Weather alerts in Massachusetts, May 2020

77 weather alerts in May 2020, 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 2020. Tap one for its archive.

Alerts: 77
Warnings: 23
Watches: 5
Advisories: 24
Busiest day: May 15, 202011 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, 1:49 PM EDT	Small Craft Advisory	BOX		47 hr
May 1, 3:59 PM EDT	Special Weather Statement	BOX	Hampshire	46 min
May 1, 4:07 PM EDT	Special Weather Statement	BOX	Hampden	38 min
May 1, 4:20 PM EDT	Special Weather Statement	BOX	Franklin	40 min
May 1, 4:43 PM EDT	Special Weather Statement	BOX	Hampshire	47 min
May 1, 4:47 PM EDT	Special Weather Statement	BOX	Franklin	43 min
May 1, 5:26 PM EDT	Special Weather Statement	BOX	Franklin	49 min
May 4, 1:05 AM EDT	Small Craft Advisory	BOX		39 hr
May 4, 4:18 PM EDT	Small Craft Advisory	BOX		20 hr
May 6, 3:47 AM EDT	Small Craft Advisory	BOX		47 hr
May 6, 3:57 AM EDT	Coastal Flood Statement	BOX	Barnstable, Essex, Nantucket, Norfolk, Plymouth, Suffolk	22 hr
May 6, 3:41 PM EDT	Coastal Flood Advisory	BOX	Barnstable, Bristol, Dukes, Essex, Nantucket, Norfolk and 2 more	35 hr
May 7, 3:32 AM EDT	Gale Watch	BOX		24 hr
May 8, 3:15 AM EDT	Gale Warning	BOX		68 hr
May 8, 3:26 AM EDT	Coastal Flood Statement	BOX	Barnstable, Dukes, Essex, Nantucket, Norfolk, Plymouth and 1 more	10 hr
May 8, 1:45 PM EDT	Coastal Flood Statement	BOX	Bristol, Plymouth	10 hr
May 8, 1:45 PM EDT	Coastal Flood Advisory	BOX	Barnstable, Dukes, Essex, Nantucket, Norfolk, Plymouth and 1 more	13 hr
May 8, 3:42 PM EDT	Wind Advisory	BOX	Barnstable, Bristol, Dukes, Essex, Franklin, Hampden and 7 more	34 hr
May 9, 3:37 AM EDT	Freeze Warning	BOX	Bristol, Essex, Franklin, Hampden, Hampshire, Middlesex and 3 more	27 hr
May 9, 3:48 AM EDT	Wind Advisory	ALY	Berkshire	16 hr
May 9, 9:24 PM EDT	Special Weather Statement	BOX	Bristol	51 min
May 10, 1:49 AM EDT	Small Craft Advisory	BOX		4 days
May 10, 2:59 PM EDT	Freeze Watch	ALY	Berkshire	24 hr
May 10, 3:57 PM EDT	Freeze Watch	BOX	Franklin, Hampden, Hampshire	22 hr
May 11, 3:15 AM EDT	Small Craft Advisory	BOX		56 hr
May 11, 12:56 PM EDT	Mesoscale Discussion	SPC	Essex, Middlesex, Norfolk, Suffolk, Worcester	3 hr
May 11, 1:45 PM EDT	Special Weather Statement	BOX	Worcester	30 min
May 11, 3:34 PM EDT	Special Weather Statement	BOX	Hampden	26 min
May 11, 4:55 PM EDT	Special Weather Statement	BOX	Essex, Norfolk	65 min
May 11, 5:47 PM EDT	Special Weather Statement	ALY	Berkshire	28 min
May 11, 6:01 PM EDT	Special Weather Statement	BOX	Franklin, Hampden, Hampshire	44 min
May 11, 6:02 PM EDT	Special Weather Statement	ALY	Berkshire	28 min
May 11, 6:26 PM EDT	Special Weather Statement	BOX	Essex, Middlesex, Norfolk, Plymouth	49 min
May 11, 7:24 PM EDT	Severe Thunderstorm Warning	BOX	Hampden, Hampshire, Worcester	25 min
May 12, 10:20 AM EDT	Freeze Warning	ALY	Berkshire	22 hr
May 12, 1:14 PM EDT	Frost Advisory	BOX	Bristol, Essex, Middlesex, Norfolk, Plymouth, Suffolk	19 hr
May 12, 1:14 PM EDT	Freeze Warning	BOX	Franklin, Hampden, Hampshire, Middlesex, Norfolk, Worcester	19 hr
May 13, 8:29 AM EDT	Small Craft Advisory	BOX		11 hr
May 13, 12:53 PM EDT	Freeze Warning	ALY	Berkshire	19 hr
May 13, 1:43 PM EDT	Freeze Warning	BOX	Franklin, Hampden, Hampshire, Worcester	18 hr
May 13, 4:20 PM EDT	Frost Advisory	BOX	Worcester	16 hr
May 14, 3:52 PM EDT	Small Craft Advisory	BOX		54 hr
