diff --git a/modules/util/plot.py b/modules/util/plot.py
index a3adf10ef7710f585f60297b5a6aef46d285b8f8..831094dc906c88c00f5bf441c84f229f79ff79a6 100644
--- a/modules/util/plot.py
+++ b/modules/util/plot.py
@@ -259,7 +259,7 @@ def make_icing_image(h5f, probs, ice_lons, ice_lats, clvrx_str_time, satellite,
     if probs is not None:
         # p_im = ax.imshow(probs, cmap='Purples', origin='upper', extent=(xmin, xmax, ymin, ymax),
         p_im = ax.imshow(probs, cmap='jet', origin='upper', extent=(xmin, xmax, ymin, ymax),
-                         vmin=0.55, vmax=1.0, alpha=0.8, transform=geos)
+                         vmin=0.50, vmax=1.0, alpha=0.8, transform=geos)
     ax.coastlines(resolution='50m', color='green', linewidth=1.50)
     ax.add_feature(ccrs.cartopy.feature.STATES, linewidth=1.50, edgecolor='green')
     ax.add_feature(ccrs.cartopy.feature.BORDERS, linewidth=1.50, edgecolor='green')