Alert archive / Iowa / Flash Flood Warnings
Flash Flood Warnings in Iowa, 2004
118 flash flood warnings in 2004. 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 2004. Tap one for its archive.
- Flash Flood Warnings
- 118
- Busiest month
- May64 flash flood warnings
- Busiest day
- May 24, 200415 flash flood warnings
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 |
|---|---|---|---|---|
| May 8, 7:57 PM CDT | Flash Flood Warning | DMX | Greene, Guthrie, Kossuth | 129 days |
| May 8, 8:52 PM CDT | Flash Flood Warning | ARX | Allamakee | 3 hr |
| May 8, 8:56 PM CDT | Flash Flood Warning | DMX | Audubon, Emmet, Palo Alto | 129 days |
| May 8, 9:01 PM CDT | Flash Flood Warning | DMX | Adair, Madison, Winnebago | 129 days |
| May 17, 7:45 PM CDT | Flash Flood Warning | DMX | Emmet, Madison, Palo Alto, Warren | 121 days |
| May 17, 9:41 PM CDT | Flash Flood Warning | DVN | Linn | 6 hr |
| May 21, 3:38 PM CDT | Flash Flood Warning | DMX | Black Hawk, Palo Alto, Pocahontas | 119 days |
| May 21, 4:43 PM CDT | Flash Flood Warning | DVN | Benton, Buchanan, Delaware, Linn | 6 hr |
| May 21, 5:27 PM CDT | Flash Flood Warning | DMX | Palo Alto, Pocahontas, Taylor | 120 days |
| May 21, 5:51 PM CDT | Flash Flood Warning | DVN | Jones | 6 hr |
| May 21, 6:09 PM CDT | Flash Flood Warning | DMX | Adams, Cerro Gordo, Franklin, Hancock, Humboldt, Kossuth and 1 more | 120 days |
| May 21, 7:00 PM CDT | Flash Flood Warning | ARX | Chickasaw, Floyd | 3 hr |
| May 21, 7:41 PM CDT | Flash Flood Warning | ARX | Allamakee, Winneshiek | 3 hr |
| May 21, 7:41 PM CDT | Flash Flood Warning | DMX | Bremer, Butler | 17 hr |
| May 21, 8:35 PM CDT | Flash Flood Warning | ARX | Clayton, Fayette | 3 hr |
| May 21, 9:08 PM CDT | Flash Flood Warning | ARX | Howard, Mitchell | 3 hr |
| May 21, 9:57 PM CDT | Flash Flood Warning | ARX | Chickasaw, Floyd | 3 hr |
| May 21, 10:00 PM CDT | Flash Flood Warning | DMX | Kossuth, Winnebago, Worth | 18 hr |
| May 21, 10:45 PM CDT | Flash Flood Warning | ARX | Allamakee, Winneshiek | 3 hr |
| May 21, 11:28 PM CDT | Flash Flood Warning | ARX | Clayton, Fayette | 3 hr |
| May 22, 12:03 AM CDT | Flash Flood Warning | FSD | Cherokee, Clay, O'Brien, Plymouth | 87 min |
| May 22, 12:11 AM CDT | Flash Flood Warning | ARX | Howard, Mitchell | 3 hr |
| May 22, 12:59 AM CDT | Flash Flood Warning | ARX | Chickasaw, Floyd | 3 hr |
| May 22, 3:21 AM CDT | Flash Flood Warning | DVN | Delaware, Dubuque | 6 hr |
| May 22, 3:40 AM CDT | Flash Flood Warning | DVN | Benton, Linn | 6 hr |
| May 22, 7:13 PM CDT | Flash Flood Warning | DMX | Boone, Story | 92 min |
| May 22, 8:21 PM CDT | Flash Flood Warning | DMX | Audubon, Boone, Carroll, Dallas, Greene, Guthrie and 4 more | 16 hr |
| May 22, 9:01 PM CDT | Flash Flood Warning | OAX | Harrison, Pottawattamie | 6 hr |
| May 22, 9:17 PM CDT | Flash Flood Warning | OAX | Shelby | 6 hr |
| May 22, 9:31 PM CDT | Flash Flood Warning | DMX | Tama | 15 hr |
| May 22, 10:15 PM CDT | Flash Flood Warning | DVN | Benton, Buchanan, Delaware, Dubuque, Jones, Linn | 10 hr |
| May 22, 10:22 PM CDT | Flash Flood Warning | DMX | Black Hawk | 16 hr |
| May 22, 11:14 PM CDT | Flash Flood Warning | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 6 hr |
