Severe Weather Coordination Message #1 – Monday 8/30/21 Severe Weather Potential & Late Wednesday Evening 9/1/21-Thursday Evening 9/2/21 Ida Remnant Impacts

Hello to all…

..Isolated to Scattered Strong to Severe Thunderstorms are possible Monday Afternoon and Evening across much of Southern New England from roughly the Connecticut River Valley east to the coastal areas of Southern New England. Strong to damaging winds, hail, frequent lightning and heavy rainfall with urban and poor drainage flooding are the main threats. The Storm Prediction Center (SPC) has placed much of Southern New England in a marginal risk for severe weather. Severe weather potential timeframe is between 1-9 PM Monday..
..Key factors in severe weather potential today is for higher levels of instability to compensate for lower wind shear values over the region..
..The remnants of Ida will affect Southern New England with the potential for heavy rainfall, the potential for urban, poor drainage, river, stream and flash flooding and isolated to scattered severe thunderstorm potential late Wednesday to late Thursday. Additional details on impacts of Ida will be posted in future coordination messages..
..SKYWARN Self-Activation will monitor the severe weather potential for Monday Afternoon and Evening and again for the remnants of Ida late Wednesday into late Thursday. This will be the only coordination message on the Monday severe weather potential. Below is the NWS Boston/Norton Area Forecast Discussion, Enhanced Hazardous Weather Outlook and SPC Day-1 Convective Outlook..

NWS Boston/Norton Area Forecast Discussion:
https://kamala.cod.edu/ma/latest.fxus61.KBOX.html

NWS Boston/Norton Enhanced Hazardous Weather Outlook:
https://www.weather.gov/box/ehwo

SPC Day-1 Convective Outlook:
https://www.spc.noaa.gov/products/outlook/day1otlk.html

Respectfully Submitted,

Robert Macedo (KD1CY)
ARES SKYWARN Coordinator
Eastern Massachusetts ARES Section Emergency Coordinator
Home Phone #: (508) 994-1875 (After 6 PM)
Home/Data #: (508) 997-4503 (After 6 PM)
Work Phone #: 508-346-2929 (8 AM-5 PM)
Email Address: rmacedo@rcn.com
http://ares.ema.arrl.org
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