Storm Coordination Message #1 – Thursday 5/22/25 Coastal Storm/Nor’easter Impacts

Hello to all…

..Late season Nor’easter will impact the region Thursday with a soaking rainfall, strong wind gusts at the coast with isolated pockets of wind damage and minor coastal flooding at the time of the Thursday late afternoon and evening high tide cycle..
..A Wind Advisory is in effect for Eastern Essex, Suffolk, Eastern Norfolk, Eastern Plymouth Counties of Massachusetts from 2 PM to 11 PM Thursday and for Cape Cod and the Islands from 11 AM to 11 PM Thursday for sustained winds of 15-25 MPH with gusts to 50 MPH with isolated higher gusts to 55 MPH possible. Southeast Coastal areas outside of the Wind Advisory could see wind gusts of 40 MPH with isolated higher gusts. With fully leaved trees and these wind gusts, isolated to scattered pockets of tree and wire damage and power outages will be possible..
..A Coastal Flood Advisory is in effect from 4 PM to 7 PM Thursday for South Coastal Massachusetts and Rhode Island including Block Island and 6 PM to 11 PM Thursday for East Coastal Massachusetts and Cape Cod and the Islands for minor coastal flooding and splashover at the time of the Thursday late PM/evening high tide. A few vulnerable shore roads could be closed during high tide..
..SKYWARN Self-Activation and possibly a few Amateur Radio Call-Up Nets will be utilized for rain gauge, wind gust reports 40 MPH or Greater, Wind Damage and Coastal Flood Reports on Thursday. Pictures and videos of storm damage and flooding 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..

A late season nor’easter is on tap for the region on Thursday. While not the most intense nor’easter, it will have some impacts in the region and has received a bit more attention since its coming at an atypical time of year in late May. The headlines depict the current thinking. Key factors include:

1.) Strength of winds will be determined by the strength of the low and will be maximized if the European model suite is correct.
2.) Minor coastal flooding coverage will depend on the strength of the winds and the timing of those wind near high tide along with ability for the storm to build wave action ahead of the late PM/evening tide cycle.
3.) Rainfall will also be maximized if stronger model solutions verify.
4.) Cannot rule out a bit of snow in the highest elevations of the Berkshires from this storm event and will monitor this aspect

SKYWARN Self-Activation and possibly a few Amateur Radio Call-Up Nets will be utilized for rain gauge, wind gust reports 40 MPH or Greater, Wind Damage and Coastal Flood Reports on Thursday. Pictures and videos of storm damage and flooding 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. If time allows, another coordination message will be issued by 11 AM Thursday Morning. Below is the NWS Boston/Norton Wind Advisory Statement, Coastal Flood Advisory Statement, Area Forecast Discussion and Enhanced Hazardous Weather Outlook:

NWS Boston/Norton Wind 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 Coastal Flood Advisory Statement:
https://forecast.weather.gov/product.php?site=NWS&issuedby=BOX&product=CFW&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

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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