Alert archive / Ohio / Severe Thunderstorm Watches / 2021
Severe Thunderstorm Watches in Ohio, August 2021
6 severe thunderstorm watches 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 severe thunderstorm watches reaches back to 1997.
Severe Thunderstorm Watches by county
Each county as a circle sized by its count in August 2021. Tap one for its archive.
- Severe Thunderstorm Watches
- 6
- Busiest day
- August 11, 20214 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 8:38 PM EDT | Severe Thunderstorm Watch | SPC | Williams | 5 hr |
| Aug 11, 11:50 AM EDT | Severe Thunderstorm Watch | SPC | Allen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more | 4 hr |
| Aug 11, 2:32 PM EDT | Severe Thunderstorm Watch | SPC | Ashland, Auglaize, Champaign, Clark, Crawford, Cuyahoga and 28 more | 4 hr |
| Aug 11, 4:57 PM EDT | Severe Thunderstorm Watch | SPC | Ashtabula, Belmont, Carroll, Columbiana, Coshocton, Geauga and 13 more | 3 hr |
| Aug 12, 3:48 PM EDT | Severe Thunderstorm Watch | SPC | Ashtabula, Carroll, Columbiana, Cuyahoga, Geauga, Harrison and 12 more | 6 hr |
| Aug 13, 4:46 PM EDT | Severe Thunderstorm Watch | SPC | Ashland, Athens, Belmont, Carroll, Columbiana, Coshocton and 21 more | 5 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Holmes County3
- Wayne County3
- Carroll County3
- Columbiana County3
- Harrison County3
- Jefferson County3
- Mahoning County3
- Stark County3
- Tuscarawas County3
- Williams County2
- Ashland County2
- Cuyahoga County2
- Knox County2
- Lorain County2
- Medina County2
- Richland County2
- Ashtabula County2
- Belmont County2
- Coshocton County2
- Geauga County2
- Guernsey County2
- Lake County2
- Monroe County2
- Muskingum County2
- Noble County2
- Portage County2
- Summit County2
- Trumbull County2
- Allen County1
- Defiance County1
- Fulton County1
- Henry County1
- Paulding County1
- Putnam County1
- Van Wert County1
- Auglaize County1
- Champaign County1
- Clark County1
- Crawford County1
- Darke County1
30 more counties
- Delaware County1
- Erie County1
- Franklin County1
- Hancock County1
- Hardin County1
- Huron County1
- Licking County1
- Logan County1
- Lucas County1
- Madison County1
- Marion County1
- Mercer County1
- Miami County1
- Morrow County1
- Ottawa County1
- Sandusky County1
- Seneca County1
- Shelby County1
- Union County1
- Wood County1
- Wyandot County1
- Athens County1
- Gallia County1
- Jackson County1
- Lawrence County1
- Meigs County1
- Morgan County1
- Perry County1
- Vinton County1
- Washington 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. Rebuilt daily.