diff --git a/modules/icing/pirep_goes.py b/modules/icing/pirep_goes.py
index 1131fc88c9ceb6392c06f46c30be06a0241aa85f..f5549f5b26a3db9df3ef1095a9dec8d3be1e2462 100644
--- a/modules/icing/pirep_goes.py
+++ b/modules/icing/pirep_goes.py
@@ -1913,7 +1913,7 @@ def run_predict(clvrx_dir='/Users/tomrink/data/clavrx/RadC/', ckpt_dir_s_path='/
         clvrx_ds = CLAVRx(clvrx_dir)
     clvrx_files = clvrx_ds.flist
 
-    x_rad, y_rad, lons_2d, lats_2d = None
+    x_rad, y_rad, lons_2d, lats_2d = None, None, None, None
 
     for fidx, fname in enumerate(clvrx_files):
         h5f = h5py.File(fname, 'r')
@@ -1941,4 +1941,4 @@ def run_predict(clvrx_dir='/Users/tomrink/data/clavrx/RadC/', ckpt_dir_s_path='/
         #write_icing_file(clvrx_str_time, preds_2d, x_rad, y_rad, lons_2d, lats_2d)
 
         print('Done: ', clvrx_str_time)
-        h5f.close()
\ No newline at end of file
+        h5f.close()