Alert archive / Massachusetts / Small Craft Advisories / 2021

Small Craft Advisories in Massachusetts, May 2021

15 small craft advisories in May 2021. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of small craft advisories reaches back to 2005.

Small Craft Advisories by county

Each county as a circle sized by its count in May 2021. Tap one for its archive.

Small Craft Advisories: 15
Busiest day: May 26, 20212 small craft advisories

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	Lasted
May 1, 2:40 AM EDT	Small Craft Advisory	BOX	11 hr
May 2, 3:12 AM EDT	Small Craft Advisory	BOX	35 hr
May 4, 3:45 AM EDT	Small Craft Advisory	BOX	35 hr
May 5, 2:15 PM EDT	Small Craft Advisory	BOX	26 hr
May 8, 3:33 AM EDT	Small Craft Advisory	BOX	43 hr
May 9, 9:47 AM EDT	Small Craft Advisory	BOX	24 hr
May 11, 3:08 AM EDT	Small Craft Advisory	BOX	27 hr
May 11, 10:03 PM EDT	Small Craft Advisory	BOX	8 hr
May 21, 3:18 AM EDT	Small Craft Advisory	BOX	5 days
May 23, 3:27 AM EDT	Small Craft Advisory	BOX	18 hr
May 24, 6:37 PM EDT	Small Craft Advisory	BOX	39 hr
May 25, 10:05 PM EDT	Small Craft Advisory	BOX	12 hr
May 26, 9:51 AM EDT	Small Craft Advisory	BOX	21 hr
May 28, 4:13 PM EDT	Small Craft Advisory	BOX	12 hr
May 29, 3:47 PM EDT	Small Craft Advisory	BOX	51 hr

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.