An unseasonably chilly airmass moved into Southern New England behind a cold front on the 21st of May. Several locations in Northern Massachusetts and Southwestern New Hampshire experienced a frost with low temperatures dropping into the lower to mid 30s.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. 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 BOX wrote it up.
An unseasonably chilly airmass moved into Southern New England behind a cold front on the 21st of May. Several locations in Northern Massachusetts and Southwestern New Hampshire experienced a frost with low temperatures dropping into the lower to mid 30s.
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 Boston/Norton, MA wrote its last area forecast discussion before the first event at May 21, 3:20 PM EST, 11 hours 40 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
1 frost/freeze. Local standard time, as filed.
Early morning low temperatures were as follows: North Ashburnham 34;|Birch Hill Dam 34; Tully Lake 36; and Barre Falls Dam 34.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Massachusetts in 2007Every state in 2007This day in weather historyWarnings in Massachusetts, May 2007
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: 34173.