Weather alerts in Massachusetts, May 2009

69 weather alerts in May 2009, 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 2009. Tap one for its archive.

Alerts: 69
Warnings: 33
Watches: 4
Advisories: 30
Busiest day: May 24, 200918 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 2, 3:50 AM EDT	Frost Advisory	ALY	Berkshire	24 hr
May 2, 10:50 AM EDT	Small Craft Advisory for Hazardous Seas	BOX		41 hr
May 4, 3:26 PM EDT	Small Craft Advisory	BOX		37 hr
May 6, 4:08 AM EDT	Small Craft Advisory for Hazardous Seas	BOX		12 hr
May 6, 4:18 PM EDT	Small Craft Advisory	BOX		55 hr
May 8, 11:47 PM EDT	Small Craft Advisory for Hazardous Seas	BOX		23 hr
May 9, 4:28 AM EDT	Gale Watch	BOX		12 hr
May 9, 12:43 PM EDT	Severe Thunderstorm Watch	SPC	Berkshire	6 hr
May 9, 3:40 PM EDT	Severe Thunderstorm Watch	SPC	Franklin, Hampden, Hampshire, Middlesex, Worcester	6 hr
May 9, 4:02 PM EDT	Small Craft Advisory	BOX		36 hr
May 9, 6:22 PM EDT	Severe Thunderstorm Warning	ALY	Berkshire	38 min
May 9, 6:27 PM EDT	Severe Thunderstorm Warning	BOX	Franklin	35 min
May 9, 6:40 PM EDT	Severe Thunderstorm Warning	BOX	Franklin, Hampshire	28 min
May 9, 6:47 PM EDT	Mesoscale Discussion	SPC	Berkshire, Franklin, Hampden, Hampshire, Worcester	88 min
May 9, 6:49 PM EDT	Areal Flood Advisory	ALY	Berkshire	84 min
May 9, 6:57 PM EDT	Severe Thunderstorm Warning	ALY	Berkshire	63 min
May 9, 6:58 PM EDT	Severe Thunderstorm Warning	BOX	Franklin, Hampshire, Worcester	47 min
May 9, 7:07 PM EDT	Severe Thunderstorm Warning	BOX	Hampden, Hampshire	38 min
May 9, 7:21 PM EDT	Severe Thunderstorm Warning	BOX	Franklin, Hampshire, Middlesex, Worcester	39 min
May 9, 7:45 PM EDT	Severe Thunderstorm Warning	BOX	Hampden, Hampshire	45 min
May 9, 7:58 PM EDT	Severe Thunderstorm Warning	BOX	Essex, Middlesex, Worcester	32 min
May 9, 8:16 PM EDT	Severe Thunderstorm Warning	BOX	Franklin, Hampden, Hampshire, Worcester	44 min
May 9, 8:30 PM EDT	Special Marine Warning	BOX		180 days
May 10, 3:56 AM EDT	Frost Advisory	ALY	Berkshire	27 hr
May 11, 6:34 AM EDT	Frost Advisory	ALY	Berkshire	25 hr
May 12, 10:54 AM EDT	Frost Advisory	ALY	Berkshire	21 hr
May 13, 4:21 PM EDT	Wind Advisory	BOX	Essex, Franklin, Hampshire, Middlesex, Norfolk, Suffolk and 1 more	27 hr
May 13, 4:28 PM EDT	Small Craft Advisory	BOX		36 hr
May 14, 8:52 AM EDT	Wind Advisory	ALY	Berkshire	9 hr
May 15, 4:25 AM EDT	Small Craft Advisory for Hazardous Seas	BOX		24 hr
May 15, 9:54 PM EDT	Dense Fog Advisory	BOX	Barnstable, Bristol, Dukes, Nantucket, Norfolk, Plymouth	10 hr
May 16, 4:25 AM EDT	Small Craft Advisory	BOX		59 hr
May 17, 4:11 AM EDT	Freeze Warning	ALY	Berkshire	24 hr
May 18, 4:18 AM EDT	Frost Advisory	BOX	Bristol, Dukes, Essex, Hampden, Hampshire, Middlesex and 3 more	27 hr
May 18, 4:18 AM EDT	Freeze Warning	BOX	Franklin, Hampden, Hampshire	27 hr
May 18, 4:21 AM EDT	Freeze Warning	ALY	Berkshire	28 hr
