Alert archive / Ohio

Special Marine Warnings in Ohio

2,171 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
2,171
Busiest year
2026132 special marine warnings
Average year
84over 26 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 15, 11:53 PM EDTSpecial Marine WarningCLE51 min
Sep 9, 3:28 PM EDTSpecial Marine WarningCLE63 min
Sep 4, 8:35 AM EDTSpecial Marine WarningCLE41 min
Sep 4, 7:35 AM EDTSpecial Marine WarningCLE85 min
Sep 3, 5:44 PM EDTSpecial Marine WarningCLE48 min
Sep 3, 4:51 PM EDTSpecial Marine WarningCLE100 min
Sep 3, 3:54 PM EDTSpecial Marine WarningCLE2 hr
Sep 3, 3:42 PM EDTSpecial Marine WarningCLE92 min
Sep 3, 2:46 PM EDTSpecial Marine WarningCLE43 min
Sep 3, 2:33 PM EDTSpecial Marine WarningCLE33 min
Sep 3, 5:07 AM EDTSpecial Marine WarningCLE53 min
Sep 3, 4:05 AM EDTSpecial Marine WarningCLE85 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. Rebuilt daily.