May 15, 2:59 PM EDT	Mesoscale Discussion	SPC	Berkshire, Franklin, Hampshire	91 min
May 15, 3:32 PM EDT	Tornado Watch	SPC	Berkshire, Essex, Franklin, Hampden, Hampshire, Middlesex and 3 more	6 hr
May 15, 4:58 PM EDT	Mesoscale Discussion	SPC	Berkshire, Franklin, Hampden, Hampshire, Middlesex, Worcester	92 min
May 15, 5:19 PM EDT	Special Weather Statement	BOX	Hampden	41 min
May 15, 6:47 PM EDT	Severe Thunderstorm Warning	ALY	Berkshire	43 min
May 15, 6:49 PM EDT	Severe Thunderstorm Warning	BOX	Franklin, Hampshire	56 min
May 15, 6:59 PM EDT	Mesoscale Discussion	SPC	Berkshire, Franklin, Hampshire	2 hr
May 15, 7:13 PM EDT	Severe Thunderstorm Warning	ALY	Berkshire	47 min
May 15, 7:17 PM EDT	Severe Thunderstorm Warning	BOX	Hampden, Hampshire	58 min
May 15, 7:29 PM EDT	Severe Thunderstorm Warning	ALY	Berkshire	16 min
May 15, 7:31 PM EDT	Severe Thunderstorm Warning	BOX	Franklin, Hampshire, Middlesex, Worcester	59 min
May 15, 8:06 PM EDT	Severe Thunderstorm Warning	BOX	Franklin, Hampden, Hampshire, Worcester	54 min
May 15, 8:08 PM EDT	Severe Thunderstorm Warning	BOX	Essex, Middlesex, Norfolk, Worcester	52 min
May 15, 8:15 PM EDT	Severe Thunderstorm Warning	BOX	Hampden	60 min
May 15, 8:34 PM EDT	Severe Thunderstorm Warning	BOX	Hampden, Hampshire, Middlesex, Norfolk, Worcester	41 min
May 15, 8:48 PM EDT	Severe Thunderstorm Warning	BOX	Essex, Middlesex, Suffolk	35 min
May 15, 8:55 PM EDT	Special Marine Warning	BOX		35 min
May 15, 8:59 PM EDT	Severe Thunderstorm Warning	BOX	Bristol, Essex, Middlesex, Norfolk, Plymouth, Suffolk and 1 more	61 min
May 15, 9:09 PM EDT	Mesoscale Discussion	SPC	Bristol, Essex, Hampden, Middlesex, Norfolk, Plymouth and 2 more	66 min
May 15, 9:17 PM EDT	Special Marine Warning	BOX		28 min
May 17, 3:26 PM EDT	Gale Watch	BOX		20 hr
May 18, 11:32 AM EDT	Gale Warning	BOX		28 hr
May 18, 11:32 AM EDT	Small Craft Advisory	BOX		4 days
May 21, 6:45 PM EDT	Small Craft Advisory	BOX		9 hr
May 22, 2:14 PM EDT	Small Craft Advisory	BOX		5 hr
May 22, 7:05 PM EDT	Small Craft Advisory	BOX		60 hr
May 23, 10:35 AM EDT	Areal Flood Warning	BOX	Dukes, Nantucket	6 hr
May 25, 9:16 PM EDT	Dense Fog Advisory	BOX	Barnstable, Bristol, Dukes, Essex, Middlesex, Nantucket and 3 more	11 hr
May 26, 2:21 PM EDT	Dense Fog Advisory	BOX	Barnstable, Bristol, Dukes, Nantucket, Plymouth	18 hr
May 27, 4:07 PM EDT	Dense Fog Advisory	BOX	Barnstable, Bristol, Dukes, Nantucket, Plymouth	15 hr
May 28, 4:27 PM EDT	Small Craft Advisory	BOX		72 hr
May 28, 10:13 PM EDT	Dense Fog Advisory	BOX	Barnstable, Bristol, Dukes, Nantucket, Plymouth	14 hr
May 29, 8:01 PM EDT	Mesoscale Discussion	SPC	Berkshire, Franklin, Hampshire	119 min
May 30, 7:21 PM EDT	Special Weather Statement	ALY	Berkshire	39 min
May 31, 4:03 PM EDT	Small Craft Advisory	BOX		15 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	13
Tornado Watch	1
Mesoscale Discussion	6
Special Weather Statement	16
Flooding
Areal Flood Warning	1
Cold
Freeze Warning	5
Freeze Watch	2
Frost Advisory	2
Wind and dust
Wind Advisory	2
Fog and smoke
Dense Fog Advisory	4
Coast and beach
Coastal Flood Advisory	2
Coastal Flood Statement	3
Marine
Gale Warning	2
Special Marine Warning	2
Gale Watch	2
Small Craft Advisory	14

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 2019 2021

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.