Alert archive / Iowa / Flash Flood Watches
Flash Flood Watches in Iowa, 2021
15 flash flood watches in 2021. 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 2021. Tap one for its archive.
- Flash Flood Watches
- 15
- Busiest month
- June5 flash flood watches
- Busiest day
- June 24, 20213 flash flood 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 |
|---|---|---|---|---|
| Jun 24, 2:08 PM CDT | Flash Flood Watch | DVN | Cedar, Clinton, Des Moines, Henry, Jefferson, Johnson and 7 more | 54 hr |
| Jun 24, 2:23 PM CDT | Flash Flood Watch | OAX | Fremont, Page | 37 hr |
| Jun 24, 6:55 PM CDT | Flash Flood Watch | DMX | Adams, Appanoose, Clarke, Davis, Decatur, Lucas and 6 more | 12 hr |
| Jun 25, 2:24 PM CDT | Flash Flood Watch | DMX | Appanoose, Davis, Decatur, Lucas, Monroe, Ringgold and 3 more | 17 hr |
| Jun 28, 3:19 AM CDT | Flash Flood Watch | DVN | Clinton, Des Moines, Henry, Lee, Louisa, Muscatine and 2 more | 38 hr |
| Jul 9, 2:49 AM CDT | Flash Flood Watch | DVN | Des Moines, Henry, Jefferson, Lee, Van Buren | 40 hr |
| Jul 9, 3:12 AM CDT | Flash Flood Watch | DMX | Appanoose, Clarke, Davis, Decatur, Lucas, Madison and 4 more | 30 hr |
| Jul 30, 3:03 PM CDT | Flash Flood Watch | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 14 hr |
| Jul 30, 3:19 PM CDT | Flash Flood Watch | DMX | Adair, Adams, Audubon, Cass, Clarke, Decatur and 8 more | 15 hr |
| Aug 7, 6:18 PM CDT | Flash Flood Watch | ARX | Allamakee, Winneshiek | 35 hr |
| Aug 12, 12:44 PM CDT | Flash Flood Watch | DVN | Des Moines, Lee, Van Buren | 8 hr |
| Aug 12, 1:30 PM CDT | Flash Flood Watch | DMX | Appanoose, Davis | 7 hr |
| Aug 26, 5:50 PM CDT | Flash Flood Watch | DVN | Benton, Buchanan, Delaware, Dubuque, Jackson, Jones and 1 more | 13 hr |
| Aug 27, 7:38 PM CDT | Flash Flood Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 18 hr |
| Oct 23, 12:53 PM CDT | Flash Flood Watch | DVN | Des Moines, Henry, Jefferson, Lee, Louisa, Muscatine and 3 more | 38 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Des Moines County5
- Lee County5
- Van Buren County5
- Henry County4
- Appanoose County4
- Davis County4
- Decatur County4
- Lucas County4
- Wayne County4
- Jefferson County3
- Louisa County3
- Muscatine County3
- Scott County3
- Clarke County3
- Monroe County3
- Ringgold County3
- Taylor County3
- Wapello County3
- Clinton County2
- Washington County2
- Fremont County2
- Page County2
- Adams County2
- Union County2
- Madison County2
- Warren County2
- Allamakee County2
- Winneshiek County2
- Cedar County1
- Johnson County1
- Keokuk County1
- Harrison County1
- Mills County1
- Monona County1
- Montgomery County1
- Pottawattamie County1
- Shelby County1
- Adair County1
- Audubon County1
- Cass County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.