Alert archive / Ohio / Severe Thunderstorm Watches / 2011
Severe Thunderstorm Watches in Ohio, April 2011
8 severe thunderstorm watches in April 2011. 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 April 2011. Tap one for its archive.
- Severe Thunderstorm Watches
- 8
- Busiest day
- April 20, 20113 severe thunderstorm watches
Over time
By day
Days in UTC, the clock the archive keeps.
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 4, 5:30 AM EDT | Severe Thunderstorm Watch | SPC | Allen, Auglaize, Brown, Butler, Champaign, Clark and 38 more | 8 hr |
| Apr 4, 3:05 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Athens, Fairfield, Gallia, Highland, Hocking and 11 more | 6 hr |
| Apr 8, 2:53 PM EDT | Severe Thunderstorm Watch | SPC | Lawrence | 8 hr |
| Apr 19, 9:37 PM EDT | Severe Thunderstorm Watch | SPC | Allen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more | 3 hr |
| Apr 20, 12:18 AM EDT | Severe Thunderstorm Watch | SPC | Ashland, Ashtabula, Crawford, Erie, Geauga, Hancock and 21 more | 4 hr |
| Apr 20, 2:22 AM EDT | Severe Thunderstorm Watch | SPC | Belmont, Carroll, Columbiana, Coshocton, Guernsey, Harrison and 5 more | 3 hr |
| Apr 23, 4:39 PM EDT | Severe Thunderstorm Watch | SPC | Gallia, Jackson, Lawrence, Meigs | 4 hr |
| Apr 25, 2:47 PM EDT | Severe Thunderstorm Watch | SPC | Belmont, Carroll, Columbiana, Coshocton, Guernsey, Harrison and 12 more | 7 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lawrence County3
- Allen County2
- Crawford County2
- Defiance County2
- Erie County2
- Fulton County2
- Hancock County2
- Henry County2
- Highland County2
- Huron County2
- Lucas County2
- Marion County2
- Morrow County2
- Ottawa County2
- Paulding County2
- Putnam County2
- Richland County2
- Sandusky County2
- Seneca County2
- Van Wert County2
- Williams County2
- Wood County2
- Wyandot County2
- Gallia County2
- Jackson County2
- Meigs County2
- Holmes County2
- Mahoning County2
- Portage County2
- Stark County2
- Summit County2
- Trumbull County2
- Wayne County2
- Belmont County2
- Carroll County2
- Columbiana County2
- Coshocton County2
- Guernsey County2
- Harrison County2
- Jefferson County2
45 more counties
- Monroe County2
- Muskingum County2
- Noble County2
- Tuscarawas County2
- Auglaize County1
- Brown County1
- Butler County1
- Champaign County1
- Clark County1
- Clermont County1
- Clinton County1
- Darke County1
- Delaware County1
- Fayette County1
- Greene County1
- Hamilton County1
- Hardin County1
- Logan County1
- Madison County1
- Mercer County1
- Miami County1
- Montgomery County1
- Preble County1
- Shelby County1
- Union County1
- Warren County1
- Adams County1
- Athens County1
- Fairfield County1
- Hocking County1
- Morgan County1
- Perry County1
- Pickaway County1
- Pike County1
- Ross County1
- Scioto County1
- Vinton County1
- Washington County1
- Ashland County1
- Ashtabula County1
- Geauga County1
- Knox County1
- Lake County1
- Lorain County1
- Medina County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.