Alert archive / Iowa / Flash Flood Warnings / 2016
Flash Flood Warnings in Iowa, September 2016
58 flash flood warnings in September 2016. 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 2016. Tap one for its archive.
- Flash Flood Warnings
- 58
- Busiest day
- September 22, 201615 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 7, 1:45 AM CDT | Flash Flood Warning | FSD | Plymouth, Sioux | 4 hr |
| Sep 7, 2:12 AM CDT | Flash Flood Warning | ARX | Allamakee, Winneshiek | 5 hr |
| Sep 7, 7:14 AM CDT | Flash Flood Warning | ARX | Allamakee, Winneshiek | 3 hr |
| Sep 7, 8:36 PM CDT | Flash Flood Warning | DVN | Des Moines | 6 hr |
| Sep 8, 1:34 AM CDT | Flash Flood Warning | DVN | Linn | 4 hr |
| Sep 9, 11:31 AM CDT | Flash Flood Warning | DMX | Bremer, Butler, Franklin | 6 hr |
| Sep 9, 12:28 PM CDT | Flash Flood Warning | ARX | Chickasaw, Fayette, Floyd, Howard, Winneshiek | 3 hr |
| Sep 9, 1:02 PM CDT | Flash Flood Warning | ARX | Allamakee, Winneshiek | 3 hr |
| Sep 9, 3:16 PM CDT | Flash Flood Warning | ARX | Chickasaw, Fayette, Floyd, Howard, Winneshiek | 3 hr |
| Sep 15, 11:34 AM CDT | Flash Flood Warning | FSD | Lyon | 3 hr |
| Sep 15, 1:40 PM CDT | Flash Flood Warning | FSD | Lyon, Osceola, Sioux | 3 hr |
| Sep 15, 2:11 PM CDT | Flash Flood Warning | FSD | Lyon | 3 hr |
| Sep 15, 4:07 PM CDT | Flash Flood Warning | FSD | Clay, Dickinson, O'Brien, Osceola, Sioux | 3 hr |
| Sep 15, 4:37 PM CDT | Flash Flood Warning | FSD | Lyon, Osceola, Sioux | 3 hr |
| Sep 15, 5:53 PM CDT | Flash Flood Warning | FSD | Buena Vista, Cherokee, Clay, O'Brien | 3 hr |
| Sep 15, 6:10 PM CDT | Flash Flood Warning | DMX | Calhoun, Humboldt, Pocahontas, Sac, Webster, Wright | 6 hr |
| Sep 15, 6:34 PM CDT | Flash Flood Warning | OAX | Monona | 4 hr |
| Sep 15, 6:54 PM CDT | Flash Flood Warning | OAX | Harrison, Monona | 4 hr |
| Sep 15, 7:47 PM CDT | Flash Flood Warning | OAX | Monona | 5 hr |
| Sep 15, 8:44 PM CDT | Flash Flood Warning | OAX | Harrison, Monona, Shelby | 5 hr |
| Sep 15, 9:58 PM CDT | Flash Flood Warning | DMX | Calhoun, Carroll, Crawford, Greene, Sac | 6 hr |
| Sep 15, 10:09 PM CDT | Flash Flood Warning | OAX | Monona | 6 hr |
| Sep 15, 10:52 PM CDT | Flash Flood Warning | OAX | Harrison, Monona | 6 hr |
| Sep 16, 12:20 AM CDT | Flash Flood Warning | OAX | Harrison | 4 hr |
| Sep 16, 1:25 AM CDT | Flash Flood Warning | OAX | Harrison, Pottawattamie | 3 hr |
| Sep 16, 1:40 AM CDT | Flash Flood Warning | OAX | Harrison, Monona, Pottawattamie, Shelby | 3 hr |
| Sep 21, 6:44 AM CDT | Flash Flood Warning | ARX | Allamakee | 6 hr |
| Sep 21, 4:47 PM CDT | Flash Flood Warning | ARX | Floyd | 4 hr |
| Sep 21, 4:50 PM CDT | Flash Flood Warning | DMX | Cerro Gordo | 6 hr |
| Sep 21, 6:03 PM CDT | Flash Flood Warning | ARX | Floyd | 3 hr |
| Sep 21, 6:23 PM CDT | Flash Flood Warning | ARX | Mitchell | 6 hr |
| Sep 21, 6:33 PM CDT | Flash Flood Warning | DMX | Cerro Gordo, Worth | 6 hr |
