Alert archive / Indiana

Special Marine Warnings in Indiana

446 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
446
Busiest year
202643 special marine warnings
Average year
20over 22 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 12, 11:29 AM EDTSpecial Marine WarningIWX72 min
Aug 11, 12:22 PM EDTSpecial Marine WarningIWX38 min
Aug 11, 5:17 AM EDTSpecial Marine WarningIWX88 min
Aug 11, 1:58 AM EDTSpecial Marine WarningIWX92 min
Aug 10, 1:49 AM EDTSpecial Marine WarningIWX56 min
Aug 9, 4:10 PM EDTSpecial Marine WarningIWX95 min
Aug 9, 2:09 PM EDTSpecial Marine WarningIWX2 hr
Jul 27, 3:55 PM EDTSpecial Marine WarningIWX95 min
Jul 27, 1:16 PM EDTSpecial Marine WarningIWX119 min
Jul 3, 10:41 PM EDTSpecial Marine WarningIWX64 min
Jul 3, 3:00 PM EDTSpecial Marine WarningIWX60 min
Jul 3, 2:44 AM EDTSpecial Marine WarningIWX91 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.