Alert archive / Massachusetts / 2021

Weather alerts in Massachusetts, September 2021

163 weather alerts in September 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 September 2021. Tap one for its archive.

Alerts
163
Warnings
96
Watches
7
Advisories
23
Busiest day
September 2, 202151 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
Sep 1, 3:26 AM EDTGale WatchBOX31 hr
Sep 1, 3:26 AM EDTGale WarningBOX35 hr
Sep 1, 2:34 PM EDTSpecial Marine WarningBOX56 min
Sep 1, 3:29 PM EDTSpecial Marine WarningBOX61 min
Sep 1, 4:00 PM EDTWind AdvisoryBOXBarnstable, Essex, Norfolk, Plymouth, Suffolk19 hr
Sep 1, 4:13 PM EDTSpecial Marine WarningBOX62 min
Sep 1, 4:52 PM EDTSevere Thunderstorm WarningBOXNantucket38 min
Sep 1, 5:10 PM EDTSpecial Marine WarningBOX65 min
Sep 1, 5:49 PM EDTSpecial Weather StatementBOXNantucket41 min
Sep 1, 6:09 PM EDTSpecial Marine WarningBOX66 min
Sep 1, 7:19 PM EDTAreal Flood AdvisoryALYBerkshire3 hr
Sep 1, 9:13 PM EDTFlash Flood WarningBOXHampden10 hr
Sep 1, 9:24 PM EDTSpecial Marine WarningBOX66 min
Sep 1, 9:37 PM EDTFlash Flood WarningBOXWorcester10 hr
Sep 1, 10:01 PM EDTFlash Flood WarningBOXEssex, Middlesex, Norfolk, Suffolk8 hr
Sep 1, 10:07 PM EDTAreal Flood AdvisoryALYBerkshire3 hr
Sep 1, 10:32 PM EDTFlash Flood WarningBOXBristol, Norfolk, Plymouth10 hr
Sep 1, 10:45 PM EDTSpecial Marine WarningBOX45 min
Sep 1, 10:57 PM EDTFlash Flood WarningBOXFranklin, Hampshire, Middlesex, Worcester8 hr
Sep 1, 11:02 PM EDTFlash Flood WarningBOXEssex, Middlesex8 hr
Sep 1, 11:20 PM EDTMesoscale DiscussionSPCBarnstable, Bristol, Dukes, Nantucket, Plymouth85 min
Sep 1, 11:21 PM EDTTornado WarningBOXBarnstable, Bristol, Dukes, Plymouth54 min
Sep 1, 11:24 PM EDTSpecial Marine WarningBOX66 min
Sep 1, 11:32 PM EDTSpecial Marine WarningBOX58 min
Sep 1, 11:32 PM EDTSpecial Marine WarningBOX58 min
Sep 1, 11:37 PM EDTTornado WatchSPCBarnstable, Bristol, Dukes, Nantucket, Plymouth7 hr
Sep 1, 11:49 PM EDTAreal Flood AdvisoryALYBerkshire3 hr
Sep 1, 11:56 PM EDTTornado WarningBOXBarnstable, Dukes49 min
Sep 2, 12:08 AM EDTFlash Flood WarningBOXBarnstable, Dukes8 hr
Sep 2, 12:20 AM EDTSpecial Marine WarningBOX55 min
Sep 2, 12:22 AM EDTTornado WarningBOXDukes53 min
Sep 2, 12:25 AM EDTSpecial Marine WarningBOX65 min
Sep 2, 12:45 AM EDTTornado WarningBOXBarnstable, Dukes60 min
Sep 2, 12:57 AM EDTRiver Flood WarningALYBerkshire, Hampden21 hr
Sep 2, 1:07 AM EDTSpecial Marine WarningBOX83 min
Sep 2, 1:09 AM EDTAreal Flood AdvisoryALYBerkshire111 min
Sep 2, 1:15 AM EDTTornado WarningBOXDukes28 min
Sep 2, 1:51 AM EDTRiver Flood WarningBOXWorcester31 hr
Sep 2, 1:56 AM EDTTornado WarningBOXBarnstable26 min
Sep 2, 2:34 AM EDTFlash Flood Warning Considerable damage threatBOXBristol, Plymouth6 hr
