Weather alerts in Massachusetts, October 2021

60 weather alerts in October 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 October 2021. Tap one for its archive.

Alerts: 60
Warnings: 14
Watches: 6
Advisories: 22
Busiest day: October 16, 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.

Issued	Product	Office	Counties	Lasted
Oct 1, 3:14 AM EDT	Rip Current Statement	BOX	Barnstable, Bristol, Dukes, Essex, Nantucket, Norfolk and 2 more	60 hr
Oct 1, 2:20 PM EDT	Small Craft Advisory	BOX		46 hr
Oct 3, 3:24 PM EDT	Small Craft Advisory	BOX		63 hr
Oct 4, 8:13 PM EDT	Areal Flood Advisory	ALY	Berkshire	3 hr
Oct 4, 10:16 PM EDT	Small Craft Advisory	BOX		5 hr
Oct 8, 3:00 AM EDT	Small Craft Advisory	BOX		5 days
Oct 8, 3:02 AM EDT	Coastal Flood Advisory	BOX	Essex, Norfolk, Plymouth, Suffolk	37 hr
Oct 10, 2:55 AM EDT	Coastal Flood Statement	BOX	Essex, Norfolk, Plymouth, Suffolk	13 hr
Oct 10, 3:21 PM EDT	Small Craft Advisory	BOX		43 hr
Oct 11, 3:43 AM EDT	Coastal Flood Statement	BOX	Barnstable, Essex, Nantucket, Norfolk, Plymouth, Suffolk	14 hr
Oct 11, 3:43 AM EDT	Rip Current Statement	BOX	Barnstable, Dukes, Essex, Nantucket, Norfolk, Plymouth	16 hr
Oct 12, 1:11 AM EDT	Dense Fog Advisory	BOX	Bristol, Essex, Middlesex, Norfolk, Plymouth, Suffolk	8 hr
Oct 12, 5:00 PM EDT	Small Craft Advisory	BOX		3 hr
Oct 15, 3:36 AM EDT	Small Craft Advisory	BOX		6 days
Oct 16, 12:09 PM EDT	Mesoscale Discussion	SPC	Berkshire	2 hr
Oct 16, 12:35 PM EDT	Severe Thunderstorm Watch	SPC	Berkshire	6 hr
Oct 16, 2:55 PM EDT	Mesoscale Discussion	SPC	Berkshire	95 min
Oct 16, 5:24 PM EDT	Special Weather Statement	ALY	Berkshire	36 min
Oct 16, 5:39 PM EDT	Mesoscale Discussion	SPC	Essex, Franklin, Hampden, Hampshire, Middlesex, Norfolk and 2 more	2 hr
Oct 16, 5:53 PM EDT	Severe Thunderstorm Warning	ALY	Berkshire	23 min
Oct 16, 5:53 PM EDT	Special Weather Statement	BOX	Hampshire	37 min
Oct 16, 5:57 PM EDT	Tornado Warning	ALY	Berkshire	20 min
Oct 16, 6:00 PM EDT	Severe Thunderstorm Warning	BOX	Franklin, Hampshire	27 min
Oct 16, 6:19 PM EDT	Special Weather Statement	ALY	Berkshire	26 min
Oct 16, 6:48 PM EDT	Special Weather Statement	BOX	Franklin	42 min
Oct 16, 11:21 PM EDT	Mesoscale Discussion	SPC	Bristol, Plymouth	54 min
Oct 17, 5:50 AM EDT	Gale Watch	BOX		22 hr
Oct 17, 5:50 AM EDT	Small Craft Advisory	BOX		2 hr
Oct 18, 3:42 AM EDT	Small Craft Advisory	BOX		60 hr
Oct 20, 3:51 PM EDT	Small Craft Advisory	BOX		56 hr
Oct 22, 2:53 PM EDT	Frost Advisory	BOX	Bristol, Essex, Hampden, Hampshire, Middlesex, Norfolk and 1 more	41 hr
Oct 24, 3:25 AM EDT	Small Craft Advisory	BOX		36 hr
