Alert archive / Iowa / Flash Flood Watches / 2016
Flash Flood Watches in Iowa, September 2016
12 flash flood watches 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 watches reaches back to 2005.
Flash Flood Watches by county
Each county as a circle sized by its count in September 2016. Tap one for its archive.
- Flash Flood Watches
- 12
- Busiest day
- September 20, 20163 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 |
|---|---|---|---|---|
| Sep 6, 3:25 PM CDT | Flash Flood Watch | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 39 hr |
| Sep 6, 3:28 PM CDT | Flash Flood Watch | DMX | Black Hawk, Boone, Bremer, Butler, Cerro Gordo, Emmet and 21 more | 31 hr |
| Sep 9, 11:40 AM CDT | Flash Flood Watch | DMX | Bremer, Butler, Cerro Gordo, Franklin, Hancock, Winnebago and 1 more | 6 hr |
| Sep 9, 11:41 AM CDT | Flash Flood Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 7 hr |
| Sep 15, 3:35 PM CDT | Flash Flood Watch | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 32 more | 13 hr |
| Sep 15, 3:45 PM CDT | Flash Flood Watch | OAX | Harrison, Monona, Shelby | 12 hr |
| Sep 20, 10:21 AM CDT | Flash Flood Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 67 hr |
| Sep 20, 2:32 PM CDT | Flash Flood Watch | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 44 hr |
| Sep 20, 3:32 PM CDT | Flash Flood Watch | DMX | Black Hawk, Boone, Bremer, Butler, Calhoun, Carroll and 21 more | 69 hr |
| Sep 22, 8:59 PM CDT | Flash Flood Watch | DVN | Benton, Buchanan, Delaware, Dubuque, Jackson, Jones and 1 more | 13 hr |
| Sep 24, 2:22 PM CDT | Flash Flood Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 17 hr |
| Sep 24, 3:55 PM CDT | Flash Flood Watch | DMX | Bremer, Butler, Cerro Gordo, Franklin, Hancock, Winnebago and 2 more | 15 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bremer County5
- Butler County5
- Franklin County5
- Cerro Gordo County4
- Hancock County4
- Winnebago County4
- Worth County4
- Wright County4
- Black Hawk County3
- Boone County3
- Grundy County3
- Hamilton County3
- Hardin County3
- Humboldt County3
- Pocahontas County3
- Story County3
- Webster County3
- Allamakee County3
- Chickasaw County3
- Clayton County3
- Fayette County3
- Floyd County3
- Howard County3
- Mitchell County3
- Winneshiek County3
- Benton County2
- Buchanan County2
- Delaware County2
- Dubuque County2
- Jackson County2
- Jones County2
- Linn County2
- Emmet County2
- Kossuth County2
- Mahaska County2
- Marion County2
- Marshall County2
- Palo Alto County2
- Tama County2
- Calhoun County2
53 more counties
- Carroll County2
- Crawford County2
- Greene County2
- Sac County2
- Cedar County1
- Clinton County1
- Des Moines County1
- Henry County1
- Iowa County1
- Jefferson County1
- Johnson County1
- Keokuk County1
- Lee County1
- Louisa County1
- Muscatine County1
- Scott County1
- Van Buren County1
- Washington County1
- Jasper County1
- Polk County1
- Poweshiek County1
- Adair County1
- Adams County1
- Appanoose County1
- Audubon County1
- Cass County1
- Clarke County1
- Davis County1
- Decatur County1
- Guthrie County1
- Lucas County1
- Madison County1
- Monroe County1
- Ringgold County1
- Taylor County1
- Union County1
- Wapello County1
- Warren County1
- Wayne County1
- Harrison County1
- Monona County1
- Shelby County1
- Buena Vista County1
- Cherokee County1
- Clay County1
- Dickinson County1
- Ida County1
- Lyon County1
- O'Brien County1
- Osceola County1
- Plymouth County1
- Sioux County1
- Woodbury 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. Warning verification from the Mesonet's Cow. Rebuilt daily.