Sep 2, 3:38 AM EDTMesoscale DiscussionSPCBarnstable, Dukes, Nantucket97 min
Sep 2, 3:42 AM EDTRiver Flood WarningBOXNorfolk, Suffolk11 hr
Sep 2, 5:14 AM EDTSpecial Marine WarningBOX46 min
Sep 2, 5:26 AM EDTFlash Flood Warning Considerable damage threatBOXBarnstable, Bristol, Dukes, Plymouth3 hr
Sep 2, 5:30 AM EDTRiver Flood WarningBOXMiddlesex22 hr
Sep 2, 5:49 AM EDTSpecial Marine WarningBOX42 min
Sep 2, 6:02 AM EDTFlash Flood WarningBOXEssex, Middlesex, Norfolk, Suffolk3 hr
Sep 2, 6:14 AM EDTSpecial Marine WarningBOX25 min
Sep 2, 6:50 AM EDTAreal Flood WarningBOXFranklin, Hampden, Hampshire, Middlesex, Worcester6 hr
Sep 2, 7:04 AM EDTAreal Flood WarningBOXBristol, Essex, Middlesex, Norfolk, Plymouth, Suffolk and 1 more11 hr
Sep 2, 7:25 AM EDTFlash Flood Warning Considerable damage threatBOXHampden, Hampshire, Worcester6 hr
Sep 2, 7:43 AM EDTAreal Flood WarningBOXBristol, Norfolk, Plymouth, Worcester6 hr
Sep 2, 7:54 AM EDTAreal Flood WarningBOXBarnstable, Dukes, Plymouth6 hr
Sep 2, 8:14 AM EDTRiver Flood WarningBOXHampden, Hampshire13 hr
Sep 2, 8:20 AM EDTRiver Flood WarningBOXWorcester32 hr
Sep 2, 8:20 AM EDTRiver Flood WarningBOXMiddlesex, Worcester60 hr
Sep 2, 9:25 AM EDTRiver Flood WarningBOXBristol, Plymouth64 hr
Sep 2, 10:40 AM EDTSmall Craft AdvisoryBOX17 hr
Sep 2, 12:51 PM EDTAreal Flood WarningBOXFranklin, Hampden, Hampshire, Middlesex, Norfolk, Worcester6 hr
Sep 2, 1:28 PM EDTAreal Flood WarningBOXHampden6 hr
Sep 2, 1:42 PM EDTAreal Flood WarningBOXBristol, Norfolk, Plymouth, Worcester6 hr
Sep 2, 5:59 PM EDTRiver Flood WarningBOXEssex, Middlesex25 hr
Sep 3, 9:38 PM EDTRiver Flood WarningBOXEssex16 hr
Sep 5, 2:37 AM EDTRiver Flood WarningBOXBristol, Plymouth13 hr
Sep 5, 2:40 AM EDTSmall Craft AdvisoryBOX30 hr
Sep 7, 3:44 AM EDTSmall Craft AdvisoryBOX7 days
Sep 8, 7:54 PM EDTSevere Thunderstorm WatchSPCBerkshire4 hr
Sep 8, 8:09 PM EDTSevere Thunderstorm WarningALYBerkshire66 min
Sep 8, 8:31 PM EDTSevere Thunderstorm WarningALYBerkshire59 min
Sep 8, 8:42 PM EDTSpecial Weather StatementBOXFranklin48 min
Sep 8, 9:24 PM EDTSevere Thunderstorm WarningALYBerkshire21 min
Sep 8, 9:25 PM EDTMesoscale DiscussionSPCBerkshire95 min
Sep 8, 9:40 PM EDTSmall Craft AdvisoryBOX5 hr
Sep 8, 9:53 PM EDTAreal Flood AdvisoryALYBerkshire112 min
Sep 9, 12:04 AM EDTAreal Flood AdvisoryALYBerkshire116 min
Sep 9, 2:57 AM EDTRip Current StatementBOXBarnstable, Dukes, Essex, Nantucket, Norfolk, Plymouth11 hr
Sep 9, 4:04 AM EDTRiver Flood WarningALYBerkshire2 hr
Sep 9, 4:12 AM EDTMesoscale DiscussionSPCBristol, Essex, Middlesex, Norfolk, Plymouth, Suffolk and 1 more3 hr
Sep 9, 8:43 AM EDTSpecial Marine WarningBOX62 min