Oct 24, 2:52 PM EDT	High Wind Watch	BOX	Barnstable, Bristol, Dukes, Essex, Middlesex, Nantucket and 3 more	24 hr
Oct 24, 2:53 PM EDT	Storm Watch	BOX		24 hr
Oct 25, 3:47 AM EDT	Flood Watch	BOX	Bristol, Essex, Franklin, Hampden, Hampshire, Middlesex and 4 more	52 hr
Oct 25, 3:12 PM EDT	High Wind Warning	BOX	Barnstable, Bristol, Dukes, Essex, Middlesex, Nantucket and 3 more	48 hr
Oct 25, 3:12 PM EDT	Wind Advisory	BOX	Essex, Middlesex, Worcester	48 hr
Oct 25, 3:15 PM EDT	Storm Warning	BOX		45 hr
Oct 25, 3:19 PM EDT	Coastal Flood Advisory	BOX	Barnstable, Dukes, Essex, Nantucket, Norfolk, Plymouth and 1 more	40 hr
Oct 25, 3:19 PM EDT	Coastal Flood Advisory	BOX	Barnstable, Dukes, Essex, Nantucket, Norfolk, Plymouth and 1 more	52 hr
Oct 25, 9:49 PM EDT	Special Weather Statement	BOX	Barnstable	41 min
Oct 25, 10:18 PM EDT	Special Weather Statement	BOX	Barnstable	42 min
Oct 25, 11:24 PM EDT	Special Weather Statement	BOX	Bristol, Plymouth	81 min
Oct 25, 11:43 PM EDT	Special Weather Statement	ALY	Berkshire	62 min
Oct 27, 7:53 AM EDT	Coastal Flood Warning	BOX	Barnstable, Norfolk, Plymouth	11 hr
Oct 27, 11:59 AM EDT	Gale Warning	BOX		22 hr
Oct 27, 3:40 PM EDT	Wind Advisory	BOX	Barnstable, Bristol, Dukes, Nantucket, Norfolk, Plymouth	12 hr
Oct 28, 12:24 AM EDT	Coastal Flood Warning	BOX	Nantucket	8 hr
Oct 28, 4:03 AM EDT	Small Craft Advisory	BOX		5 days
Oct 28, 8:28 AM EDT	Coastal Flood Advisory	BOX	Nantucket	12 hr
Oct 28, 3:58 PM EDT	Gale Watch	BOX		24 hr
Oct 29, 4:17 PM EDT	Gale Warning	BOX		15 hr
Oct 29, 4:17 PM EDT	Gale Warning	BOX		36 hr
Oct 29, 4:17 PM EDT	Small Craft Advisory	BOX		3 days
Oct 31, 2:01 AM EDT	Special Marine Warning	BOX		59 min
Oct 31, 2:13 AM EDT	Special Weather Statement	BOX	Dukes	47 min
Oct 31, 2:26 AM EDT	Severe Thunderstorm Warning	BOX	Barnstable, Dukes, Plymouth	31 min
Oct 31, 3:11 AM EDT	Special Weather Statement	BOX	Plymouth	64 min
Oct 31, 3:21 AM EDT	Areal Flood Warning	BOX	Bristol, Plymouth	96 min
Oct 31, 3:34 AM EDT	Special Marine Warning	BOX		56 min

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
Tornado Warning	1
Severe Thunderstorm Watch	1
Mesoscale Discussion	4
Special Weather Statement	10
Flooding
Areal Flood Warning	1
Flood Watch	1
Areal Flood Advisory	1
Cold
Frost Advisory	1
Wind and dust
High Wind Warning	1
High Wind Watch	1
Wind Advisory	2
Fog and smoke
Dense Fog Advisory	1
Coast and beach
Coastal Flood Warning	2
Coastal Flood Advisory	4
Coastal Flood Statement	2
Rip Current Statement	2
Marine
Gale Warning	3
Special Marine Warning	2
Storm Warning	1
Gale Watch	2
Storm Watch	1
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. Warning verification from the Mesonet's Cow. Rebuilt daily.