| Sep 21, 6:58 PM CDT | Flash Flood Warning | DMX | Butler | 12 hr |
| Sep 21, 7:05 PM CDT | Flash Flood Warning | ARX | Chickasaw | 5 hr |
| Sep 21, 8:11 PM CDT | Flash Flood Warning | ARX | Floyd | 8 hr |
| Sep 21, 8:54 PM CDT | Flash Flood Warning | DMX | Bremer | 6 hr |
| Sep 22, 12:04 AM CDT | Flash Flood Warning | ARX | Chickasaw | 4 hr |
| Sep 22, 12:48 AM CDT | Flash Flood Warning | ARX | Allamakee | 6 hr |
| Sep 22, 1:00 AM CDT | Flash Flood Warning | ARX | Howard, Mitchell, Winneshiek | 6 hr |
| Sep 22, 2:20 AM CDT | Flash Flood Warning | ARX | Chickasaw, Fayette, Floyd | 6 hr |
| Sep 22, 3:55 AM CDT | Flash Flood Warning | ARX | Chickasaw, Floyd | 4 hr |
| Sep 22, 4:09 AM CDT | Flash Flood Warning | ARX | Clayton | 6 hr |
| Sep 22, 4:13 AM CDT | Flash Flood Warning | DMX | Cerro Gordo, Hancock | 6 hr |
| Sep 22, 6:51 AM CDT | Flash Flood Warning | ARX | Allamakee | 3 hr |
| Sep 22, 7:00 AM CDT | Flash Flood Warning | DMX | Butler | 4 hr |
| Sep 22, 8:02 AM CDT | Flash Flood Warning | ARX | Chickasaw, Fayette, Floyd | 5 hr |
| Sep 22, 9:38 AM CDT | Flash Flood Warning | ARX | Allamakee | 3 hr |
| Sep 22, 10:19 AM CDT | Flash Flood Warning | ARX | Clayton | 3 hr |
| Sep 22, 9:37 PM CDT | Flash Flood Warning | DMX | Story | 6 hr |
| Sep 22, 9:48 PM CDT | Flash Flood Warning | DVN | Buchanan, Delaware, Dubuque, Jackson | 6 hr |
| Sep 22, 11:24 PM CDT | Flash Flood Warning | DMX | Bremer, Butler, Cerro Gordo, Franklin | 6 hr |
| Sep 23, 12:00 AM CDT | Flash Flood Warning | ARX | Chickasaw, Clayton, Fayette, Floyd | 5 hr |
| Sep 23, 1:22 AM CDT | Flash Flood Warning | DMX | Hancock, Wright | 6 hr |
| Sep 23, 3:36 AM CDT | Flash Flood Warning | DMX | Franklin, Humboldt, Kossuth, Wright | 6 hr |
| Sep 23, 3:38 AM CDT | Flash Flood Warning | DVN | Buchanan, Delaware | 6 hr |
| Sep 23, 4:33 AM CDT | Flash Flood Warning | DVN | Benton, Iowa, Johnson, Linn | 6 hr |
| Sep 23, 5:42 AM CDT | Flash Flood Warning | DMX | Palo Alto, Pocahontas | 4 hr |
| Sep 24, 10:19 PM CDT | Flash Flood Warning | DMX | Clarke, Madison, Warren | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Floyd County9
- Chickasaw County8
- Allamakee County7
- Monona County7
- Winneshiek County6
- Harrison County6
- Fayette County5
- Sioux County4
- Butler County4
- Lyon County4
- Cerro Gordo County4
- Bremer County3
- Franklin County3
- Howard County3
- Osceola County3
- Wright County3
- Clayton County3
- Linn County2
- Clay County2
- O'Brien County2
- Calhoun County2
- Humboldt County2
- Pocahontas County2
- Sac County2
- Shelby County2
- Pottawattamie County2
- Mitchell County2
- Hancock County2
- Buchanan County2
- Delaware County2
- Plymouth County1
- Des Moines County1
- Dickinson County1
- Buena Vista County1
- Cherokee County1
- Webster County1
- Carroll County1
- Crawford County1
- Greene County1
- Worth County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20152017
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.