Alert archive / Ohio / Severe Thunderstorm Watches / 2009
Severe Thunderstorm Watches in Ohio, May 2009
5 severe thunderstorm watches in May 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 severe thunderstorm watches reaches back to 1997.
Severe Thunderstorm Watches by county
Each county as a circle sized by its count in May 2009. Tap one for its archive.
- Severe Thunderstorm Watches
- 5
- Busiest day
- May 30, 20092 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 |
|---|---|---|---|---|
| May 14, 1:42 AM EDT | Severe Thunderstorm Watch | SPC | Allen, Auglaize, Butler, Champaign, Clark, Clermont and 25 more | 4 hr |
| May 16, 1:00 PM EDT | Severe Thunderstorm Watch | SPC | Belmont, Monroe | 7 hr |
| May 28, 2:21 PM EDT | Severe Thunderstorm Watch | SPC | Gallia, Lawrence | 8 hr |
| May 30, 4:49 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Clermont, Gallia, Hamilton, Jackson and 4 more | 11 hr |
| May 30, 7:29 PM EDT | Severe Thunderstorm Watch | SPC | Auglaize, Butler, Champaign, Clark, Clinton, Darke and 12 more | 4 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Auglaize County2
- Butler County2
- Champaign County2
- Clark County2
- Clermont County2
- Darke County2
- Greene County2
- Hamilton County2
- Mercer County2
- Miami County2
- Montgomery County2
- Preble County2
- Shelby County2
- Warren County2
- Gallia County2
- Lawrence County2
- Allen County1
- Defiance County1
- Fulton County1
- Hancock County1
- Hardin County1
- Henry County1
- Logan County1
- Lucas County1
- Ottawa County1
- Paulding County1
- Putnam County1
- Sandusky County1
- Seneca County1
- Van Wert County1
- Williams County1
- Wood County1
- Wyandot County1
- Belmont County1
- Monroe County1
- Adams County1
- Brown County1
- Jackson County1
- Meigs County1
- Scioto County1
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.