Alert archive / Iowa / Flash Flood Watches / 2009
Flash Flood Watches in Iowa, March 2009
5 flash flood watches in March 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 March 2009. Tap one for its archive.
- Flash Flood Watches
- 5
- Busiest day
- March 9, 20092 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 |
|---|---|---|---|---|
| Mar 6, 11:21 AM CST | Flash Flood Watch | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 51 hr |
| Mar 7, 3:59 PM CST | Flash Flood Watch | DMX | Appanoose, Black Hawk, Bremer, Butler, Davis, Grundy and 10 more | 20 hr |
| Mar 9, 3:45 AM CDT | Flash Flood Watch | DMX | Appanoose, Davis, Decatur, Lucas, Mahaska, Marion and 4 more | 24 hr |
| Mar 9, 4:19 AM CDT | Flash Flood Watch | DVN | Cedar, Clinton, Des Moines, Henry, Iowa, Jefferson and 8 more | 32 hr |
| Mar 23, 3:40 PM CDT | Flash Flood Watch | DMX | Appanoose, Clarke, Davis, Decatur, Lucas, Mahaska and 5 more | 21 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Appanoose County3
- Davis County3
- Lucas County3
- Mahaska County3
- Marion County3
- Monroe County3
- Poweshiek County3
- Wapello County3
- Wayne County3
- Cedar County2
- Clinton County2
- Des Moines County2
- Henry County2
- Iowa County2
- Jefferson County2
- Johnson County2
- Keokuk County2
- Lee County2
- Louisa County2
- Muscatine County2
- Scott County2
- Van Buren County2
- Washington County2
- Decatur County2
- Benton County1
- Buchanan County1
- Delaware County1
- Dubuque County1
- Jackson County1
- Jones County1
- Linn County1
- Black Hawk County1
- Bremer County1
- Butler County1
- Grundy County1
- Jasper County1
- Marshall County1
- Tama County1
- Clarke 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.