diff --git a/modules/icing/pirep_goes.py b/modules/icing/pirep_goes.py
index 1b62287877d905604858e90ad7198067dc2b2774..1a94aa9740897587600876c808b020ad04e362e2 100644
--- a/modules/icing/pirep_goes.py
+++ b/modules/icing/pirep_goes.py
@@ -645,8 +645,8 @@ def process_boeing(ice_dct, no_ice_dct):
     ridxs = np.random.permutation(np.arange(no_ice_keys.shape[0]))
     no_ice_keys = no_ice_keys[ridxs]
     no_ice_tidx = no_ice_tidx[ridxs]
-    no_ice_keys = no_ice_keys[::10]
-    no_ice_tidx = no_ice_tidx[::10]
+    no_ice_keys = no_ice_keys[::20]
+    no_ice_tidx = no_ice_tidx[::20]
     print('no ice reduced: ', no_ice_keys.shape[0])
 
     sidxs = np.argsort(no_ice_keys)