Alert archive / Massachusetts / 2021

Weather alerts in Massachusetts, April 2021

43 weather alerts in April 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.

Weather alerts by county

Each county as a circle sized by its count in April 2021. Tap one for its archive.

Alerts
43
Warnings
8
Watches
8
Advisories
16
Busiest day
April 21, 202111 alerts

Over time

By day

Days in UTC, the clock the archive keeps.

The alerts

Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeCountiesLasted
Apr 3, 3:13 PM EDTSmall Craft AdvisoryBOX3 days
Apr 4, 3:42 PM EDTSmall Craft AdvisoryBOX60 hr
Apr 10, 3:39 PM EDTSmall Craft AdvisoryBOX5 days
Apr 11, 2:39 AM EDTDense Fog AdvisoryBOXBarnstable, Bristol, Dukes, Nantucket, Plymouth7 hr
Apr 13, 10:34 AM EDTSmall Craft AdvisoryBOX6 hr
Apr 14, 3:13 AM EDTGale WatchBOX24 hr
Apr 14, 3:13 AM EDTSmall Craft AdvisoryBOX4 days
Apr 14, 3:15 AM EDTWinter Storm WatchBOXFranklin, Hampden, Hampshire24 hr
Apr 14, 4:48 AM EDTWinter Storm WatchALYBerkshire23 hr
Apr 15, 3:37 AM EDTWinter Storm WatchBOXMiddlesex, Worcester12 hr
Apr 15, 3:37 AM EDTWinter Storm WarningBOXFranklin, Hampshire, Middlesex, Worcester40 hr
Apr 15, 3:37 AM EDTWinter Weather AdvisoryBOXFranklin, Hampden, Hampshire, Middlesex, Worcester40 hr
Apr 15, 3:40 AM EDTGale WarningBOX48 hr
Apr 15, 4:03 AM EDTWinter Storm WarningALYBerkshire40 hr
Apr 15, 4:03 AM EDTWinter Weather AdvisoryALYBerkshire40 hr
Apr 16, 3:42 AM EDTWind AdvisoryBOXEssex15 hr
Apr 20, 4:09 AM EDTGale WatchBOX11 hr
Apr 20, 4:09 AM EDTSmall Craft AdvisoryBOX11 hr
Apr 20, 3:33 PM EDTGale WarningBOX3 days
Apr 21, 11:49 AM EDTMesoscale DiscussionSPCBerkshire, Franklin, Hampden, Hampshire, Worcester2 hr
Apr 21, 12:28 PM EDTSevere Thunderstorm WatchSPCBerkshire, Franklin, Hampden, Hampshire, Worcester5 hr
Apr 21, 2:15 PM EDTSpecial Weather StatementBOXFranklin, Hampden, Hampshire, Worcester90 min
Apr 21, 2:56 PM EDTMesoscale DiscussionSPCFranklin, Hampden, Hampshire, Middlesex, Worcester94 min
Apr 21, 3:06 PM EDTSpecial Weather StatementALYBerkshire24 min
Apr 21, 3:17 PM EDTSevere Thunderstorm WarningBOXHampden, Hampshire58 min
Apr 21, 3:25 PM EDTSpecial Weather StatementBOXFranklin50 min
Apr 21, 4:11 PM EDTSpecial Weather StatementBOXWorcester49 min
Apr 21, 4:13 PM EDTFreeze WatchBOXBristol, Norfolk, Plymouth24 hr
Apr 21, 4:42 PM EDTSpecial Weather StatementBOXWorcester48 min
Apr 21, 5:26 PM EDTSpecial Weather StatementBOXEssex, Norfolk, Suffolk49 min
Apr 22, 4:08 PM EDTFreeze WarningBOXBristol, Norfolk, Plymouth12 hr
Apr 22, 9:50 PM EDTSmall Craft AdvisoryBOX40 hr
Apr 24, 3:31 PM EDTSmall Craft AdvisoryBOX61 hr
Apr 26, 9:13 AM EDTGale WarningBOX9 hr
Apr 28, 1:22 AM EDTSpecial Weather StatementBOXFranklin, Hampden, Hampshire, Worcester38 min
Apr 28, 4:16 AM EDTCoastal Flood StatementBOXBarnstable, Bristol, Dukes, Essex, Nantucket, Norfolk and 2 more23 hr
Apr 28, 2:50 PM EDTCoastal Flood AdvisoryBOXBarnstable, Essex, Norfolk, Plymouth, Suffolk12 hr
Apr 29, 4:28 AM EDTGale WatchBOX11 hr
Apr 29, 6:41 AM EDTDense Fog AdvisoryBOXBarnstable, Dukes, Nantucket2 hr
Apr 29, 3:24 PM EDTWind AdvisoryBOXBarnstable, Bristol, Dukes, Essex, Franklin, Hampden and 7 more35 hr
Apr 29, 3:29 PM EDTCoastal Flood StatementBOXBarnstable, Essex, Norfolk, Plymouth, Suffolk13 hr
Apr 29, 3:32 PM EDTGale WarningBOX35 hr
Apr 29, 3:35 PM EDTWind AdvisoryALYBerkshire34 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

By county

Every county with at least one alert. A county page lists each alert that covered it.

Nearby

Alerts in force nowTornadoes on recordThe radar archive20202022

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.