Weather alerts in Massachusetts, December 2021

59 weather alerts in December 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 December 2021. Tap one for its archive.

Alerts: 59
Warnings: 10
Watches: 4
Advisories: 29
Busiest day: December 3, 20219 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.

Issued	Product	Office	Counties	Lasted
Dec 1, 2:53 AM EST	Gale Watch	BOX		24 hr
Dec 2, 2:46 AM EST	Gale Warning	BOX		28 hr
Dec 2, 2:46 AM EST	Small Craft Advisory	BOX		12 hr
Dec 2, 5:06 AM EST	Winter Weather Advisory	BOX	Franklin, Hampshire, Middlesex, Worcester	3 hr
Dec 2, 7:46 PM EST	Special Weather Statement	ALY	Berkshire	29 min
Dec 2, 7:51 PM EST	Special Weather Statement	BOX	Franklin, Hampshire	54 min
Dec 2, 8:19 PM EST	Special Weather Statement	ALY	Berkshire	56 min
Dec 2, 9:07 PM EST	Special Weather Statement	BOX	Worcester	38 min
Dec 2, 9:49 PM EST	Special Weather Statement	BOX	Bristol, Essex, Norfolk, Plymouth, Suffolk	56 min
Dec 2, 10:44 PM EST	Special Weather Statement	BOX	Bristol, Essex, Norfolk, Plymouth	61 min
Dec 2, 10:48 PM EST	Special Marine Warning	BOX		57 min
Dec 3, 7:12 AM EST	Small Craft Advisory	BOX		12 hr
Dec 3, 6:51 PM EST	Small Craft Advisory	BOX		10 hr
Dec 4, 4:26 AM EST	Small Craft Advisory	BOX		25 hr
Dec 4, 3:20 PM EST	Gale Watch	BOX		12 hr
Dec 5, 3:15 AM EST	Gale Warning	BOX		50 hr
Dec 5, 2:58 PM EST	Wind Advisory	BOX	Barnstable, Bristol, Dukes, Nantucket, Norfolk, Plymouth	34 hr
Dec 6, 4:00 AM EST	Wind Advisory	ALY	Berkshire	21 hr
Dec 6, 9:02 PM EST	Special Weather Statement	BOX	Hampden, Middlesex, Worcester	58 min
Dec 6, 9:37 PM EST	Special Weather Statement	BOX	Essex, Middlesex, Norfolk	53 min
Dec 6, 10:06 PM EST	Special Weather Statement	BOX	Bristol, Norfolk, Plymouth, Suffolk	54 min
Dec 6, 10:42 PM EST	Special Weather Statement	BOX	Bristol, Plymouth	48 min
Dec 6, 11:13 PM EST	Special Weather Statement	BOX	Barnstable	47 min
Dec 7, 12:56 AM EST	Small Craft Advisory	BOX		26 hr
Dec 8, 4:00 AM EST	Small Craft Advisory	BOX		45 hr
Dec 9, 3:17 PM EST	Gale Watch	BOX		12 hr
Dec 10, 3:06 AM EST	Gale Warning	BOX		57 hr
Dec 10, 3:09 PM EST	Wind Advisory	ALY	Berkshire	36 hr
Dec 10, 3:45 PM EST	Wind Advisory	BOX	Barnstable, Bristol, Dukes, Essex, Franklin, Hampden and 7 more	36 hr
Dec 10, 10:03 PM EST	Winter Weather Advisory	BOX	Franklin, Middlesex, Worcester	11 hr
Dec 11, 9:15 PM EST	Severe Thunderstorm Warning	ALY	Berkshire	60 min
Dec 11, 9:49 PM EST	Severe Thunderstorm Warning	ALY	Berkshire	45 min
Dec 11, 9:49 PM EST	Mesoscale Discussion	SPC	Berkshire, Essex, Franklin, Hampden, Hampshire, Middlesex and 3 more	116 min
Dec 11, 9:53 PM EST	Severe Thunderstorm Warning	BOX	Franklin, Hampden, Hampshire, Worcester	52 min
Dec 12, 9:59 AM EST	Small Craft Advisory	BOX		53 hr
Dec 15, 3:26 AM EST	Small Craft Advisory	BOX		71 hr
Dec 17, 3:11 AM EST	Winter Weather Advisory	BOX	Essex, Franklin, Hampden, Hampshire, Middlesex, Worcester	51 hr
Dec 17, 3:35 AM EST	Winter Weather Advisory	ALY	Berkshire	50 hr
Dec 18, 2:31 AM EST	Small Craft Advisory	BOX		52 hr
Dec 18, 10:52 AM EST	Mesoscale Discussion	SPC	Hampden	3 hr
Dec 18, 2:54 PM EST	Mesoscale Discussion	SPC	Berkshire, Franklin, Hampden, Hampshire, Worcester	5 hr
Dec 19, 2:59 AM EST	Gale Warning	BOX		7 hr
Dec 19, 5:00 PM EST	Small Craft Advisory	BOX		5 hr
Dec 20, 3:16 AM EST	Gale Warning	BOX		30 hr
Dec 20, 6:27 AM EST	Small Craft Advisory	BOX		32 hr
Dec 21, 3:26 AM EST	Winter Weather Advisory	BOX	Essex, Franklin, Hampden, Hampshire, Middlesex, Worcester	32 hr
Dec 21, 3:44 PM EST	Winter Weather Advisory	ALY	Berkshire	18 hr
Dec 21, 3:44 PM EST	Gale Watch	BOX		12 hr
Dec 21, 3:44 PM EST	Gale Warning	BOX		39 hr
Dec 22, 3:22 AM EST	Small Craft Advisory	BOX		46 hr
Dec 22, 4:26 AM EST	Mesoscale Discussion	SPC	Hampden, Middlesex, Worcester	4 hr
Dec 22, 9:18 AM EST	Dense Fog Advisory	BOX	Barnstable, Bristol, Dukes, Essex, Middlesex, Nantucket and 4 more	5 hr
Dec 24, 3:33 AM EST	Winter Weather Advisory	ALY	Berkshire	44 hr
Dec 24, 3:39 AM EST	Winter Weather Advisory	BOX	Bristol, Essex, Franklin, Hampden, Hampshire, Middlesex and 4 more	49 hr
Dec 24, 3:33 PM EST	Small Craft Advisory	BOX		65 hr
Dec 25, 5:44 AM EST	Mesoscale Discussion	SPC	Berkshire, Essex, Franklin, Hampden, Hampshire, Middlesex and 4 more	5 hr
Dec 27, 3:14 AM EST	Winter Weather Advisory	BOX	Franklin, Hampden, Hampshire, Middlesex, Worcester	30 hr
Dec 27, 3:21 AM EST	Winter Weather Advisory	ALY	Berkshire	28 hr
Dec 30, 9:25 PM EST	Dense Fog Advisory	BOX	Bristol, Essex, Franklin, Hampden, Hampshire, Middlesex and 3 more	13 hr

By product

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

Product	Alerts
Severe storms
Severe Thunderstorm Warning	3
Mesoscale Discussion	5
Special Weather Statement	11
Winter
Winter Weather Advisory	10
Wind and dust
Wind Advisory	4
Fog and smoke
Dense Fog Advisory	2
Marine
Gale Warning	6
Special Marine Warning	1
Gale Watch	4
Small Craft Advisory	13

By county

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

Nearby

Alerts in force now Tornadoes on record The radar archive 2020 2022

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.