Alert archive / Iowa / Flash Flood Warnings / 2011
Flash Flood Warnings in Iowa, July 2011
16 flash flood warnings in July 2011. 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 flash flood warnings reaches back to 1986.
Flash Flood Warnings by county
Each county as a circle sized by its count in July 2011. Tap one for its archive.
- Flash Flood Warnings
- 16
- Busiest day
- July 28, 20115 flash flood 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 |
|---|---|---|---|---|
| Jul 11, 1:19 AM CDT | Flash Flood Warning | FSD | Dickinson, Osceola | 4 hr |
| Jul 14, 7:41 AM CDT | Flash Flood Warning | FSD | Buena Vista, Clay, Dickinson, O'Brien, Osceola | 3 hr |
| Jul 15, 5:31 PM CDT | Flash Flood Warning | DMX | Winnebago, Worth | 6 hr |
| Jul 15, 5:49 PM CDT | Flash Flood Warning | ARX | Howard, Mitchell | 3 hr |
| Jul 15, 7:20 PM CDT | Flash Flood Warning | DMX | Cerro Gordo, Worth | 4 hr |
| Jul 16, 12:58 AM CDT | Flash Flood Warning | OAX | Pottawattamie, Shelby | 3 hr |
| Jul 16, 2:22 AM CDT | Flash Flood Warning | DMX | Cass | 6 hr |
| Jul 22, 4:52 AM CDT | Flash Flood Warning | ARX | Allamakee, Clayton, Fayette, Winneshiek | 4 hr |
| Jul 23, 3:00 AM CDT | Flash Flood Warning | DVN | Buchanan, Delaware | 6 hr |
| Jul 27, 4:17 AM CDT | Flash Flood Warning | FSD | Lyon | 2 hr |
| Jul 27, 5:02 AM CDT | Flash Flood Warning | FSD | Osceola | 3 hr |
| Jul 27, 7:10 PM CDT | Flash Flood Warning | DVN | Dubuque, Jackson | 9 hr |
| Jul 27, 11:55 PM CDT | Flash Flood Warning | DVN | Jackson | 4 hr |
| Jul 28, 1:13 AM CDT | Flash Flood Warning | DVN | Buchanan, Delaware | 5 hr |
| Jul 28, 2:36 AM CDT | Flash Flood Warning | ARX | Clayton | 5 hr |
| Jul 28, 4:24 AM CDT | Flash Flood Warning | ARX | Fayette | 3 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Osceola County3
- Dickinson County2
- Worth County2
- Clayton County2
- Fayette County2
- Buchanan County2
- Delaware County2
- Jackson County2
- Buena Vista County1
- Clay County1
- O'Brien County1
- Winnebago County1
- Howard County1
- Mitchell County1
- Cerro Gordo County1
- Pottawattamie County1
- Shelby County1
- Cass County1
- Allamakee County1
- Winneshiek County1
- Lyon County1
- Dubuque County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.