Weather alerts in Massachusetts, May 2011

76 weather alerts in May 2011, 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 May 2011. Tap one for its archive.

Alerts: 76
Warnings: 14
Watches: 4
Advisories: 36
Busiest day: May 27, 201111 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
May 1, 3:26 AM EDT	Small Craft Advisory	BOX		20 hr
May 3, 3:59 AM EDT	Small Craft Advisory	BOX		37 hr
May 4, 4:35 PM EDT	Small Craft Advisory for Hazardous Seas	BOX		9 hr
May 4, 5:15 PM EDT	Small Craft Advisory for Hazardous Seas	BOX		2 hr
May 4, 8:21 PM EDT	Special Marine Warning	BOX		39 min
May 5, 1:49 AM EDT	Small Craft Advisory for Hazardous Seas	BOX		3 hr
May 5, 4:32 AM EDT	Small Craft Advisory	BOX		24 hr
May 5, 5:42 PM EDT	Special Weather Statement	BOX	Bristol	33 min
May 5, 10:05 PM EDT	Small Craft Advisory	BOX		6 hr
May 6, 4:12 AM EDT	Small Craft Advisory	BOX		16 hr
May 6, 4:12 AM EDT	Small Craft Advisory for Hazardous Seas	BOX		28 hr
May 6, 2:59 PM EDT	Small Craft Advisory for Hazardous Seas	BOX		20 hr
May 7, 11:32 AM EDT	Special Weather Statement	BOX	Worcester	43 min
May 7, 12:28 PM EDT	Special Weather Statement	BOX	Middlesex	32 min
May 7, 12:31 PM EDT	Severe Thunderstorm Warning	BOX	Middlesex, Worcester	29 min
May 7, 1:08 PM EDT	Severe Thunderstorm Warning	BOX	Middlesex, Norfolk	52 min
May 7, 1:32 PM EDT	Special Weather Statement	BOX	Norfolk	43 min
May 7, 2:08 PM EDT	Special Weather Statement	BOX	Norfolk	37 min
May 7, 4:53 PM EDT	Special Weather Statement	BOX	Middlesex	52 min
May 8, 3:29 AM EDT	Gale Watch	BOX		12 hr
May 8, 3:32 PM EDT	Wind Advisory	BOX	Nantucket	24 hr
May 8, 3:35 PM EDT	Gale Warning	BOX		52 hr
May 9, 3:59 AM EDT	Small Craft Advisory	BOX		4 days
May 9, 4:04 AM EDT	Wind Advisory	BOX	Barnstable, Dukes, Nantucket	39 hr
May 9, 9:34 AM EDT	Small Craft Advisory	BOX		60 hr
May 9, 5:07 PM EDT	Coastal Flood Statement	BOX	Barnstable, Nantucket	66 hr
May 10, 4:14 AM EDT	Gale Warning	BOX		12 hr
May 11, 3:00 AM EDT	Gale Warning	BOX		26 hr
May 11, 4:08 AM EDT	Wind Advisory	BOX	Nantucket	15 hr
May 12, 4:02 PM EDT	Small Craft Advisory for Hazardous Seas	BOX		49 hr
May 15, 3:54 AM EDT	Small Craft Advisory	BOX		4 days
May 16, 4:12 AM EDT	Small Craft Advisory	BOX		3 days
May 16, 3:33 PM EDT	Flood Watch	ALY	Berkshire	61 hr
May 16, 8:13 PM EDT	Coastal Flood Statement	BOX	Barnstable, Essex, Norfolk, Plymouth, Suffolk	30 hr
May 17, 4:12 PM EDT	Flood Watch	BOX	Franklin, Hampden, Hampshire	36 hr
May 17, 6:46 PM EDT	Special Marine Warning	BOX		59 min
May 17, 11:11 PM EDT	Areal Flood Advisory	BOX	Hampden, Hampshire	3 hr
May 19, 4:14 AM EDT	Small Craft Advisory for Hazardous Seas	BOX		31 hr
May 19, 3:44 PM EDT	Areal Flood Advisory	BOX	Bristol	110 min
May 20, 12:21 AM EDT	Areal Flood Advisory	BOX	Bristol	119 min
May 20, 5:04 AM EDT	Dense Fog Advisory	BOX	Barnstable, Bristol, Dukes, Nantucket, Norfolk, Plymouth and 1 more	4 hr
May 20, 2:18 PM EDT	Flash Flood Warning	ALY	Berkshire	6 hr
May 20, 5:50 PM EDT	Special Weather Statement	BOX	Norfolk	55 min
May 20, 6:59 PM EDT	Flash Flood Warning	ALY	Berkshire	3 hr
