Alert archive / Ohio / Severe Thunderstorm Watches
Severe Thunderstorm Watches in Ohio, 2020
21 severe thunderstorm watches in 2020. 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 2020. Tap one for its archive.
- Severe Thunderstorm Watches
- 21
- Busiest month
- June6 severe thunderstorm watches
- Busiest day
- April 8, 20203 severe thunderstorm 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 |
|---|---|---|---|---|
| Jan 11, 9:36 AM EST | Severe Thunderstorm Watch | SPC | Adams, Brown, Clermont, Hamilton, Pike, Scioto | 7 hr |
| Mar 28, 1:42 PM EDT | Severe Thunderstorm Watch | SPC | Allen, Ashland, Athens, Auglaize, Belmont, Brown and 57 more | 6 hr |
| Mar 29, 12:05 PM EDT | Severe Thunderstorm Watch | SPC | Ashtabula, Columbiana, Mahoning, Trumbull | 4 hr |
| Apr 7, 9:07 PM EDT | Severe Thunderstorm Watch | SPC | Allen, Ashland, Ashtabula, Auglaize, Crawford, Cuyahoga and 33 more | 6 hr |
| Apr 7, 11:40 PM EDT | Severe Thunderstorm Watch | SPC | Athens, Belmont, Carroll, Champaign, Clark, Columbiana and 31 more | 6 hr |
| Apr 8, 1:10 PM EDT | Severe Thunderstorm Watch | SPC | Lawrence | 7 hr |
| Jun 4, 12:55 PM EDT | Severe Thunderstorm Watch | SPC | Ashland, Athens, Belmont, Carroll, Columbiana, Coshocton and 22 more | 6 hr |
| Jun 10, 11:54 AM EDT | Severe Thunderstorm Watch | SPC | Allen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more | 6 hr |
| Jun 10, 2:48 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Ashland, Auglaize, Brown, Butler, Champaign and 46 more | 6 hr |
| Jun 10, 6:51 PM EDT | Severe Thunderstorm Watch | SPC | Ashtabula, Athens, Belmont, Carroll, Columbiana, Coshocton and 22 more | 6 hr |
| Jun 26, 7:57 PM EDT | Severe Thunderstorm Watch | SPC | Allen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more | 7 hr |
| Jun 26, 11:15 PM EDT | Severe Thunderstorm Watch | SPC | Ashland, Ashtabula, Auglaize, Crawford, Cuyahoga, Delaware and 29 more | 5 hr |
| Jul 16, 1:20 PM EDT | Severe Thunderstorm Watch | SPC | Ashtabula, Belmont, Carroll, Columbiana, Coshocton, Cuyahoga and 17 more | 8 hr |
| Jul 19, 11:32 AM EDT | Severe Thunderstorm Watch | SPC | Allen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more | 5 hr |
| Jul 19, 4:16 PM EDT | Severe Thunderstorm Watch | SPC | Ashland, Ashtabula, Champaign, Clark, Crawford, Cuyahoga and 31 more | 4 hr |
| Aug 1, 3:57 PM EDT | Severe Thunderstorm Watch | SPC | Athens, Belmont, Carroll, Columbiana, Coshocton, Fairfield and 20 more | 7 hr |
| Aug 10, 4:26 PM EDT | Severe Thunderstorm Watch | SPC | Allen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more | 5 hr |
| Aug 10, 8:05 PM EDT | Severe Thunderstorm Watch | SPC | Auglaize, Butler, Champaign, Clark, Clermont, Clinton and 18 more | 5 hr |
| Aug 25, 1:21 PM EDT | Severe Thunderstorm Watch | SPC | Ashland, Athens, Belmont, Carroll, Columbiana, Coshocton and 34 more | 6 hr |
| Oct 23, 1:56 PM EDT | Severe Thunderstorm Watch | SPC | Allen, Ashland, Auglaize, Butler, Champaign, Clark and 39 more | 7 hr |
| Nov 15, 11:51 AM EST | Severe Thunderstorm Watch | SPC | Ashland, Ashtabula, Athens, Carroll, Columbiana, Coshocton and 24 more | 3 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Mahoning County10
- Ashland County9
- Columbiana County9
- Holmes County9
- Richland County9
- Stark County9
- Wayne County9
- Carroll County8
- Coshocton County8
- Guernsey County8
- Harrison County8
- Jefferson County8
- Knox County8
- Morrow County8
- Muskingum County8
- Trumbull County8
- Tuscarawas County8
- Wyandot County8
- Allen County7
- Athens County7
- Belmont County7
- Crawford County7
- Delaware County7
- Fairfield County7
- Hancock County7
- Hardin County7
- Hocking County7
- Licking County7
- Logan County7
- Marion County7
- Monroe County7
- Morgan County7
- Noble County7
- Perry County7
- Portage County7
- Putnam County7
- Summit County7
- Van Wert County7
- Ashtabula County7
- Auglaize County6
48 more counties
- Champaign County6
- Clark County6
- Franklin County6
- Mercer County6
- Shelby County6
- Union County6
- Vinton County6
- Washington County6
- Cuyahoga County6
- Defiance County6
- Fulton County6
- Geauga County6
- Henry County6
- Lake County6
- Lorain County6
- Lucas County6
- Medina County6
- Ottawa County6
- Paulding County6
- Sandusky County6
- Seneca County6
- Williams County6
- Wood County6
- Clermont County5
- Hamilton County5
- Darke County5
- Greene County5
- Madison County5
- Miami County5
- Montgomery County5
- Pickaway County5
- Ross County5
- Erie County5
- Huron County5
- Meigs County5
- Pike County4
- Scioto County4
- Butler County4
- Clinton County4
- Fayette County4
- Preble County4
- Warren County4
- Gallia County4
- Jackson County4
- Lawrence County4
- Brown County3
- Adams County2
- Highland County2
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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. Warning verification from the Mesonet's Cow. Rebuilt daily.