Alert archive / Ohio / Severe Thunderstorm Watches
Severe Thunderstorm Watches in Ohio, 2011
57 severe thunderstorm watches in 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 2011. Tap one for its archive.
- Severe Thunderstorm Watches
- 57
- Busiest month
- May13 severe thunderstorm watches
- Busiest day
- April 20, 20113 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 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 |
| May 10, 1:10 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Athens, Auglaize, Brown, Butler, Champaign and 24 more | 7 hr |
| May 10, 3:31 PM EDT | Severe Thunderstorm Watch | SPC | Allen, Paulding, Putnam, Van Wert | 4 hr |
| May 10, 7:45 PM EDT | Severe Thunderstorm Watch | SPC | Gallia, Lawrence, Meigs | 5 hr |
| May 11, 1:01 AM EDT | Severe Thunderstorm Watch | SPC | Adams, Auglaize, Brown, Champaign, Clark, Clermont and 15 more | 5 hr |
| May 12, 11:04 AM EDT | Severe Thunderstorm Watch | SPC | Ashland, Ashtabula, Athens, Belmont, Carroll, Columbiana and 39 more | 8 hr |
| May 18, 12:55 PM EDT | Severe Thunderstorm Watch | SPC | Belmont, Carroll, Columbiana, Harrison, Jefferson, Monroe | 8 hr |
| May 22, 5:40 PM EDT | Severe Thunderstorm Watch | SPC | Athens, Gallia, Jackson, Lawrence, Meigs, Morgan and 3 more | 5 hr |
| May 23, 2:15 PM EDT | Severe Thunderstorm Watch | SPC | Allen, Defiance, Fulton, Hancock, Henry, Lucas and 8 more | 8 hr |
| May 23, 4:28 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Ashland, Auglaize, Brown, Butler, Champaign and 44 more | 6 hr |
| May 23, 8:31 PM EDT | Severe Thunderstorm Watch | SPC | Ashtabula, Athens, Belmont, Carroll, Columbiana, Coshocton and 24 more | 3 hr |
| May 26, 6:06 PM EDT | Severe Thunderstorm Watch | SPC | Ashtabula, Belmont, Carroll, Columbiana, Coshocton, Cuyahoga and 17 more | 6 hr |
| May 29, 6:17 PM EDT | Severe Thunderstorm Watch | SPC | Ashtabula, Cuyahoga, Erie, Geauga, Huron, Lake and 5 more | 5 hr |
| May 31, 3:33 PM EDT | Severe Thunderstorm Watch | SPC | Defiance, Fulton, Paulding, Williams | 7 hr |
| Jun 4, 3:08 PM EDT | Severe Thunderstorm Watch | SPC | Allen, Defiance, Fulton, Hancock, Henry, Lucas and 8 more | 7 hr |
| Jun 4, 6:13 PM EDT | Severe Thunderstorm Watch | SPC | Ashland, Athens, Auglaize, Belmont, Butler, Carroll and 52 more | 7 hr |
| Jun 7, 6:47 AM EDT | Severe Thunderstorm Watch | SPC | Ashland, Ashtabula, Carroll, Columbiana, Coshocton, Cuyahoga and 18 more | 5 hr |
| Jun 9, 3:56 AM EDT | Severe Thunderstorm Watch | SPC | Ashland, Ashtabula, Carroll, Columbiana, Coshocton, Crawford and 28 more | 6 hr |
| Jun 9, 12:53 PM EDT | Severe Thunderstorm Watch | SPC | Athens, Belmont, Carroll, Columbiana, Coshocton, Gallia and 14 more | 7 hr |
| Jun 10, 2:02 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Allen, Auglaize, Brown, Butler, Champaign and 22 more | 7 hr |
| Jun 10, 6:44 PM EDT | Severe Thunderstorm Watch | SPC | Ashland, Belmont, Carroll, Columbiana, Coshocton, Crawford and 23 more | 5 hr |
| Jun 22, 1:14 PM EDT | Severe Thunderstorm Watch | SPC | Allen, Auglaize, Champaign, Darke, Defiance, Fulton and 17 more | 6 hr |
| Jul 2, 2:24 PM EDT | Severe Thunderstorm Watch | SPC | Defiance, Fulton, Henry, Paulding, Williams | 9 hr |
| Jul 11, 10:16 AM EDT | Severe Thunderstorm Watch | SPC | Adams, Allen, Ashland, Ashtabula, Auglaize, Belmont and 64 more | 9 hr |
| Jul 11, 2:16 PM EDT | Severe Thunderstorm Watch | SPC | Athens, Gallia, Jackson, Lawrence, Meigs, Monroe and 5 more | 6 hr |
| Jul 11, 7:18 PM EDT | Severe Thunderstorm Watch | SPC | Auglaize, Butler, Champaign, Clark, Clinton, Darke and 12 more | 3 hr |
| Jul 11, 9:22 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Athens, Belmont, Brown, Butler, Clark and 32 more | 3 hr |
| Jul 18, 3:57 PM EDT | Severe Thunderstorm Watch | SPC | Ashland, Ashtabula, Belmont, Carroll, Columbiana, Coshocton and 33 more | 6 hr |
| Jul 18, 6:26 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Athens, Brown, Champaign, Clark, Clinton and 23 more | 4 hr |
| Jul 22, 1:14 PM EDT | Severe Thunderstorm Watch | SPC | Allen, Ashland, Auglaize, Champaign, Clark, Clinton and 45 more | 7 hr |
| Jul 22, 5:37 PM EDT | Severe Thunderstorm Watch | SPC | Belmont, Carroll, Columbiana, Coshocton, Guernsey, Harrison and 5 more | 4 hr |
