diff --git a/modules/util/util.py b/modules/util/util.py
index 848e988feb15ebbb2cfd305e16d3c86dd2b489c1..8ad1d742cdf1d9e842ae3575e88b3e33ca650522 100644
--- a/modules/util/util.py
+++ b/modules/util/util.py
@@ -1439,6 +1439,11 @@ def smooth_2d(z, sigma=1.0):
     return np.stack(z_smoothed)
 
 
+# For [Y, X], see above
+def smooth_2d_single(z, sigma=1.0):
+    return gaussian_filter(z, sigma=sigma)
+
+
 def get_training_parameters(day_night='DAY', l1b_andor_l2='both', satellite='GOES16', use_dnb=False):
     if day_night == 'DAY':
         train_params_l2 = ['cld_height_acha', 'cld_geo_thick', 'cld_temp_acha', 'cld_press_acha', 'supercooled_cloud_fraction',