May 21, 12:03 AM EDT	Dense Fog Advisory	BOX	Barnstable, Bristol, Dukes, Essex, Middlesex, Nantucket and 4 more	9 hr
May 21, 4:18 AM EDT	Small Craft Advisory	BOX		38 hr
May 21, 2:51 PM EDT	Special Weather Statement	BOX	Franklin, Hampshire	24 min
May 21, 3:04 PM EDT	Special Weather Statement	BOX	Hampshire	56 min
May 21, 3:34 PM EDT	Special Weather Statement	BOX	Hampden	56 min
May 21, 7:48 PM EDT	Dense Fog Advisory	BOX	Barnstable, Bristol, Dukes, Essex, Middlesex, Nantucket and 3 more	4 hr
May 23, 3:34 AM EDT	Small Craft Advisory for Hazardous Seas	BOX		52 hr
May 23, 4:21 PM EDT	Small Craft Advisory	BOX		24 hr
May 24, 1:34 PM EDT	Mesoscale Discussion	SPC	Berkshire, Essex, Franklin, Hampden, Hampshire, Middlesex and 3 more	116 min
May 24, 4:17 PM EDT	Special Weather Statement	ALY	Berkshire	28 min
May 24, 5:07 PM EDT	Special Weather Statement	ALY	Berkshire	53 min
May 26, 6:06 AM EDT	Dense Fog Advisory	BOX	Barnstable, Bristol, Norfolk, Plymouth	3 hr
May 26, 9:03 AM EDT	Dense Fog Advisory	BOX	Barnstable, Dukes, Nantucket	117 min
May 26, 8:07 PM EDT	Dense Fog Advisory	BOX	Barnstable, Bristol, Dukes, Nantucket, Norfolk, Plymouth	13 hr
May 26, 10:44 PM EDT	Severe Thunderstorm Warning	ALY	Berkshire	61 min
May 26, 11:23 PM EDT	Severe Thunderstorm Warning	ALY	Berkshire	67 min
May 26, 11:23 PM EDT	Special Weather Statement	BOX	Franklin	52 min
May 26, 11:32 PM EDT	Severe Thunderstorm Warning	ALY	Berkshire	58 min
May 26, 11:48 PM EDT	Severe Thunderstorm Warning	BOX	Franklin, Hampshire	27 min
May 27, 12:14 AM EDT	Severe Thunderstorm Warning	BOX	Franklin, Middlesex, Worcester	34 min
May 27, 12:24 PM EDT	Mesoscale Discussion	SPC	Berkshire	96 min
May 27, 1:18 PM EDT	Mesoscale Discussion	SPC	Franklin	87 min
May 27, 2:00 PM EDT	Severe Thunderstorm Watch	SPC	Berkshire, Franklin, Hampden, Hampshire	6 hr
May 27, 5:49 PM EDT	Mesoscale Discussion	SPC	Berkshire, Franklin	56 min
May 28, 2:00 PM EDT	Special Weather Statement	BOX	Middlesex	60 min
May 28, 2:30 PM EDT	Special Weather Statement	BOX	Worcester	60 min
May 28, 4:21 PM EDT	Small Craft Advisory	BOX		12 hr
May 29, 4:22 AM EDT	Small Craft Advisory for Hazardous Seas	BOX		12 hr
May 29, 4:12 PM EDT	Small Craft Advisory for Hazardous Seas	BOX		6 hr
May 30, 12:28 AM EDT	Mesoscale Discussion	SPC	Berkshire, Franklin, Hampden, Hampshire, Worcester	92 min
May 30, 4:33 PM EDT	Small Craft Advisory for Hazardous Seas	BOX		11 hr
May 31, 3:31 PM EDT	Small Craft Advisory	BOX		3 days

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	7
Severe Thunderstorm Watch	1
Mesoscale Discussion	5
Special Weather Statement	15
Flooding
Flash Flood Warning	2
Flood Watch	2
Areal Flood Advisory	3
Wind and dust
Wind Advisory	3
Fog and smoke
Dense Fog Advisory	6
Coast and beach
Coastal Flood Statement	2
Marine
Gale Warning	3
Special Marine Warning	2
Gale Watch	1
Small Craft Advisory	13
Small Craft Advisory for Hazardous Seas	11

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 2010 2012

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.