Alert archive / Minnesota

Special Marine Warnings in Minnesota

809 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
809
Busiest year
200756 special marine warnings
Average year
32over 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
Aug 25, 5:21 PM CDTSpecial Marine WarningDLH84 min
Aug 7, 3:08 PM CDTSpecial Marine WarningDLH67 min
Jul 30, 12:18 PM CDTSpecial Marine WarningDLH57 min
Jul 30, 11:16 AM CDTSpecial Marine WarningDLH59 min
Jul 27, 7:53 AM CDTSpecial Marine WarningDLH37 min
Jul 27, 7:28 AM CDTSpecial Marine WarningDLH24 min
Jul 27, 6:41 AM CDTSpecial Marine WarningDLH64 min
Jul 27, 5:54 AM CDTSpecial Marine WarningDLH66 min
Jul 27, 1:13 AM CDTSpecial Marine WarningDLH92 min
Jul 26, 8:24 PM CDTSpecial Marine WarningDLH96 min
Jul 26, 4:16 PM CDTSpecial Marine WarningDLH59 min
Jul 20, 6:29 AM CDTSpecial Marine WarningDLH50 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.