Alert archive / Iowa / Flash Flood Warnings / 2019
Flash Flood Warnings in Iowa, September 2019
30 flash flood warnings in September 2019. 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 September 2019. Tap one for its archive.
- Flash Flood Warnings
- 30
- Busiest day
- September 12, 20197 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 |
|---|---|---|---|---|
| Sep 11, 1:03 AM CDT | Flash Flood Warning | FSD | Lyon, Sioux | 6 hr |
| Sep 11, 3:14 AM CDT | Flash Flood Warning | FSD | Woodbury | 4 hr |
| Sep 11, 4:10 AM CDT | Flash Flood Warning | FSD | Ida, Woodbury | 3 hr |
| Sep 11, 4:43 AM CDT | Flash Flood Warning | OAX | Monona | 3 hr |
| Sep 11, 6:19 PM CDT | Flash Flood Warning | DVN | Delaware, Dubuque | 5 hr |
| Sep 11, 9:14 PM CDT | Flash Flood Warning | ARX | Clayton | 3 hr |
| Sep 11, 10:08 PM CDT | Flash Flood Warning | DVN | Dubuque | 6 hr |
| Sep 11, 11:38 PM CDT | Flash Flood Warning | DVN | Dubuque | 5 hr |
| Sep 12, 12:42 AM CDT | Flash Flood Warning | ARX | Clayton | 3 hr |
| Sep 12, 3:41 AM CDT | Flash Flood Warning | ARX | Clayton | 3 hr |
| Sep 12, 3:46 AM CDT | Flash Flood Warning | ARX | Clayton | 2 hr |
| Sep 12, 6:17 PM CDT | Flash Flood Warning | ARX | Clayton | 4 hr |
| Sep 12, 7:16 PM CDT | Flash Flood Warning | DVN | Dubuque | 5 hr |
| Sep 12, 9:34 PM CDT | Flash Flood Warning | ARX | Allamakee | 4 hr |
| Sep 15, 1:10 AM CDT | Flash Flood Warning | ARX | Clayton | 4 hr |
| Sep 15, 3:48 AM CDT | Flash Flood Warning | DVN | Cedar, Muscatine | 3 hr |
| Sep 15, 5:26 AM CDT | Flash Flood Warning | DVN | Clinton, Jackson | 3 hr |
| Sep 19, 2:46 AM CDT | Flash Flood Warning | OAX | Harrison, Monona | 6 hr |
| Sep 19, 4:00 AM CDT | Flash Flood Warning | ARX | Howard, Mitchell | 6 hr |
| Sep 19, 4:00 AM CDT | Flash Flood Warning | OAX | Monona | 5 hr |
| Sep 19, 5:06 AM CDT | Flash Flood Warning | OAX | Harrison, Monona, Pottawattamie | 6 hr |
| Sep 19, 6:56 AM CDT | Flash Flood Warning | OAX | Mills, Pottawattamie | 4 hr |
| Sep 19, 8:50 AM CDT | Flash Flood Warning | DVN | Delaware, Dubuque | 6 hr |
| Sep 24, 9:49 PM CDT | Flash Flood Warning | DMX | Cass | 6 hr |
| Sep 24, 9:57 PM CDT | Flash Flood Warning | OAX | Pottawattamie | 3 hr |
| Sep 27, 8:19 PM CDT | Flash Flood Warning | DVN | Lee | 6 hr |
| Sep 27, 9:04 PM CDT | Flash Flood Warning | DVN | Des Moines, Lee | 6 hr |
| Sep 28, 7:48 PM CDT | Flash Flood Warning | DMX | Appanoose, Davis, Monroe, Wapello, Wayne | 3 hr |
| Sep 28, 11:35 PM CDT | Flash Flood Warning | DVN | Scott | 4 hr |
| Sep 29, 7:51 AM CDT | Flash Flood Warning | DMX | Appanoose, Decatur, Wayne | 9 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Clayton County6
- Dubuque County5
- Monona County4
- Pottawattamie County3
- Woodbury County2
- Delaware County2
- Harrison County2
- Lee County2
- Appanoose County2
- Wayne County2
- Lyon County1
- Sioux County1
- Ida County1
- Allamakee County1
- Cedar County1
- Muscatine County1
- Clinton County1
- Jackson County1
- Howard County1
- Mitchell County1
- Mills County1
- Cass County1
- Des Moines County1
- Davis County1
- Monroe County1
- Wapello County1
- Scott County1
- Decatur County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20182020
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.