Tornado Watches in Ohio
267 tornado watches since 1986. 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 since 1986. Tap one for its archive.
- Tornado Watches
- 267
- Busiest year
- 200818 tornado watches
- Average year
- 9over 30 years on file
Over time
By year
Watches are counted from 1997, when the Storm Prediction Center archive begins.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Hamilton County114
- Butler County110
- Clermont County109
- Montgomery County106
- Preble County105
- Warren County105
- Brown County102
- Highland County102
- Clinton County101
- Pike County100
- Greene County97
- Ross County96
- Scioto County95
- Adams County94
- Fayette County94
- Darke County93
- Clark County90
- Miami County89
- Madison County88
- Pickaway County88
- Champaign County87
- Hocking County87
- Fairfield County86
- Shelby County84
- Franklin County83
- Licking County81
- Vinton County79
- Auglaize County78
- Lawrence County78
- Mercer County78
- Union County78
- Jackson County77
- Delaware County76
- Gallia County75
- Logan County75
- Athens County73
- Meigs County72
- Van Wert County72
- Allen County71
- Perry County71
48 more counties
- Hardin County68
- Morgan County67
- Putnam County67
- Paulding County66
- Williams County63
- Defiance County62
- Henry County62
- Fulton County60
- Washington County60
- Muskingum County58
- Morrow County57
- Wood County57
- Noble County56
- Guernsey County55
- Belmont County54
- Hancock County54
- Knox County54
- Monroe County53
- Seneca County52
- Marion County51
- Sandusky County51
- Lucas County50
- Coshocton County49
- Richland County49
- Wyandot County49
- Columbiana County48
- Ottawa County48
- Ashland County47
- Carroll County47
- Crawford County47
- Holmes County47
- Harrison County45
- Jefferson County45
- Stark County45
- Tuscarawas County45
- Wayne County45
- Huron County44
- Erie County43
- Lorain County41
- Mahoning County39
- Medina County39
- Portage County39
- Trumbull County39
- Summit County37
- Cuyahoga County35
- Ashtabula County33
- Geauga County33
- Lake County31
The latest tornado watches
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 4:39 AM EDT | Tornado Watch | SPC | Adams, Athens, Brown, Gallia, Highland, Jackson and 5 more | 6 hr |
| Jun 17, 10:13 PM EDT | Tornado Watch | SPC | Adams, Brown, Butler, Clermont, Clinton, Fayette and 9 more | 7 hr |
| Jun 11, 8:08 PM EDT | Tornado Watch | SPC | Allen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more | 6 hr |
| Mar 26, 4:52 PM EDT | Tornado Watch | SPC | Allen, Ashland, Ashtabula, Auglaize, Belmont, Carroll and 61 more | 6 hr |
| Mar 11, 11:59 AM EDT | Tornado Watch | SPC | Adams, Brown, Clermont, Hamilton, Highland, Hocking and 3 more | 7 hr |
| Mar 11, 10:35 AM EDT | Tornado Watch | SPC | Ashland, Ashtabula, Athens, Belmont, Carroll, Columbiana and 38 more | 8 hr |
| Mar 11, 6:22 AM EDT | Tornado Watch | SPC | Adams, Allen, Auglaize, Brown, Butler, Champaign and 29 more | 6 hr |
| Mar 7, 1:23 PM EST | Tornado Watch | SPC | Adams, Ashtabula, Athens, Belmont, Carroll, Columbiana and 24 more | 5 hr |
| Feb 19, 1:20 PM EST | Tornado Watch | SPC | Butler, Champaign, Clark, Clinton, Darke, Greene and 4 more | 10 hr |
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. Rebuilt daily.