Alert archive / Ohio / Mesoscale Discussions / 2025

Mesoscale Discussions in Ohio, March 2025

10 mesoscale discussions in March 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 mesoscale discussions reaches back to 2003.

Mesoscale Discussions by county

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

Mesoscale Discussions
10
Busiest day
March 15, 20253 mesoscale discussions

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
Mar 15, 2:09 AM EDTMesoscale DiscussionSPCButler, Darke, Hamilton, Mercer, Miami, Montgomery and 2 more96 min
Mar 15, 8:19 AM EDTMesoscale DiscussionSPCAdams, Ashland, Athens, Brown, Clermont, Coshocton and 31 more86 min
Mar 15, 3:48 PM EDTMesoscale DiscussionSPCAllen, Auglaize, Champaign, Clark, Darke, Defiance and 23 more87 min
Mar 16, 10:04 AM EDTMesoscale DiscussionSPCAshtabula, Athens, Belmont, Carroll, Columbiana, Geauga and 16 more86 min
Mar 16, 12:08 PM EDTMesoscale DiscussionSPCBelmont, Carroll, Columbiana, Geauga, Guernsey, Harrison and 9 more97 min
Mar 19, 8:48 PM EDTMesoscale DiscussionSPCDarke87 min
Mar 19, 11:04 PM EDTMesoscale DiscussionSPCBrown, Butler, Champaign, Clark, Clermont, Clinton and 10 more86 min
Mar 30, 3:49 PM EDTMesoscale DiscussionSPCAllen, Defiance, Fulton, Hancock, Henry, Lucas and 8 more116 min
Mar 30, 6:35 PM EDTMesoscale DiscussionSPCButler, Champaign, Clark, Clermont, Clinton, Darke and 8 more115 min
Mar 30, 9:13 PM EDTMesoscale DiscussionSPCAdams, Athens, Brown, Champaign, Clark, Clermont and 28 more2 hr

By county

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

42 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.