Alert archive / Iowa / Flash Flood Watches / 2009
Flash Flood Watches in Iowa, August 2009
6 flash flood watches in August 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 flash flood watches reaches back to 2005.
Flash Flood Watches by county
Each county as a circle sized by its count in August 2009. Tap one for its archive.
- Flash Flood Watches
- 6
- Busiest day
- August 9, 20093 flash flood 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 |
|---|---|---|---|---|
| Aug 9, 2:35 PM CDT | Flash Flood Watch | ARX | Clayton, Fayette | 12 hr |
| Aug 9, 3:35 PM CDT | Flash Flood Watch | DMX | Black Hawk, Bremer, Grundy, Hardin, Tama | 5 hr |
| Aug 9, 3:41 PM CDT | Flash Flood Watch | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 5 more | 11 hr |
| Aug 17, 2:55 AM CDT | Flash Flood Watch | DMX | Appanoose, Clarke, Davis, Decatur, Lucas, Monroe and 3 more | 9 hr |
| Aug 17, 3:49 AM CDT | Flash Flood Watch | DVN | Des Moines, Henry, Jefferson, Lee, Van Buren | 11 hr |
| Aug 26, 9:10 AM CDT | Flash Flood Watch | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 13 more | 42 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Benton County2
- Buchanan County2
- Cedar County2
- Clinton County2
- Delaware County2
- Dubuque County2
- Iowa County2
- Jackson County2
- Johnson County2
- Jones County2
- Linn County2
- Des Moines County2
- Henry County2
- Jefferson County2
- Clayton County1
- Fayette County1
- Black Hawk County1
- Bremer County1
- Grundy County1
- Hardin County1
- Tama County1
- Appanoose County1
- Clarke County1
- Davis County1
- Decatur County1
- Lucas County1
- Monroe County1
- Ringgold County1
- Wapello County1
- Wayne County1
- Lee County1
- Van Buren County1
- Keokuk County1
- Louisa County1
- Muscatine County1
- Scott County1
- Washington 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.