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December 16, 2020 Weather Update 4:30 PM | Winter Storm Warning for Barnstable County Tonight and Thursday

Below please find the most recent information from the National Weather Service Boston regarding the winter storm for Wednesday night and Thursday.

UPDATES | 4:30 PM 12/16/2020

  • Upgraded to a Winter Storm Warning for Barnstable County
  • Hoisted High Wind Warnings for the Islands
  • Upgraded to Storm Warnings across all Southern Waters
  • Increased snowfall across NE MA, NE CT, and Northern RI

A winter storm will bring heavy snow, strong winds, coastal flooding, and hazardous marine conditions beginning between 7pm to 10pm tonight into Thursday. Expected snow fall totals projected are 8-12 inches in Southeast Massachusetts along/south of Mass Pike. Expected snow fall totals across interior Massachusetts have increased to 12-18 inches. Peak snowfall rates of 1- 2” are expected to occur in the overnight hours. Snowfall will taper off from west to east starting Thursday morning and ending statewide by early to mid-afternoon. Dry weather paired with colder temperatures and wind chill are anticipated on Thursday and Friday following the storm.


  • Significant snow accumulation is anticipated in southeastern Massachusetts creating issues with travel and commuting on Thursday morning.
  • Strong wind gusts
    • Blowing/drifting snow
    • Isolated/scattered power outages
    • Wind gusts between 45 – 55MPH along the coast and over Cape Cod and the Islands.
    • Winds will increase around midnight with the strongest wind gusts occurring between 7am and 1pm Thursday.
  • The Massachusetts coast including Cape Cod and the Islands could see minor to low- end moderate coastal flooding (1-2 feet of inundation) during high tide on early Thursday afternoon.
  • Flash freezing causing slick roads due to rapidly freezing temperatures may occur mid to late Thursday morning in in southeastern MA.

The Multi-Agency Coordination Center (MACC) continues to monitor this situation. The MACC is designed to provide local Emergency Operations Centers (EOCs) with resources and information during major countywide or regional incidents. The MACC captures, consolidates, and coordinates local requirements and communicates and coordinates with regional, state, federal, utility, and non-governmental resources to deliver requested resources back to the local EOCs.



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