May 18, 2:59 PM EDT	Small Craft Advisory for Hazardous Seas	BOX		11 hr
May 20, 4:12 PM EDT	Fire Weather Watch	BOX	Bristol, Essex, Franklin, Hampden, Hampshire, Middlesex and 4 more	12 hr
May 20, 4:19 PM EDT	Small Craft Advisory	BOX		36 hr
May 21, 3:47 AM EDT	Red Flag Warning	BOX	Bristol, Essex, Franklin, Hampden, Hampshire, Middlesex and 4 more	16 hr
May 21, 3:53 AM EDT	Small Craft Advisory	BOX		16 hr
May 22, 10:46 AM EDT	Small Craft Advisory	BOX		7 hr
May 24, 11:49 AM EDT	Mesoscale Discussion	SPC	Berkshire, Franklin, Hampden, Hampshire, Worcester	116 min
May 24, 1:55 PM EDT	Severe Thunderstorm Warning	BOX	Middlesex, Norfolk, Suffolk	24 min
May 24, 2:21 PM EDT	Special Marine Warning	BOX		165 days
May 24, 2:32 PM EDT	Severe Thunderstorm Warning	BOX	Worcester	43 min
May 24, 3:05 PM EDT	Severe Thunderstorm Warning	BOX	Norfolk, Plymouth	40 min
May 24, 3:07 PM EDT	Special Marine Warning	BOX		13 min
May 24, 3:45 PM EDT	Severe Thunderstorm Warning	BOX	Plymouth	45 min
May 24, 4:01 PM EDT	Special Marine Warning	BOX		59 min
May 24, 4:07 PM EDT	Severe Thunderstorm Warning	BOX	Hampden, Worcester	18 min
May 24, 4:28 PM EDT	Severe Thunderstorm Warning	BOX	Middlesex, Norfolk, Suffolk	32 min
May 24, 4:29 PM EDT	Severe Thunderstorm Warning	BOX	Worcester	15 min
May 24, 4:38 PM EDT	Special Marine Warning	BOX		67 min
May 24, 4:46 PM EDT	Severe Thunderstorm Warning	BOX	Middlesex, Norfolk, Worcester	44 min
May 24, 5:14 PM EDT	Severe Thunderstorm Warning	BOX	Middlesex, Norfolk, Worcester	31 min
May 24, 5:46 PM EDT	Severe Thunderstorm Warning	BOX	Hampden, Worcester	19 min
May 24, 6:13 PM EDT	Special Marine Warning	BOX		32 min
May 24, 6:27 PM EDT	Special Marine Warning	BOX		63 min
May 24, 6:51 PM EDT	Special Marine Warning	BOX		24 min
May 25, 4:01 AM EDT	Frost Advisory	BOX	Franklin, Hampshire	27 hr
May 25, 4:12 AM EDT	Frost Advisory	ALY	Berkshire	27 hr
May 25, 3:55 PM EDT	Small Craft Advisory	BOX		20 hr
May 27, 9:32 PM EDT	Dense Fog Advisory	BOX	Barnstable, Dukes, Nantucket	7 hr
May 28, 2:48 PM EDT	Small Craft Advisory for Hazardous Seas	BOX		35 hr
May 31, 3:17 AM EDT	Frost Advisory	ALY	Berkshire	28 hr
May 31, 4:16 AM EDT	Frost Advisory	BOX	Franklin, Hampden, Hampshire, Middlesex, Worcester	27 hr
May 31, 4:16 AM EDT	Freeze Warning	BOX	Franklin, Hampshire	27 hr
May 31, 4:14 PM EDT	Small Craft Advisory	BOX		18 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	20
Severe Thunderstorm Watch	2
Mesoscale Discussion	2
Flooding
Areal Flood Advisory	1
Cold
Freeze Warning	4
Frost Advisory	9
Wind and dust
Wind Advisory	2
Fire
Red Flag Warning	1
Fire Weather Watch	1
Fog and smoke
Dense Fog Advisory	2
Marine
Special Marine Warning	8
Gale Watch	1
Small Craft Advisory	10
Small Craft Advisory for Hazardous Seas	6

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 2008 2010

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.