Alert archive / Ohio / Mesoscale Discussions / 2009
Mesoscale Discussions in Ohio, August 2009
13 mesoscale discussions in August 2009. 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 mesoscale discussions reaches back to 2003.
Mesoscale Discussions by county
Each county as a circle sized by its count in August 2009. Tap one for its archive.
- Mesoscale Discussions
- 13
- Busiest day
- August 20, 20093 mesoscale discussions
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 |
|---|---|---|---|---|
| Aug 4, 5:37 AM EDT | Mesoscale Discussion | SPC | Allen, Auglaize, Butler, Champaign, Clark, Clinton and 12 more | 53 min |
| Aug 4, 9:47 AM EDT | Mesoscale Discussion | SPC | Butler, Hamilton | 58 min |
| Aug 10, 2:26 PM EDT | Mesoscale Discussion | SPC | Ashtabula, Cuyahoga, Geauga, Huron, Lake, Medina and 3 more | 2 hr |
| Aug 10, 3:24 PM EDT | Mesoscale Discussion | SPC | Adams, Athens, Brown, Butler, Champaign, Clark and 32 more | 96 min |
| Aug 10, 8:15 PM EDT | Mesoscale Discussion | SPC | Ashland, Belmont, Carroll, Coshocton, Harrison, Holmes and 3 more | 2 hr |
| Aug 11, 12:39 PM EDT | Mesoscale Discussion | SPC | Allen, Ashland, Ashtabula, Auglaize, Carroll, Columbiana and 43 more | 2 hr |
| Aug 12, 12:36 PM EDT | Mesoscale Discussion | SPC | Monroe, Washington | 84 min |
| Aug 18, 2:32 PM EDT | Mesoscale Discussion | SPC | Belmont, Carroll, Columbiana, Guernsey, Harrison, Jefferson and 7 more | 88 min |
| Aug 19, 5:36 PM EDT | Mesoscale Discussion | SPC | Auglaize, Darke, Mercer, Paulding, Van Wert | 84 min |
| Aug 19, 9:18 PM EDT | Mesoscale Discussion | SPC | Ashland, Coshocton, Crawford, Delaware, Erie, Fairfield and 24 more | 57 min |
| Aug 20, 11:42 AM EDT | Mesoscale Discussion | SPC | Adams, Allen, Ashland, Athens, Auglaize, Brown and 71 more | 2 hr |
| Aug 20, 6:20 PM EDT | Mesoscale Discussion | SPC | Ashtabula, Athens, Belmont, Carroll, Columbiana, Coshocton and 17 more | 55 min |
| Aug 28, 2:57 PM EDT | Mesoscale Discussion | SPC | Ashland, Auglaize, Brown, Butler, Champaign, Clark and 37 more | 3 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Portage County6
- Coshocton County6
- Harrison County6
- Holmes County6
- Tuscarawas County6
- Stark County6
- Auglaize County5
- Butler County5
- Hamilton County5
- Geauga County5
- Huron County5
- Medina County5
- Summit County5
- Delaware County5
- Knox County5
- Ashland County5
- Carroll County5
- Wayne County5
- Champaign County4
- Clark County4
- Clinton County4
- Darke County4
- Greene County4
- Hardin County4
- Logan County4
- Madison County4
- Mercer County4
- Miami County4
- Montgomery County4
- Preble County4
- Shelby County4
- Warren County4
- Trumbull County4
- Fairfield County4
- Franklin County4
- Licking County4
- Noble County4
- Union County4
- Jefferson County4
- Crawford County4
48 more counties
- Marion County4
- Morrow County4
- Richland County4
- Wyandot County4
- Guernsey County4
- Allen County3
- Ashtabula County3
- Lake County3
- Athens County3
- Brown County3
- Clermont County3
- Fayette County3
- Highland County3
- Meigs County3
- Morgan County3
- Muskingum County3
- Perry County3
- Pickaway County3
- Ross County3
- Washington County3
- Belmont County3
- Columbiana County3
- Erie County3
- Hancock County3
- Lucas County3
- Mahoning County3
- Ottawa County3
- Paulding County3
- Sandusky County3
- Seneca County3
- Van Wert County3
- Wood County3
- Monroe County3
- Cuyahoga County2
- Adams County2
- Gallia County2
- Hocking County2
- Jackson County2
- Lawrence County2
- Pike County2
- Scioto County2
- Vinton County2
- Defiance County2
- Fulton County2
- Henry County2
- Lorain County2
- Putnam County2
- Williams County2
Nearby
Alerts in force nowTornadoes on recordThe radar archive20082010
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.