National Weather Service United States Department of Commerce

Fresh Snow and Temperature Outlook Ahead of Christmas Day

If you are looking for fresh snow by Christmas morning or are curious about potential travel disruptions, the best chances for at least 1" of new snowfall early this week exist across the mountainous West, Great Lakes, and Northeast. Otherwise, temperatures this last full week of December will average above normal for much of the lower 48 states. Read More >

Allison Allen's photo


Allison Allen
Director, Analyze, Forecast and Support Office
National Weather Service


Allison (Allie) Allen is the NWS Analyze, Forecast, and Support (AFS) Director. In this role, she oversees both the AFS Portfolio and the AFS Office, including the 11 national service programs (tropical, space, severe, public, winter, water, marine, tsunami, fire, aviation, and climate) and the mission support programs. The AFS portfolio supports budgetary, planning, policy, and execution aspects of field operations and is responsible for translating field and programmatic requirements into annual operating plans.

Allie previously served as the NWS Chief of the Marine, Tropical and Tsunami Services Branch from 2016 to 2021. Prior to coming to NWS, Allie spent 14 years as an oceanographer at the National Ocean Service’s Center for Operational Oceanographic Products and Services from 2002 to 2016.

Allie holds a Master’s Certificate in Project Management from George Washington University School of Business and her Bachelor’s Degree from Colgate University. She is married with two daughters and calls Maryland home.

Back to NWS Biographies Page