Alert archive / Minnesota / Special Marine Warnings

Special Marine Warnings in Minnesota, 2021

30 special marine warnings in 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 special marine warnings reaches back to 1986.

Special Marine Warnings by county

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

Special Marine Warnings
30
Busiest month
July7 special marine warnings
Busiest day
July 24, 20214 special marine warnings

Over time

By month

The alerts

Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeCountiesLasted
Apr 5, 11:59 PM CDTSpecial Marine WarningDLH31 min
Apr 6, 12:17 AM CDTSpecial Marine WarningDLH28 min
May 25, 2:08 PM CDTSpecial Marine WarningDLH37 min
May 25, 2:43 PM CDTSpecial Marine WarningDLH47 min
May 25, 4:23 PM CDTSpecial Marine WarningDLH37 min
Jun 4, 9:17 PM CDTSpecial Marine WarningDLH29 min
Jun 6, 3:48 AM CDTSpecial Marine WarningDLH42 min
Jun 11, 9:54 AM CDTSpecial Marine WarningDLH66 min
Jun 24, 1:35 AM CDTSpecial Marine WarningDLH55 min
Jun 24, 2:44 AM CDTSpecial Marine WarningDLH46 min
Jun 30, 3:34 PM CDTSpecial Marine WarningDLH56 min
Jul 23, 7:33 PM CDTSpecial Marine WarningDLH87 min
Jul 23, 8:46 PM CDTSpecial Marine WarningDLH59 min
Jul 24, 4:57 AM CDTSpecial Marine WarningDLH63 min
Jul 24, 5:15 AM CDTSpecial Marine WarningDLH60 min
Jul 26, 7:34 PM CDTSpecial Marine WarningDLH56 min
Jul 26, 8:26 PM CDTSpecial Marine WarningDLH49 min
Jul 26, 11:38 PM CDTSpecial Marine WarningDLH35 min
Aug 10, 12:20 PM CDTSpecial Marine WarningDLH55 min
Aug 10, 1:33 PM CDTSpecial Marine WarningDLH57 min
Sep 7, 12:31 AM CDTSpecial Marine WarningDLH44 min
Sep 7, 1:18 AM CDTSpecial Marine WarningDLH27 min
Sep 7, 5:16 PM CDTSpecial Marine WarningDLH31 min
Sep 20, 5:48 PM CDTSpecial Marine WarningDLH57 min
Sep 20, 6:25 PM CDTSpecial Marine WarningDLH65 min
Sep 20, 6:42 PM CDTSpecial Marine WarningDLH33 min
Oct 10, 3:18 PM CDTSpecial Marine WarningDLH87 min
Oct 10, 5:04 PM CDTSpecial Marine WarningDLH56 min
Oct 10, 6:30 PM CDTSpecial Marine WarningDLH60 min
Oct 10, 7:55 PM CDTSpecial Marine WarningDLH24 min

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordThe radar archive20202022

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.