Alert archive / Ohio / Severe Thunderstorm Watches / 2025

Severe Thunderstorm Watches in Ohio, May 2025

7 severe thunderstorm watches in May 2025. 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 severe thunderstorm watches reaches back to 1997.

Severe Thunderstorm Watches by county

Each county as a circle sized by its count in May 2025. Tap one for its archive.

Severe Thunderstorm Watches
7
Busiest day
May 2, 20252 severe thunderstorm watches

Over time

By day

Days in UTC, the clock the archive keeps.

The alerts

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

IssuedProductOfficeCountiesLasted
May 1, 1:22 PM EDTSevere Thunderstorm WatchSPCAdams, Ashland, Ashtabula, Athens, Belmont, Brown and 60 more6 hr
May 2, 12:49 PM EDTSevere Thunderstorm WatchSPCAshland, Ashtabula, Belmont, Carroll, Champaign, Clark and 42 more7 hr
May 2, 1:57 PM EDTSevere Thunderstorm WatchSPCAdams, Brown, Clermont, Hamilton, Highland7 hr
May 5, 4:07 PM EDTSevere Thunderstorm WatchSPCAshland, Belmont, Carroll, Columbiana, Coshocton, Crawford and 25 more5 hr
May 16, 6:47 PM EDTSevere Thunderstorm WatchSPCPaulding, Van Wert3 hr
May 16, 9:56 PM EDTSevere Thunderstorm WatchSPCAshland, Belmont, Carroll, Columbiana, Coshocton, Crawford and 18 more4 hr
May 16, 11:32 PM EDTSevere Thunderstorm WatchSPCWashington4 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

33 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20242026

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.