Alert archive / Ohio / Mesoscale Discussions / 2025
Mesoscale Discussions in Ohio, May 2025
15 mesoscale discussions 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 mesoscale discussions reaches back to 2003.
Mesoscale Discussions by county
Each county as a circle sized by its count in May 2025. Tap one for its archive.
- Mesoscale Discussions
- 15
- Busiest day
- May 1, 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 1, 12:12 PM EDT | Mesoscale Discussion | SPC | Adams, Ashland, Athens, Belmont, Brown, Carroll and 49 more | 2 hr |
| May 1, 2:43 PM EDT | Mesoscale Discussion | SPC | Adams, Ashland, Ashtabula, Athens, Belmont, Carroll and 38 more | 92 min |
| May 1, 6:50 PM EDT | Mesoscale Discussion | SPC | Gallia, Lawrence, Meigs, Monroe, Washington | 115 min |
| May 2, 11:43 AM EDT | Mesoscale Discussion | SPC | Ashland, Carroll, Champaign, Clark, Columbiana, Coshocton and 36 more | 2 hr |
| May 2, 2:58 PM EDT | Mesoscale Discussion | SPC | Ashland, Belmont, Carroll, Columbiana, Coshocton, Fairfield and 24 more | 2 hr |
| May 2, 4:22 PM EDT | Mesoscale Discussion | SPC | Adams, Brown, Clermont | 113 min |
| May 4, 2:34 PM EDT | Mesoscale Discussion | SPC | Adams, Athens, Belmont, Brown, Carroll, Clermont and 33 more | 2 hr |
| May 5, 1:02 PM EDT | Mesoscale Discussion | SPC | Athens, Belmont, Carroll, Columbiana, Coshocton, Gallia and 21 more | 118 min |
| May 5, 6:56 PM EDT | Mesoscale Discussion | SPC | Ashland, Crawford, Erie, Holmes, Huron, Knox and 8 more | 94 min |
| May 16, 4:36 AM EDT | Mesoscale Discussion | SPC | Ashtabula, Cuyahoga, Erie, Geauga, Lake, Lorain and 2 more | 84 min |
| May 16, 4:38 AM EDT | Mesoscale Discussion | SPC | Ashtabula, Cuyahoga, Erie, Geauga, Lake, Lorain and 2 more | 97 min |
| May 16, 6:51 PM EDT | Mesoscale Discussion | SPC | Adams, Brown, Butler, Champaign, Clark, Clermont and 10 more | 114 min |
| May 16, 8:37 PM EDT | Mesoscale Discussion | SPC | Ashland, Carroll, Columbiana, Coshocton, Crawford, Cuyahoga and 24 more | 2 hr |
| May 16, 11:12 PM EDT | Mesoscale Discussion | SPC | Lawrence | 2 hr |
| May 21, 1:46 PM EDT | Mesoscale Discussion | SPC | Belmont, Carroll, Columbiana, Harrison, Jefferson, Mahoning | 2 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Carroll County8
- Columbiana County8
- Holmes County8
- Portage County8
- Trumbull County8
- Coshocton County7
- Harrison County7
- Jefferson County7
- Knox County7
- Mahoning County7
- Stark County7
- Tuscarawas County7
- Wayne County7
- Geauga County7
- Ashland County6
- Belmont County6
- Guernsey County6
- Licking County6
- Medina County6
- Muskingum County6
- Summit County6
- Adams County5
- Fairfield County5
- Hocking County5
- Meigs County5
- Monroe County5
- Morgan County5
- Noble County5
- Perry County5
- Pickaway County5
- Richland County5
- Washington County5
- Cuyahoga County5
- Athens County4
- Brown County4
- Clermont County4
- Crawford County4
- Fayette County4
- Marion County4
- Morrow County4
37 more counties
- Pike County4
- Ross County4
- Vinton County4
- Gallia County4
- Lake County4
- Lawrence County4
- Lorain County4
- Erie County4
- Champaign County3
- Clark County3
- Clinton County3
- Delaware County3
- Franklin County3
- Greene County3
- Highland County3
- Jackson County3
- Madison County3
- Scioto County3
- Ashtabula County3
- Huron County3
- Wyandot County3
- Hardin County2
- Logan County2
- Union County2
- Warren County2
- Miami County2
- Montgomery County2
- Sandusky County2
- Seneca County2
- Shelby County1
- Butler County1
- Darke County1
- Hamilton County1
- Preble County1
- Hancock County1
- Ottawa County1
- Wood County1
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.