diff --git a/modules/util/util.py b/modules/util/util.py
index 43ddc5e448247cd64e8a566624825fea70a10c72..5620545e05ed91848b70b11ae88e59c4790caa49 100644
--- a/modules/util/util.py
+++ b/modules/util/util.py
@@ -752,10 +752,16 @@ def write_icing_file_nc4(clvrx_str_time, output_dir, preds_dct, probs_dct, x, y,
 
     dim_0_name = 'x'
     dim_1_name = 'y'
-    geo_coords = 'y x'
+    time_dim_name = 'time'
+    geo_coords = 'time y x'
 
     dim_0 = rootgrp.createDimension(dim_0_name, size=x.shape[0])
     dim_1 = rootgrp.createDimension(dim_1_name, size=y.shape[0])
+    dim_time = rootgrp.createDimension(time_dim_name, size=1)
+
+    tvar = rootgrp.createVariable('time', 'f8', time_dim_name)
+    tvar[0] = get_timestamp(clvrx_str_time)
+    tvar.units = 'seconds since 1970-01-01 00:00:00'
 
     prob_s = []