Tornado Warnings in Ohio
2,017 tornado warnings 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 warnings reaches back to 1986.
Tornado Warnings by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Tornado Warnings
- 2,017
- Busiest year
- 2024124 tornado warnings
- Average year
- 49over 41 years on file
Over time
By year
Before October 2007 these were issued for whole counties, and a storm crossing three counties was often three warnings; since then one polygon follows the storm. The count changed with the practice, not only with the weather.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Brown County70
- Stark County67
- Miami County67
- Adams County64
- Wayne County63
- Licking County61
- Ashland County60
- Darke County60
- Clinton County60
- Summit County59
- Franklin County58
- Portage County58
- Montgomery County58
- Wood County57
- Highland County57
- Richland County54
- Scioto County54
- Medina County52
- Lorain County52
- Trumbull County51
- Clermont County50
- Champaign County50
- Greene County49
- Clark County49
- Huron County48
- Warren County48
- Preble County48
- Madison County47
- Pickaway County47
- Butler County47
- Fayette County46
- Mercer County46
- Seneca County46
- Fairfield County46
- Paulding County44
- Holmes County42
- Ross County42
- Ashtabula County41
- Mahoning County40
- Putnam County40
48 more counties
- Tuscarawas County40
- Pike County40
- Defiance County39
- Erie County39
- Henry County38
- Columbiana County38
- Belmont County37
- Cuyahoga County37
- Crawford County36
- Union County36
- Auglaize County36
- Carroll County35
- Van Wert County35
- Logan County35
- Shelby County35
- Hamilton County34
- Sandusky County33
- Delaware County33
- Ottawa County32
- Geauga County31
- Lucas County31
- Marion County31
- Knox County31
- Morrow County30
- Meigs County29
- Harrison County28
- Hancock County27
- Athens County27
- Gallia County27
- Jefferson County26
- Lawrence County26
- Williams County26
- Fulton County25
- Hocking County25
- Guernsey County24
- Monroe County24
- Muskingum County22
- Allen County21
- Noble County21
- Coshocton County20
- Wyandot County19
- Washington County19
- Hardin County17
- Jackson County16
- Lake County15
- Perry County13
- Vinton County13
- Morgan County10
The latest tornado warnings
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 20, 11:04 PM EDT | Tornado Warning | RLX | Athens, Vinton | 10 min |
| Sep 20, 10:55 PM EDT | Tornado Warning | RLX | Vinton | 19 min |
| Sep 20, 8:02 PM EDT | Tornado Warning | ILN | Butler, Warren | 17 min |
| Sep 20, 7:54 PM EDT | Tornado Warning | ILN | Butler, Montgomery, Warren | 21 min |
| Sep 9, 9:47 PM EDT | Tornado Warning | PBZ | Belmont, Guernsey, Monroe, Noble | 15 min |
| Sep 9, 8:57 PM EDT | Tornado Warning | ILN | Licking | 33 min |
| Sep 9, 8:11 PM EDT | Tornado Warning | PBZ | Coshocton, Tuscarawas | 34 min |
| Sep 3, 6:04 PM EDT | Tornado Warning | CLE | Cuyahoga, Geauga, Lake | 23 min |
| Aug 22, 5:01 PM EDT | Tornado Warning | CLE | Cuyahoga, Lorain | 29 min |
| Aug 16, 2:37 PM EDT | Tornado Warning | PBZ | Belmont, Guernsey, Noble | 23 min |
| Aug 16, 2:19 PM EDT | Tornado Warning | PBZ | Carroll, Columbiana, Jefferson | 26 min |
| Aug 16, 1:19 PM EDT | Tornado Warning | ILN | Licking | 11 min |
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.