Alert archive / Iowa / Red Flag Warnings / 2012
Red Flag Warnings in Iowa, September 2012
10 red flag warnings in September 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 red flag warnings reaches back to 2005.
Red Flag Warnings by county
Each county as a circle sized by its count in September 2012. Tap one for its archive.
- Red Flag Warnings
- 10
- Busiest day
- September 10, 20123 red flag warnings
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 |
|---|---|---|---|---|
| Sep 8, 3:34 AM CDT | Red Flag Warning | FSD | 15 hr | |
| Sep 8, 3:46 AM CDT | Red Flag Warning | OAX | Monona | 15 hr |
| Sep 9, 11:30 AM CDT | Red Flag Warning | FSD | 58 hr | |
| Sep 9, 12:45 PM CDT | Red Flag Warning | OAX | Monona | 30 hr |
| Sep 10, 2:40 PM CDT | Red Flag Warning | ARX | Chickasaw, Floyd, Howard, Mitchell | 30 hr |
| Sep 10, 3:24 PM CDT | Red Flag Warning | DMX | Adair, Adams, Audubon, Boone, Bremer, Butler and 30 more | 28 hr |
| Sep 10, 3:39 PM CDT | Red Flag Warning | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 27 hr |
| Sep 19, 2:22 AM CDT | Red Flag Warning | OAX | Harrison, Monona | 17 hr |
| Sep 19, 4:11 AM CDT | Red Flag Warning | FSD | 16 hr | |
| Sep 21, 12:57 PM CDT | Red Flag Warning | FSD | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Monona County4
- Harrison County2
- Chickasaw County1
- Floyd County1
- Howard County1
- Mitchell County1
- Adair County1
- Adams County1
- Audubon County1
- Boone County1
- Bremer County1
- Butler County1
- Calhoun County1
- Carroll County1
- Cass County1
- Cerro Gordo County1
- Crawford County1
- Dallas County1
- Emmet County1
- Franklin County1
- Greene County1
- Grundy County1
- Guthrie County1
- Hamilton County1
- Hancock County1
- Hardin County1
- Humboldt County1
- Kossuth County1
- Madison County1
- Marshall County1
- Palo Alto County1
- Pocahontas County1
- Polk County1
- Ringgold County1
- Sac County1
- Story County1
- Taylor County1
- Union County1
- Webster County1
- Winnebago 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. Rebuilt daily.