Good afternoon,

Sorry for multiple emails, but a correction has been made to the briefing. Please see this briefing for the latest information.

A cold front will slide in from the west Friday afternoon and into the evening. Ahead of the front, a few severe thunderstorms may develop. Little if any lightning is expected with these storms.

The graphics attached are the severe thunderstorm outlook for southern New England for March 20, 2020, hazards expected and a reminder of the SPC Severe Weather Outlook definitions. 

There is potential for a coastal storm to impact southern New England Monday into Tuesday with accumulating snow possible. Folks should stay tuned to the forecast over the weekend.

What:
  •  A few severe thunderstorms are possible with the main threats of:
    • Damaging Wind Gusts
    • Heavy Downpours
    • Low risk of a tornado
When and Where:
  • During Friday afternoon and into the evening. Roughly between 4-8 PM.
    • Between 4-6 PM western MA and CT
    • Between 6-8 PM RI and eastern MA
Uncertainty:
  • Showers may develop during the morning into the early afternoon, which could inhibit storms from becoming strong
Expect an updated briefing no later than 6 AM Friday. 

Thanks,
Meteorologists Frank Nocera and Bill Leatham

If you have any questions or would like more information, don't hesitate to contact us via this email address, on NWSChat, or at the following:

National Weather Service Boston/Norton, MA
46 Commerce Way
Norton, MA 02766
508.622.3280
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