Sep 9, 8:50 AM EDTSpecial Weather StatementBOXNantucket55 min
Sep 9, 11:06 AM EDTSpecial Marine WarningBOX54 min
Sep 9, 1:55 PM EDTHigh Surf AdvisoryBOXBarnstable, Dukes, Essex, Nantucket, Norfolk, Plymouth53 hr
Sep 9, 1:57 PM EDTSpecial Weather StatementBOXDukes, Plymouth63 min
Sep 9, 2:53 PM EDTSpecial Weather StatementBOXBarnstable, Nantucket82 min
Sep 9, 3:11 PM EDTSpecial Marine WarningBOX34 min
Sep 9, 3:13 PM EDTSpecial Weather StatementBOXBarnstable47 min
Sep 9, 3:46 PM EDTSpecial Marine WarningBOX29 min
Sep 9, 7:30 PM EDTAreal Flood WarningBOXBarnstable3 hr
Sep 10, 5:47 PM EDTSpecial Marine WarningBOX58 min
Sep 11, 4:01 AM EDTSmall Craft AdvisoryBOX47 hr
Sep 12, 4:09 AM EDTHigh Surf AdvisoryBOXDukes, Nantucket15 hr
Sep 13, 2:44 AM EDTSpecial Weather StatementBOXEssex46 min
Sep 13, 3:14 AM EDTSevere Thunderstorm WarningBOXEssex, Middlesex31 min
Sep 13, 3:17 AM EDTSpecial Marine WarningBOX43 min
Sep 13, 3:51 AM EDTSpecial Marine WarningBOX25 min
Sep 13, 5:24 AM EDTSpecial Weather StatementBOXEssex66 min
Sep 13, 5:34 AM EDTSevere Thunderstorm WarningBOXEssex, Middlesex31 min
Sep 13, 5:39 AM EDTSpecial Marine WarningBOX66 min
Sep 13, 8:02 AM EDTSpecial Marine WarningBOX43 min
Sep 14, 3:30 PM EDTSmall Craft AdvisoryBOX35 hr
Sep 15, 10:33 AM EDTMesoscale DiscussionSPCBerkshire2 hr
Sep 15, 11:55 AM EDTSevere Thunderstorm WatchSPCBerkshire8 hr
Sep 15, 3:04 PM EDTMesoscale DiscussionSPCBerkshire, Essex, Franklin, Hampden, Hampshire, Middlesex and 2 more116 min
Sep 15, 3:43 PM EDTSevere Thunderstorm WatchSPCFranklin, Hampden, Hampshire, Worcester6 hr
Sep 15, 4:31 PM EDTSevere Thunderstorm WarningALYBerkshire59 min
Sep 15, 4:38 PM EDTMesoscale DiscussionSPCBerkshire, Franklin, Hampshire67 min
Sep 15, 4:41 PM EDTAreal Flood AdvisoryALYBerkshire3 hr
Sep 15, 6:02 PM EDTSpecial Weather StatementALYBerkshire43 min
Sep 15, 6:23 PM EDTSpecial Weather StatementALYBerkshire37 min
Sep 15, 6:24 PM EDTSpecial Weather StatementBOXWorcester51 min
Sep 15, 6:32 PM EDTSpecial Weather StatementBOXFranklin43 min
Sep 15, 7:00 PM EDTSpecial Weather StatementBOXFranklin45 min
Sep 15, 7:10 PM EDTSpecial Weather StatementBOXWorcester50 min
Sep 15, 7:15 PM EDTSpecial Weather StatementBOXHampshire45 min
Sep 15, 7:20 PM EDTSpecial Weather StatementBOXHampden40 min
Sep 15, 7:40 PM EDTSpecial Weather StatementBOXMiddlesex50 min
Sep 15, 7:53 PM EDTSevere Thunderstorm WarningBOXHampden, Hampshire, Middlesex, Worcester13 min
Sep 15, 8:11 PM EDTMesoscale DiscussionSPCFranklin, Hampden, Hampshire, Worcester2 hr
Sep 16, 5:43 AM EDTSpecial Marine WarningBOX62 min
Sep 16, 6:10 AM EDTSpecial Weather StatementBOXEssex, Norfolk65 min
Sep 16, 6:13 AM EDTSpecial Weather StatementBOXNorfolk62 min
