Alert archive / Iowa / Tornado Watches
Tornado Watches in Iowa, 2012
8 tornado watches in 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 tornado watches reaches back to 1997.
Tornado Watches by county
Each county as a circle sized by its count in 2012. Tap one for its archive.
- Tornado Watches
- 8
- Busiest month
- April4 tornado watches
- Busiest day
- April 14, 20123 tornado watches
Over time
By month
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 |
|---|---|---|---|---|
| Mar 29, 5:10 PM CDT | Tornado Watch | SPC | Fremont, Mills, Montgomery, Page | 6 hr |
| Apr 14, 12:00 PM CDT | Tornado Watch | SPC | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 7 hr |
| Apr 14, 2:56 PM CDT | Tornado Watch | SPC | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 14 more | 2 hr |
| Apr 14, 5:00 PM CDT | Tornado Watch | SPC | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 18 more | 7 hr |
| Apr 15, 3:37 PM CDT | Tornado Watch | SPC | Cerro Gordo, Chickasaw, Clay, Dickinson, Emmet, Floyd and 8 more | 7 hr |
| May 1, 2:59 PM CDT | Tornado Watch | SPC | Clay, Dickinson, Lyon, O'Brien, Osceola, Sioux | 6 hr |
| May 3, 7:09 PM CDT | Tornado Watch | SPC | Adair, Adams, Appanoose, Cass, Cedar, Clarke and 23 more | 6 hr |
| May 5, 5:31 PM CDT | Tornado Watch | SPC | Plymouth, Sioux, Woodbury | 5 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Adair County3
- Adams County3
- Appanoose County3
- Cass County3
- Clarke County3
- Decatur County3
- Lucas County3
- Madison County3
- Marion County3
- Monroe County3
- Ringgold County3
- Taylor County3
- Union County3
- Warren County3
- Wayne County3
- Fremont County2
- Mills County2
- Montgomery County2
- Page County2
- Audubon County2
- Dallas County2
- Guthrie County2
- Jasper County2
- Polk County2
- Davis County2
- Mahaska County2
- Wapello County2
- Clay County2
- Dickinson County2
- Sioux County2
- Harrison County1
- Monona County1
- Pottawattamie County1
- Shelby County1
- Poweshiek County1
- Cerro Gordo County1
- Chickasaw County1
- Emmet County1
- Floyd County1
- Hancock County1
23 more counties
- Howard County1
- Kossuth County1
- Mitchell County1
- Palo Alto County1
- Winnebago County1
- Winneshiek County1
- Worth County1
- Lyon County1
- O'Brien County1
- Osceola County1
- Cedar County1
- Des Moines County1
- Henry County1
- Jefferson County1
- Keokuk County1
- Lee County1
- Louisa County1
- Muscatine County1
- Scott County1
- Van Buren County1
- Washington County1
- Plymouth County1
- Woodbury County1
The busiest days
Days with the most alerts issued, by UTC date.
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. Rebuilt daily.