_top_hgt.reshape((num_obs, -1))
@@ -1077,8 +1078,8 @@ def apply_qc_icing_pireps(icing_alt, cld_top_hgt, cld_geo_dz, cld_phase, cld_opd
             continue
 
         # Test 1
-        keep = np.where(keep, (cld_top_hgt[i,] + closeness) > icing_alt[i], False)
-        keep = np.where(keep, (cld_top_hgt[i,] - cld_geo_dz[i,] - closeness) < icing_alt[i], False)
+        keep = np.where(keep, (cld_top_hgt[i,] + closeness_top) > icing_alt[i], False)
+        keep = np.where(keep, (cld_top_hgt[i,] - cld_geo_dz[i,] - closeness_bot) < icing_alt[i], False)
 
         # # Test2
         # keep = np.where(keep,