Sep 16, 6:24 AM EDTSpecial Weather StatementBOXBristol66 min
Sep 16, 6:38 AM EDTSevere Thunderstorm WarningBOXBristol, Plymouth53 min
Sep 16, 6:42 AM EDTSpecial Marine WarningBOX63 min
Sep 16, 7:00 AM EDTSpecial Marine WarningBOX60 min
Sep 16, 7:13 AM EDTSevere Thunderstorm WarningBOXBarnstable, Bristol, Dukes, Plymouth62 min
Sep 16, 7:25 AM EDTSpecial Marine WarningBOX65 min
Sep 16, 7:27 AM EDTSpecial Marine WarningBOX63 min
Sep 16, 7:36 AM EDTSevere Thunderstorm WarningBOXBarnstable, Dukes54 min
Sep 16, 7:51 AM EDTSpecial Marine WarningBOX54 min
Sep 16, 7:59 AM EDTSpecial Weather StatementBOXBarnstable, Dukes61 min
Sep 16, 8:15 AM EDTSpecial Marine WarningBOX90 min
Sep 16, 8:37 AM EDTSpecial Marine WarningBOX40 min
Sep 16, 9:31 AM EDTSpecial Marine WarningBOX59 min
Sep 16, 3:18 PM EDTSmall Craft AdvisoryBOX3 days
Sep 17, 3:13 PM EDTRip Current StatementBOXBarnstable, Essex, Nantucket, Norfolk, Plymouth53 hr
Sep 17, 8:10 PM EDTDense Fog AdvisoryBOXBarnstable, Bristol, Essex, Middlesex, Norfolk, Plymouth and 2 more12 hr
Sep 18, 8:28 PM EDTSpecial Weather StatementBOXMiddlesex62 min
Sep 18, 9:22 PM EDTSpecial Weather StatementBOXNorfolk53 min
Sep 18, 10:50 PM EDTSpecial Marine WarningBOX55 min
Sep 22, 3:21 AM EDTSmall Craft AdvisoryBOX72 hr
Sep 22, 4:01 PM EDTFlash Flood WatchALYBerkshire42 hr
Sep 23, 9:28 AM EDTRip Current StatementBOXBarnstable, Bristol, Dukes, Essex, Nantucket, Norfolk and 2 more35 hr
Sep 23, 9:31 AM EDTSmall Craft AdvisoryBOX30 hr
Sep 23, 2:48 PM EDTFlash Flood WatchBOXFranklin, Hampden, Hampshire19 hr
Sep 24, 8:23 AM EDTSevere Thunderstorm WarningBOXHampshire, Worcester15 min
Sep 24, 11:11 AM EDTSevere Thunderstorm WarningBOXMiddlesex, Worcester22 min
Sep 24, 12:19 PM EDTSpecial Marine WarningBOX56 min
Sep 24, 12:36 PM EDTSpecial Weather StatementBOXNorfolk54 min
Sep 25, 3:49 AM EDTSmall Craft AdvisoryBOX3 days
Sep 27, 1:46 PM EDTGale WarningBOX14 hr
Sep 27, 1:46 PM EDTSmall Craft AdvisoryBOX53 hr
Sep 28, 9:29 AM EDTSevere Thunderstorm WarningBOXBristol, Middlesex, Norfolk, Suffolk, Worcester61 min
Sep 28, 10:02 AM EDTSevere Thunderstorm WarningBOXMiddlesex, Norfolk, Plymouth, Suffolk43 min
Sep 28, 10:06 AM EDTSpecial Marine WarningBOX54 min
Sep 28, 11:18 AM EDTSpecial Weather StatementBOXBristol42 min
Sep 28, 11:42 AM EDTSpecial Marine WarningBOX48 min
Sep 28, 1:58 PM EDTSpecial Marine WarningBOX47 min
Sep 28, 2:07 PM EDTSevere Thunderstorm WarningBOXBarnstable, Bristol, Dukes, Plymouth53 min
Sep 28, 2:30 PM EDTSpecial Marine WarningBOX45 min
Sep 28, 2:58 PM EDTSpecial Weather StatementBOXBarnstable47 min
Sep 28, 3:25 PM EDTSmall Craft AdvisoryBOX28 hr
Sep 28, 3:29 PM EDTSpecial Marine WarningBOX46 min

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.