Alert archive / Ohio / Mesoscale Discussions / 2026
Mesoscale Discussions in Ohio, August 2026
31 mesoscale discussions in August 2026. 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 August 2026. Tap one for its archive.
- Mesoscale Discussions
- 31
- Busiest day
- August 11, 20267 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 |
|---|---|---|---|---|
| Aug 1, 1:31 PM EDT | Mesoscale Discussion | SPC | Adams, Brown, Butler, Clermont, Hamilton, Preble and 1 more | 2 hr |
| Aug 1, 7:44 PM EDT | Mesoscale Discussion | SPC | Adams, Brown, Butler, Champaign, Clark, Clermont and 15 more | 2 hr |
| Aug 7, 1:33 PM EDT | Mesoscale Discussion | SPC | Adams, Brown, Butler, Champaign, Clark, Clermont and 22 more | 2 hr |
| Aug 8, 5:54 PM EDT | Mesoscale Discussion | SPC | Ashland, Ashtabula, Carroll, Columbiana, Coshocton, Crawford and 29 more | 2 hr |
| Aug 9, 4:39 PM EDT | Mesoscale Discussion | SPC | Allen, Auglaize, Crawford, Defiance, Erie, Fulton and 15 more | 2 hr |
| Aug 9, 7:22 PM EDT | Mesoscale Discussion | SPC | Allen, Ashland, Auglaize, Crawford, Defiance, Erie and 20 more | 83 min |
| Aug 9, 9:51 PM EDT | Mesoscale Discussion | SPC | Ashland, Crawford, Delaware, Erie, Franklin, Holmes and 10 more | 114 min |
| Aug 10, 8:41 AM EDT | Mesoscale Discussion | SPC | Ashtabula, Columbiana, Geauga, Lake, Mahoning, Portage and 3 more | 2 hr |
| Aug 10, 12:30 PM EDT | Mesoscale Discussion | SPC | Athens, Gallia, Hocking, Jackson, Lawrence, Meigs and 7 more | 2 hr |
| Aug 10, 2:29 PM EDT | Mesoscale Discussion | SPC | Adams, Auglaize, Brown, Champaign, Clark, Clinton and 12 more | 91 min |
| Aug 10, 6:15 PM EDT | Mesoscale Discussion | SPC | Allen, Auglaize, Darke, Defiance, Henry, Logan and 9 more | 2 hr |
| Aug 10, 9:00 PM EDT | Mesoscale Discussion | SPC | Allen, Auglaize, Champaign, Darke, Defiance, Hardin and 7 more | 90 min |
| Aug 10, 10:52 PM EDT | Mesoscale Discussion | SPC | Allen, Auglaize, Champaign, Clark, Coshocton, Crawford and 20 more | 83 min |
| Aug 11, 8:00 AM EDT | Mesoscale Discussion | SPC | Brown, Butler, Champaign, Clark, Clermont, Clinton and 12 more | 2 hr |
| Aug 11, 11:18 AM EDT | Mesoscale Discussion | SPC | Adams, Athens, Brown, Butler, Clark, Clermont and 21 more | 117 min |
| Aug 11, 12:12 PM EDT | Mesoscale Discussion | SPC | Brown, Butler, Champaign, Clark, Clermont, Clinton and 10 more | 63 min |
| Aug 11, 1:57 PM EDT | Mesoscale Discussion | SPC | Butler, Clermont, Hamilton, Montgomery, Preble, Warren | 2 hr |
| Aug 11, 3:52 PM EDT | Mesoscale Discussion | SPC | Adams, Brown, Butler, Clermont, Clinton, Hamilton and 1 more | 113 min |
| Aug 14, 12:03 AM EDT | Mesoscale Discussion | SPC | Butler, Darke, Hamilton, Montgomery, Preble | 117 min |
| Aug 15, 2:08 PM EDT | Mesoscale Discussion | SPC | Adams, Brown, Clermont, Clinton, Fayette, Hamilton and 4 more | 2 hr |
| Aug 15, 4:56 PM EDT | Mesoscale Discussion | SPC | Allen, Auglaize, Champaign, Clark, Darke, Delaware and 13 more | 2 hr |
| Aug 15, 9:23 PM EDT | Mesoscale Discussion | SPC | Champaign, Delaware, Franklin, Madison, Union | 97 min |
| Aug 16, 11:56 AM EDT | Mesoscale Discussion | SPC | Ashland, Athens, Belmont, Carroll, Columbiana, Coshocton and 26 more | 64 min |
| Aug 16, 2:28 PM EDT | Mesoscale Discussion | SPC | Athens, Belmont, Carroll, Columbiana, Coshocton, Gallia and 20 more | 2 hr |
| Aug 16, 6:00 PM EDT | Mesoscale Discussion | SPC | Adams, Brown, Butler, Clermont, Hamilton | 60 min |
| Aug 16, 6:31 PM EDT | Mesoscale Discussion | SPC | Gallia, Jackson, Lawrence, Meigs, Vinton | 89 min |
| Aug 19, 5:52 PM EDT | Mesoscale Discussion | SPC | Allen, Auglaize, Champaign, Darke, Delaware, Hardin and 8 more | 83 min |
| Aug 22, 11:38 AM EDT | Mesoscale Discussion | SPC | Ashland, Ashtabula, Athens, Belmont, Carroll, Columbiana and 35 more | 3 hr |
| Aug 22, 3:50 PM EDT | Mesoscale Discussion | SPC | Ashland, Ashtabula, Athens, Belmont, Carroll, Columbiana and 32 more | 115 min |
| Aug 23, 8:02 PM EDT | Mesoscale Discussion | SPC | Ashtabula, Cuyahoga, Geauga, Lake, Portage, Summit and 1 more | 88 min |
| Aug 26, 1:22 PM EDT | Mesoscale Discussion | SPC | Defiance, Fulton, Henry, Paulding, Van Wert, Williams | 113 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Brown County10
- Butler County10
- Clermont County10
- Hamilton County10
- Champaign County10
- Miami County10
- Montgomery County10
- Preble County9
- Warren County9
- Darke County9
- Adams County8
- Clark County8
- Clinton County8
- Logan County8
- Madison County8
- Ross County8
- Shelby County8
- Pike County8
- Vinton County8
- Auglaize County8
- Fayette County7
- Greene County7
- Highland County7
- Franklin County7
- Hocking County7
- Jackson County7
- Hardin County7
- Marion County7
- Allen County7
- Van Wert County7
- Meigs County7
- Pickaway County6
- Fairfield County6
- Gallia County6
- Scioto County6
- Ashland County6
- Columbiana County6
- Coshocton County6
- Delaware County6
- Holmes County6
48 more counties
- Knox County6
- Licking County6
- Mahoning County6
- Muskingum County6
- Portage County6
- Richland County6
- Stark County6
- Summit County6
- Trumbull County6
- Union County6
- Paulding County6
- Putnam County6
- Athens County6
- Morgan County6
- Lawrence County5
- Ashtabula County5
- Carroll County5
- Crawford County5
- Geauga County5
- Guernsey County5
- Harrison County5
- Huron County5
- Jefferson County5
- Lake County5
- Lorain County5
- Medina County5
- Morrow County5
- Tuscarawas County5
- Wayne County5
- Defiance County5
- Washington County5
- Mercer County5
- Perry County5
- Cuyahoga County4
- Wyandot County4
- Erie County4
- Henry County4
- Williams County4
- Belmont County4
- Monroe County4
- Noble County4
- Fulton County3
- Hancock County3
- Lucas County2
- Ottawa County2
- Sandusky County2
- Seneca County2
- Wood County2
Nearby
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.