Severe Weather Coordination Message #1 – Thursday 6/11/26 & Friday 6/12/26 Intense Heat & Severe Weather Potential
Hello to all…
..Intense heat and humidity Thursday into Friday will set the stage for isolated to scattered strong to severe thunderstorms with strong to damaging winds, hail, frequent lightning and heavy downpours leading to urban and poor drainage flooding as the main threats..
..The Storm Prediction Center (SPC) has Southwest Massachusetts and Western Connecticut in a Marginal Risk for severe weather for Thursday and Western/Central Massachusetts and Connecticut in a slight risk for severe weather with the rest of Southern New England in a marginal risk for severe weather on Friday..
..A Heat Advisory is in effect from Noon Thursday to 8 PM Friday for Northern Connecticut, Providence, Kent Counties of Rhode Island, Franklin, Hampshire, Hampden, Worcester, Central and Southeast Middlesex, Western Essex, Western Norfolk, North-Central Bristol and North-Centrals Plymouth Counties of Massachusetts for heat indices 97-100. If working outdoors or not in an Air Conditioned location, take frequent breaks, drink plenty of liquids and find cooler areas to prevent heat related illness..
..SKYWARN Self-Activation with Amateur Radio Call-Up Nets possible if SKYWARN reportable criteria is met and/or if a severe thunderstorm warning is issued. Pictures and videos of wind damage, hail, flooding etc. can be sent as a reply to this email, via our Facebook/X/Bluesky feeds or the email address pics@nsradio.org with credit given to the spotter unless otherwise indicated. Another coordination message will be posted by either 11 PM Thursday Evening or 11 AM Friday Morning on the Friday severe weather potential pending evolution of any strong to severe thunderstorm activity on Thursday. Below is the NWS Boston/Norton Heat Advisory Statement, Area Forecast Discussion and SPC Day-1 and Day-2 Convective Outlooks..
NWS Boston/Norton Heat Advisory Statement:
https://forecast.weather.gov/product.php?site=NWS&issuedby=BOX&product=NPW&format=CI&version=1&glossary=1&highlight=off
NWS Boston/Norton Area Forecast Discussion:
https://forecast.weather.gov/product.php?site=NWS&issuedby=BOX&product=AFD&format=CI&version=1&glossary=1&highlight=off
NWS Boston/Norton Enhanced Hazardous Weather Outlook:
https://www.weather.gov/erh/ghwo?wfo=box
SPC Day-1 Convective Outlook:
https://www.spc.noaa.gov/products/outlook/day1otlk.html
SPC Day-2 Convective Outlook:
https://www.spc.noaa.gov/products/outlook/archive/2026/day2otlk_20260611_0600.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)
Email Address: rmacedo@rcn.com
https://ares.ema.arrl.org
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