diff --git a/modules/icing/pirep_goes.py b/modules/icing/pirep_goes.py
index 6679ff74ad93ef6010bdc74d480264f3d12d71b2..54ace0c9be3c99dd34e3dfc04743088e043ffd73 100644
--- a/modules/icing/pirep_goes.py
+++ b/modules/icing/pirep_goes.py
@@ -1308,7 +1308,7 @@ def run_mean_std_2(check_cloudy=False, no_icing_to_icing_ratio=5, params=train_p
     # return mean_std_dct
 
 
-def split_data(num_obs, perc=0.2, skip=1, shuffle=True):
+def split_data(num_obs, perc=0.2, skip=1, shuffle=True, seed=None):
     idxs = np.arange(num_obs)
     idxs = list(idxs)
 
@@ -1323,6 +1323,9 @@ def split_data(num_obs, perc=0.2, skip=1, shuffle=True):
     test_idxs = np.array(test_idxs)
     train_idxs = np.array(train_idxs)
 
+    if seed is not None:
+        np.random.seed(seed)
+
     if shuffle:
         np.random.shuffle(test_idxs)
         np.random.shuffle(train_idxs)