Alert archive / Ohio / Severe Thunderstorm Watches
Severe Thunderstorm Watches in Ohio, 2018
14 severe thunderstorm 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 severe thunderstorm watches reaches back to 1997.
Severe Thunderstorm Watches by county
Each county as a circle sized by its count in 2018. Tap one for its archive.
- Severe Thunderstorm Watches
- 14
- Busiest month
- May8 severe thunderstorm watches
- Busiest day
- May 4, 20182 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 |
|---|---|---|---|---|
| Apr 3, 7:07 PM EDT | Severe Thunderstorm Watch | SPC | Athens, Belmont, Gallia, Guernsey, Harrison, Jackson and 10 more | 6 hr |
| May 4, 1:22 PM EDT | Severe Thunderstorm Watch | SPC | Ashland, Ashtabula, Crawford, Cuyahoga, Erie, Geauga and 22 more | 5 hr |
| May 4, 2:44 PM EDT | Severe Thunderstorm Watch | SPC | Belmont, Carroll, Columbiana, Coshocton, Guernsey, Harrison and 5 more | 6 hr |
| May 12, 2:47 PM EDT | Severe Thunderstorm Watch | SPC | Belmont, Carroll, Columbiana, Coshocton, Guernsey, Harrison and 7 more | 8 hr |
| May 13, 4:28 PM EDT | Severe Thunderstorm Watch | SPC | Belmont, Guernsey, Monroe, Morgan, Muskingum, Noble and 1 more | 7 hr |
| May 14, 12:29 PM EDT | Severe Thunderstorm Watch | SPC | Athens, Belmont, Guernsey, Harrison, Jefferson, Monroe and 5 more | 9 hr |
| May 21, 4:59 PM EDT | Severe Thunderstorm Watch | SPC | Ashland, Auglaize, Butler, Champaign, Clark, Crawford and 23 more | 6 hr |
| May 22, 1:42 PM EDT | Severe Thunderstorm Watch | SPC | Ashland, Ashtabula, Belmont, Brown, Butler, Carroll and 56 more | 7 hr |
| May 31, 2:30 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Auglaize, Brown, Butler, Champaign, Clark and 18 more | 3 hr |
| Jun 13, 6:33 PM EDT | Severe Thunderstorm Watch | SPC | Belmont, Jefferson | 4 hr |
| Aug 6, 1:47 PM EDT | Severe Thunderstorm Watch | SPC | Fulton, Williams | 5 hr |
| Sep 21, 4:32 PM EDT | Severe Thunderstorm Watch | SPC | Ashtabula, Belmont, Carroll, Columbiana, Coshocton, Geauga and 14 more | 4 hr |
| Sep 25, 8:45 PM EDT | Severe Thunderstorm Watch | SPC | Defiance, Fulton, Williams | 87 min |
| Oct 2, 3:29 PM EDT | Severe Thunderstorm Watch | SPC | Ashland, Athens, Belmont, Carroll, Champaign, Clark and 35 more | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Belmont County9
- Guernsey County8
- Muskingum County8
- Harrison County7
- Jefferson County7
- Noble County7
- Monroe County6
- Morgan County6
- Washington County5
- Holmes County5
- Knox County5
- Wayne County5
- Carroll County5
- Coshocton County5
- Tuscarawas County5
- Perry County4
- Ashland County4
- Geauga County4
- Marion County4
- Medina County4
- Morrow County4
- Portage County4
- Richland County4
- Stark County4
- Summit County4
- Columbiana County4
- Champaign County4
- Clark County4
- Greene County4
- Logan County4
- Athens County3
- Ashtabula County3
- Crawford County3
- Hancock County3
- Lake County3
- Mahoning County3
- Trumbull County3
- Wyandot County3
- Butler County3
- Darke County3
43 more counties
- Delaware County3
- Fairfield County3
- Franklin County3
- Hardin County3
- Licking County3
- Madison County3
- Miami County3
- Montgomery County3
- Preble County3
- Shelby County3
- Union County3
- Fayette County3
- Ross County3
- Vinton County2
- Cuyahoga County2
- Huron County2
- Lorain County2
- Seneca County2
- Auglaize County2
- Mercer County2
- Brown County2
- Clermont County2
- Clinton County2
- Hamilton County2
- Highland County2
- Hocking County2
- Pickaway County2
- Warren County2
- Fulton County2
- Williams County2
- Gallia County1
- Jackson County1
- Lawrence County1
- Meigs County1
- Erie County1
- Lucas County1
- Ottawa County1
- Sandusky County1
- Wood County1
- Adams County1
- Pike County1
- Scioto County1
- Defiance 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. Warning verification from the Mesonet's Cow. Rebuilt daily.