Alert archive / Ohio / Mesoscale Discussions / 2021
Mesoscale Discussions in Ohio, August 2021
15 mesoscale discussions in August 2021. 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 2021. Tap one for its archive.
- Mesoscale Discussions
- 15
- Busiest day
- August 11, 20218 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 10, 12:12 PM EDT | Mesoscale Discussion | SPC | Belmont, Carroll, Guernsey, Harrison, Jefferson, Monroe and 5 more | 3 hr |
| Aug 10, 8:12 PM EDT | Mesoscale Discussion | SPC | Williams | 63 min |
| Aug 10, 10:57 PM EDT | Mesoscale Discussion | SPC | Defiance, Fulton, Henry, Lucas, Paulding, Putnam and 2 more | 93 min |
| Aug 11, 9:31 AM EDT | Mesoscale Discussion | SPC | Ashland, Ashtabula, Carroll, Columbiana, Coshocton, Crawford and 19 more | 89 min |
| Aug 11, 10:52 AM EDT | Mesoscale Discussion | SPC | Defiance, Paulding, Williams | 83 min |
| Aug 11, 11:50 AM EDT | Mesoscale Discussion | SPC | Carroll, Columbiana, Harrison, Jefferson, Mahoning, Trumbull | 115 min |
| Aug 11, 1:26 PM EDT | Mesoscale Discussion | SPC | Allen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more | 94 min |
| Aug 11, 2:12 PM EDT | Mesoscale Discussion | SPC | Allen, Ashland, Auglaize, Champaign, Crawford, Delaware and 26 more | 93 min |
| Aug 11, 4:24 PM EDT | Mesoscale Discussion | SPC | Athens, Belmont, Carroll, Clinton, Columbiana, Coshocton and 31 more | 96 min |
| Aug 12, 3:17 PM EDT | Mesoscale Discussion | SPC | Ashland, Carroll, Columbiana, Coshocton, Cuyahoga, Geauga and 13 more | 58 min |
| Aug 12, 6:22 PM EDT | Mesoscale Discussion | SPC | Belmont, Carroll, Columbiana, Harrison, Jefferson, Mahoning | 83 min |
| Aug 13, 1:13 PM EDT | Mesoscale Discussion | SPC | Adams, Athens, Belmont, Brown, Butler, Clark and 32 more | 2 hr |
| Aug 13, 7:49 PM EDT | Mesoscale Discussion | SPC | Carroll, Columbiana, Coshocton, Harrison, Holmes, Jefferson and 6 more | 56 min |
| Aug 25, 12:46 PM EDT | Mesoscale Discussion | SPC | Adams, Athens, Brown, Butler, Champaign, Clark and 33 more | 2 hr |
| Aug 29, 1:07 PM EDT | Mesoscale Discussion | SPC | Ashland, Ashtabula, Athens, Belmont, Carroll, Columbiana and 28 more | 83 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Harrison County10
- Carroll County8
- Jefferson County7
- Tuscarawas County7
- Columbiana County7
- Coshocton County7
- Mahoning County7
- Guernsey County6
- Holmes County6
- Trumbull County6
- Licking County6
- Belmont County5
- Morgan County5
- Muskingum County5
- Noble County5
- Washington County5
- Portage County5
- Stark County5
- Williams County4
- Ashland County4
- Geauga County4
- Knox County4
- Summit County4
- Wayne County4
- Franklin County4
- Athens County4
- Fairfield County4
- Hocking County4
- Perry County4
- Vinton County4
- Monroe County3
- Defiance County3
- Fulton County3
- Henry County3
- Paulding County3
- Putnam County3
- Cuyahoga County3
- Lorain County3
- Medina County3
- Morrow County3
46 more counties
- Madison County3
- Clinton County3
- Fayette County3
- Greene County3
- Highland County3
- Jackson County3
- Meigs County3
- Pickaway County3
- Pike County3
- Ross County3
- Warren County3
- Lucas County2
- Wood County2
- Ashtabula County2
- Crawford County2
- Erie County2
- Huron County2
- Lake County2
- Richland County2
- Allen County2
- Van Wert County2
- Champaign County2
- Delaware County2
- Union County2
- Adams County2
- Brown County2
- Butler County2
- Clark County2
- Clermont County2
- Hamilton County2
- Montgomery County2
- Preble County2
- Auglaize County1
- Hancock County1
- Hardin County1
- Logan County1
- Marion County1
- Mercer County1
- Ottawa County1
- Sandusky County1
- Seneca County1
- Shelby County1
- Wyandot County1
- Gallia County1
- Lawrence County1
- Scioto County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.