Alert archive / Ohio / Tornado Watches
Tornado Watches in Ohio, 2018
4 tornado watches in 2018. 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 2018. Tap one for its archive.
- Tornado Watches
- 4
- Busiest month
- April2 tornado watches
- Busiest day
- April 3, 20182 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 |
|---|---|---|---|---|
| Apr 3, 1:16 PM EDT | Tornado Watch | SPC | Adams, Auglaize, Brown, Butler, Champaign, Clark and 26 more | 6 hr |
| Apr 3, 7:30 PM EDT | Tornado Watch | SPC | Adams, Brown, Butler, Champaign, Clark, Clermont and 16 more | 5 hr |
| Jul 20, 1:37 PM EDT | Tornado Watch | SPC | Brown, Butler, Clermont, Clinton, Greene, Hamilton and 4 more | 7 hr |
| Oct 2, 2:55 PM EDT | Tornado Watch | SPC | Ashtabula, Columbiana, Jefferson, Mahoning, Trumbull | 8 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Brown County3
- Butler County3
- Clermont County3
- Clinton County3
- Greene County3
- Hamilton County3
- Highland County3
- Montgomery County3
- Preble County3
- Warren County3
- Adams County2
- Champaign County2
- Clark County2
- Darke County2
- Fayette County2
- Madison County2
- Miami County2
- Pickaway County2
- Pike County2
- Ross County2
- Scioto County2
- Shelby County2
- Auglaize County1
- Delaware County1
- Fairfield County1
- Franklin County1
- Hardin County1
- Hocking County1
- Licking County1
- Logan County1
- Mercer County1
- Union County1
- Ashtabula County1
- Columbiana County1
- Jefferson County1
- Mahoning County1
- Trumbull County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.