| Jul 25, 11:37 AM EDT | Severe Thunderstorm Watch | SPC | Ashtabula, Carroll, Columbiana, Geauga, Harrison, Jefferson and 6 more | 7 hr |
| Jul 28, 4:03 PM EDT | Severe Thunderstorm Watch | SPC | Ashland, Ashtabula, Belmont, Carroll, Columbiana, Coshocton and 30 more | 6 hr |
| Jul 29, 2:15 AM EDT | Severe Thunderstorm Watch | SPC | Fulton, Williams | 6 hr |
| Jul 29, 3:56 AM EDT | Severe Thunderstorm Watch | SPC | Ashtabula, Cuyahoga, Erie, Geauga, Lake, Lorain and 4 more | 5 hr |
| Aug 1, 1:19 PM EDT | Severe Thunderstorm Watch | SPC | Allen, Ashland, Ashtabula, Auglaize, Belmont, Carroll and 49 more | 6 hr |
| Aug 2, 6:22 PM EDT | Severe Thunderstorm Watch | SPC | Allen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more | 9 hr |
| Aug 3, 1:48 AM EDT | Severe Thunderstorm Watch | SPC | Ashland, Auglaize, Champaign, Clark, Crawford, Darke and 22 more | 8 hr |
| Aug 7, 1:11 PM EDT | Severe Thunderstorm Watch | SPC | Auglaize, Butler, Champaign, Clark, Clinton, Darke and 20 more | 6 hr |
| Aug 7, 5:49 PM EDT | Severe Thunderstorm Watch | SPC | Ashland, Athens, Belmont, Carroll, Coshocton, Guernsey and 16 more | 4 hr |
| Aug 9, 3:28 PM EDT | Severe Thunderstorm Watch | SPC | Allen, Auglaize, Butler, Champaign, Clark, Crawford and 34 more | 7 hr |
| Aug 9, 6:56 PM EDT | Severe Thunderstorm Watch | SPC | Ashland, Ashtabula, Carroll, Columbiana, Coshocton, Cuyahoga and 15 more | 5 hr |
| Aug 13, 1:12 PM EDT | Severe Thunderstorm Watch | SPC | Allen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more | 9 hr |
| Aug 13, 5:28 PM EDT | Severe Thunderstorm Watch | SPC | Erie, Hancock, Huron, Lucas, Ottawa, Sandusky and 2 more | 4 hr |
| Aug 13, 9:37 PM EDT | Severe Thunderstorm Watch | SPC | Auglaize, Butler, Champaign, Clark, Darke, Greene and 8 more | 2 hr |
| Aug 24, 7:08 PM EDT | Severe Thunderstorm Watch | SPC | Allen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more | 6 hr |
| Aug 24, 9:18 PM EDT | Severe Thunderstorm Watch | SPC | Ashland, Ashtabula, Auglaize, Brown, Butler, Champaign and 50 more | 6 hr |
| Aug 25, 12:42 AM EDT | Severe Thunderstorm Watch | SPC | Carroll, Columbiana, Coshocton, Harrison, Jefferson, Tuscarawas | 5 hr |
| Sep 3, 4:05 PM EDT | Severe Thunderstorm Watch | SPC | Fulton, Williams | 7 hr |
| Nov 14, 7:49 PM EST | Severe Thunderstorm Watch | SPC | Brown, Clermont, Clinton, Hamilton, Highland, Warren | 3 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Carroll County20
- Harrison County20
- Jefferson County20
- Columbiana County19
- Tuscarawas County19
- Hancock County18
- Seneca County18
- Wood County18
- Coshocton County18
- Logan County17
- Lucas County17
- Ottawa County17
- Richland County17
- Sandusky County17
- Holmes County17
- Stark County17
- Wayne County17
- Auglaize County16
- Champaign County16
- Clark County16
- Erie County16
- Fulton County16
- Greene County16
- Huron County16
- Miami County16
- Paulding County16
- Shelby County16
- Williams County16
- Wyandot County16
- Ashland County16
- Knox County16
- Mahoning County16
- Portage County16
- Summit County16
- Trumbull County16
- Belmont County16
- Crawford County15
- Darke County15
- Defiance County15
- Hardin County15
48 more counties
- Madison County15
- Marion County15
- Mercer County15
- Montgomery County15
- Morrow County15
- Ashtabula County15
- Geauga County15
- Medina County15
- Guernsey County15
- Monroe County15
- Allen County14
- Putnam County14
- Union County14
- Van Wert County14
- Lake County14
- Lorain County14
- Muskingum County14
- Noble County14
- Clinton County13
- Fayette County13
- Henry County13
- Highland County13
- Preble County13
- Meigs County13
- Cuyahoga County13
- Warren County12
- Lawrence County12
- Licking County12
- Butler County11
- Delaware County11
- Athens County11
- Gallia County11
- Ross County11
- Jackson County10
- Morgan County10
- Perry County10
- Vinton County10
- Washington County10
- Franklin County10
- Brown County9
- Hamilton County9
- Fairfield County9
- Pickaway County9
- Clermont County8
- Adams County8
- Hocking County8
- Pike County8
- Scioto County8
The busiest days
Days with the most alerts issued, by UTC date.
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. Rebuilt daily.