Probabilistic Heavy Snow and Icing Discussion NWS Weather Prediction Center College Park MD 216 AM EDT Sun Oct 03 2021 Valid 12Z Sun Oct 03 2021 - 12Z Wed Oct 06 2021 For Days 1-3, the probability of heavy snow (4-inches or more) and significant icing (0.25 inch or more) is less than 10 percent. Weiss