A line of showers and thunderstorms crossed Vermont into the Connecticut River Valley on the evening of May 17th. One storm became particular strong and brought damaging winds and large hail to Southern Grafton County.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS GYX wrote it up.
A line of showers and thunderstorms crossed Vermont into the Connecticut River Valley on the evening of May 17th. One storm became particular strong and brought damaging winds and large hail to Southern Grafton County.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Gray, ME wrote its last area forecast discussion before the first event at May 17, 2:47 PM EST, 2 hours 23 minutes earlier.
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</html>The Burlington radar (KCXX), 118 km away, was scanning. The volume nearest the first event began at 22:12 UTC.
3 thunderstorm wind, 2 hail. Local standard time, as filed.
Severe thunderstorm outflow wind gusts downed multiple trees blocking Butternut Ln. in Lebanon.
A severe thunderstorm dropped hail the size of ping pong balls in West Lebanon.
Severe thunderstorm outflow wind gusts downed trees and branches on Pillsbury Street in Enfield.
A severe thunderstorm dropped hail the size of half dollars on Rt. 4 in Enfield.
Severe thunderstorm outflow wind gusts downed multiple trees on Cardigan Mountain Rd. between Reagan and Eastman Rd. in Canaan.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in New Hampshire in 2025Every state in 2025This day in weather historyWarnings in New Hampshire, May 2025
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 1267118, 1267116, 1267119, 1267117, 1267120.