Alert archive / Massachusetts

Special Marine Warnings in Massachusetts

2,128 special marine warnings since 1986. 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 special marine warnings reaches back to 1986.

Special Marine Warnings by county

Each county as a circle sized by its count since 1986. Tap one for its archive.

Special Marine Warnings
2,128
Busiest year
2008148 special marine warnings
Average year
85over 25 years on file

Over time

By year

Before October 2007 these were issued for whole counties, and a storm crossing three counties was often three warnings; since then one polygon follows the storm. The count changed with the practice, not only with the weather.

By month of the year

The latest special marine warnings

The most recent on file, newest first.

IssuedProductOfficeCountiesLasted
Sep 4, 5:41 AM EDTSpecial Marine WarningBOX64 min
Sep 4, 5:38 AM EDTSpecial Marine WarningBOX67 min
Sep 4, 4:57 AM EDTSpecial Marine WarningBOX23 min
Sep 4, 4:44 AM EDTSpecial Marine WarningBOX61 min
Sep 4, 4:35 AM EDTSpecial Marine WarningBOX44 min
Sep 4, 4:02 AM EDTSpecial Marine WarningBOX58 min
Sep 4, 3:41 AM EDTSpecial Marine WarningBOX53 min
Sep 4, 3:06 AM EDTSpecial Marine WarningBOX54 min
Aug 28, 4:16 PM EDTSpecial Marine WarningBOX59 min
Aug 23, 1:07 PM EDTSpecial Marine WarningBOX53 min
Aug 23, 12:15 PM EDTSpecial Marine WarningBOX60 min
Aug 13, 6:45 PM EDTSpecial Marine WarningBOX60 min

Nearby

Alerts in force nowTornadoes on recordThe radar archive

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.