Alert archive / Iowa / Severe Thunderstorm Watches / 2012
Severe Thunderstorm Watches in Iowa, July 2012
4 severe thunderstorm watches in July 2012. 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 July 2012. Tap one for its archive.
- Severe Thunderstorm Watches
- 4
- Busiest day
- July 25, 20122 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, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 12:58 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 21 more | 7 hr |
| Jul 25, 4:28 PM CDT | Severe Thunderstorm Watch | SPC | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 7 hr |
| Jul 25, 5:16 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Allamakee, Audubon, Black Hawk, Boone and 48 more | 8 hr |
| Jul 25, 8:57 PM CDT | Severe Thunderstorm Watch | SPC | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 10 more | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Allamakee County2
- Benton County2
- Black Hawk County2
- Bremer County2
- Buchanan County2
- Butler County2
- Cedar County2
- Cerro Gordo County2
- Chickasaw County2
- Clayton County2
- Clinton County2
- Delaware County2
- Dubuque County2
- Fayette County2
- Floyd County2
- Franklin County2
- Grundy County2
- Howard County2
- Jackson County2
- Johnson County2
- Jones County2
- Linn County2
- Mitchell County2
- Muscatine County2
- Scott County2
- Winneshiek County2
- Worth County2
- Fremont County1
- Harrison County1
- Mills County1
- Monona County1
- Montgomery County1
- Page County1
- Pottawattamie County1
- Shelby County1
- Adair County1
- Adams County1
- Audubon County1
- Boone County1
- Buena Vista County1
38 more counties
- Calhoun County1
- Carroll County1
- Cass County1
- Cherokee County1
- Clay County1
- Crawford County1
- Dallas County1
- Dickinson County1
- Emmet County1
- Greene County1
- Guthrie County1
- Hamilton County1
- Hancock County1
- Hardin County1
- Humboldt County1
- Ida County1
- Jasper County1
- Kossuth County1
- Madison County1
- Marshall County1
- O'Brien County1
- Palo Alto County1
- Pocahontas County1
- Polk County1
- Poweshiek County1
- Sac County1
- Story County1
- Tama County1
- Taylor County1
- Union County1
- Webster County1
- Winnebago County1
- Woodbury County1
- Wright County1
- Iowa County1
- Keokuk County1
- Louisa County1
- Washington County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20112013
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.