Alert archive / Ohio / Tornado Watches
Tornado Watches in Ohio, 2021
3 tornado watches in 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 tornado watches reaches back to 1997.
Tornado Watches by county
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Tornado Watches
- 3
- Busiest month
- June1 tornado watches
- Busiest day
- June 18, 20211 tornado watches
Over time
By month
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 |
|---|---|---|---|---|
| Jun 18, 4:02 PM EDT | Tornado Watch | SPC | Auglaize, Brown, Butler, Champaign, Clark, Clermont and 27 more | 7 hr |
| Sep 22, 2:23 PM EDT | Tornado Watch | SPC | Ashtabula, Belmont, Carroll, Columbiana, Geauga, Harrison and 7 more | 6 hr |
| Dec 11, 12:20 AM EST | Tornado Watch | SPC | Adams, Allen, Auglaize, Brown, Butler, Clermont and 14 more | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Auglaize County2
- Brown County2
- Butler County2
- Clermont County2
- Clinton County2
- Darke County2
- Greene County2
- Hamilton County2
- Highland County2
- Mercer County2
- Miami County2
- Montgomery County2
- Pike County2
- Preble County2
- Shelby County2
- Warren County2
- Champaign County1
- Clark County1
- Delaware County1
- Fairfield County1
- Fayette County1
- Franklin County1
- Hardin County1
- Hocking County1
- Knox County1
- Licking County1
- Logan County1
- Madison County1
- Marion County1
- Morrow County1
- Pickaway County1
- Ross County1
- Union County1
- Ashtabula County1
- Belmont County1
- Carroll County1
- Columbiana County1
- Geauga County1
- Harrison County1
- Jefferson County1
The busiest days
Days with the most alerts issued, by UTC date.
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.