May 2025 – Page 2

Post Severe Weather Coordination Message #1 – Saturday 5/3/25 Severe Weather Event

May 4, 2025 Rob Macedo

Hello to all…

..First severe thunderstorm event of the 2025 season on Saturday 5/3/25 brought a rather robust event with scattered to numerous pockets of wind damage, small hail, frequent lightning and heavy downpours to Western, Central and Northeast Massachusetts and Northwest Connecticut. Over 11,000 customers were without power in Massachusetts late yesterday afternoon/evening with most getting power back Sunday Morning..
..Areas hardest hit by this event include a section of Springfield, Mass where an apparent “Gustnado” affected a localized area of the city along the leading edge of the severe thunderstorm bow echo that went through the area..
..NWS and the WX1BOX Amateur Radio team are interested in receiving more storm damage photos, videos and reports from this event. They can be sent as a reply to this message, via our WX1BOX Facebook/X/Bluesky feeds or through the email address pics@nsradio.org with credit given to the spotter unless otherwise indicated. Another post coordination message could be issued some time on Monday depending on additional information received. Below is the NWS Boston/Norton Local Storm Report, current WX1BOX Amateur Radio Log, Definition of a Gustnado, Gustnado in Springfield YouTube Video, and the WX1BOX Facebook Photo Album created for this severe weather event..

NWS Boston/Norton Local Storm Report:
https://wx1box.org/wp-content/uploads/2025/05/LSR-5-3-25.pdf

NWS Gustnado Definition:
https://forecast.weather.gov/glossary.php?word=gustnado

KB1QQR-Paul Taschereau Gustnado – Springfield MA Video:
https://www.youtube.com/watch?v=P8CvTbC55Ug

WX1BOX Amateur Radio Log:
https://wx1box.org/wp-content/uploads/2025/05/reports_5_3_25.pdf

WX1BOX Facebook Photo Album:
https://www.facebook.com/media/set?vanity=wx1box&set=a.1094952535999896

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
https://www.wx1box.org
Like us on Facebook – https://www.facebook.com/wx1box
Follow us on Twitter – https://twitter.com/wx1box
Subscribe on YouTube – https://www.youtube.com/@wx1box-nwsboston-amateur-radio

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Severe Weather Coordination Message #2 – Saturday Afternoon & Evening 5/3/25 Severe Weather Potential

May 3, 2025 Rob Macedo

Hello to all…

..Isolated to Scattered Strong to Severe Thunderstorms are possible to likely Saturday Afternoon and Evening between 2-10 PM across Western, Central, Northeast Massachusetts, Northern Connecticut and Northwest Rhode Island where the Storm Prediction Center (SPC) has placed Western and Central Massachusetts and Northwest Connecticut in a slight risk for severe weather with a marginal risk for severe weather from Northeast Massachusetts to Northwest Rhode Island and Northeast Connecticut. Strong to damaging winds, hail, frequent lightning and heavy downpours causing urban and poor drainage flooding are the main threats..
..SKYWARN Self-Activation will monitor any severe thunderstorm potential Saturday Afternoon and Evening..

Severe thunderstorm potential has increased since the Friday evening update across Western and Central Massachusetts and Northwest Connecticut which is now in a slight risk for severe weather with a marginal risk further east to north and west of the I-95 corridor. The headlines depict the current thinking. Key factors include:

1.) Sufficient heating and destabilization for strong to severe thunderstorm development. Satellite imagery currently shows sufficient clearing for heating and destabilization for severe thunderstorm development.
2.) Timing of forcing and triggering of the atmosphere at the time of peak heating which is currently lined up appropriately for isolated to scattered strong to severe thunderstorm development.
3.) As always with severe thunderstorm events, not all locations will receive a severe thunderstorm. They will be isolated to scattered with pockets of wind damage, hail and urban/poor drainage flooding in those isolated to scattered locations.

SKYWARN Self-Activation will monitor any severe thunderstorm potential Saturday Afternoon and Evening. This will be the last coordination message as we shift into operations mode. 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://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

Respectfully Submitted,

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Severe Weather Coordination Message #1 – Saturday PM/Evening 5/3/25 Severe Weather Potential

May 3, 2025 Rob Macedo

Hello to all…

..Isolated to Scattered Strong to Severe Thunderstorms are possible Saturday Afternoon and Evening between 2-8 PM across Western, Central, Northeast Massachusetts and Northern Connecticut where the Storm Prediction Center (SPC) has placed this area in a marginal risk for severe weather. Strong to damaging winds, hail, frequent lightning and heavy downpours are the main threats..
..SKYWARN Self-Activation will monitor any severe thunderstorm potential Saturday Afternoon and Evening. A more complete coordination message will be posted by 10 AM Saturday Morning. Below is the NWS Boston/Norton Area Forecast Discussion, Enhanced Hazardous Weather Outlook and SPC Day-2 Convective Outlook..

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-2 Convective Outlook:
https://www.spc.noaa.gov/products/outlook/archive/2025/day2otlk_20250502_1730.html

Respectfully Submitted,

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