| May 24, 4:34 PM CDT | Flash Flood Warning | OAX | Pottawattamie | 4 hr |
| May 24, 4:57 PM CDT | Flash Flood Warning | DMX | Humboldt | 4 hr |
| May 24, 5:02 PM CDT | Flash Flood Warning | DMX | Dallas, Madison | 6 hr |
| May 24, 5:07 PM CDT | Flash Flood Warning | OAX | Harrison, Shelby | 4 hr |
| May 24, 5:10 PM CDT | Flash Flood Warning | OAX | Mills | 4 hr |
| May 24, 5:12 PM CDT | Flash Flood Warning | DMX | Audubon, Carroll, Greene, Guthrie | 6 hr |
| May 24, 5:28 PM CDT | Flash Flood Warning | OAX | Fremont | 4 hr |
| May 24, 5:31 PM CDT | Flash Flood Warning | DMX | Boone | 6 hr |
| May 24, 5:39 PM CDT | Flash Flood Warning | DMX | Polk | 6 hr |
| May 24, 6:16 PM CDT | Flash Flood Warning | OAX | Montgomery, Page | 4 hr |
| May 24, 6:28 PM CDT | Flash Flood Warning | DMX | Taylor | 19 hr |
| May 24, 6:38 PM CDT | Flash Flood Warning | DMX | Marion | 18 hr |
| May 24, 6:42 PM CDT | Flash Flood Warning | DMX | Warren | 18 hr |
| May 24, 6:52 PM CDT | Flash Flood Warning | DMX | Decatur, Ringgold | 18 hr |
| May 24, 6:55 PM CDT | Flash Flood Warning | DMX | Mahaska | 18 hr |
| May 24, 7:11 PM CDT | Flash Flood Warning | DMX | Adair, Clarke, Lucas, Union, Wayne | 18 hr |
| May 24, 7:16 PM CDT | Flash Flood Warning | DMX | Jasper | 18 hr |
| May 24, 7:47 PM CDT | Flash Flood Warning | DMX | Poweshiek | 18 hr |
| May 24, 8:13 PM CDT | Flash Flood Warning | DMX | Appanoose, Davis, Monroe, Wapello | 18 hr |
| May 24, 8:28 PM CDT | Flash Flood Warning | DVN | Benton, Buchanan | 9 hr |
| May 27, 11:20 AM CDT | Flash Flood Warning | DMX | Ringgold, Taylor | 3 hr |
| May 27, 11:32 AM CDT | Flash Flood Warning | DMX | Decatur | 3 hr |
| May 27, 12:38 PM CDT | Flash Flood Warning | DMX | Adams | 3 hr |
| May 29, 9:35 PM CDT | Flash Flood Warning | FSD | Lyon, O'Brien, Osceola, Plymouth, Sioux | 6 hr |
| May 30, 5:22 AM CDT | Flash Flood Warning | DVN | Jefferson | 6 hr |
| May 30, 7:53 AM CDT | Flash Flood Warning | DVN | Scott | 6 hr |
| May 30, 2:47 PM CDT | Flash Flood Warning | DVN | Lee | 5 hr |
| May 30, 3:09 PM CDT | Flash Flood Warning | DVN | Jefferson, Keokuk, Washington | 5 hr |
| May 30, 3:36 PM CDT | Flash Flood Warning | ARX | Clayton | 4 hr |
| May 30, 4:12 PM CDT | Flash Flood Warning | DVN | Buchanan, Delaware, Dubuque, Jones, Linn | 63 min |
| May 30, 4:25 PM CDT | Flash Flood Warning | DVN | Buchanan, Delaware, Dubuque, Jones, Linn | 4 hr |
| Jun 8, 8:47 PM CDT | Flash Flood Warning | DMX | Winnebago | 16 hr |
| Jun 8, 8:57 PM CDT | Flash Flood Warning | DMX | Worth | 16 hr |
| Jun 8, 9:58 PM CDT | Flash Flood Warning | ARX | Allamakee | 3 hr |
| Jun 11, 6:14 PM CDT | Flash Flood Warning | DMX | Kossuth | 3 hr |
| Jun 11, 8:42 PM CDT | Flash Flood Warning | DMX | Hamilton | 3 hr |
| Jun 14, 6:15 AM CDT | Flash Flood Warning | DVN | Jefferson | 6 hr |
| Jun 16, 5:38 AM CDT | Flash Flood Warning | ARX | Fayette | 4 hr |
| Jun 16, 5:58 AM CDT | Flash Flood Warning | DVN | Buchanan | 4 hr |
| Jun 16, 10:37 AM CDT | Flash Flood Warning | FSD | Woodbury | 113 min |
| Jun 16, 11:00 AM CDT | Flash Flood Warning | FSD | Ida | 2 hr |
| Jun 16, 12:19 PM CDT | Flash Flood Warning | DMX | Sac | 3 hr |
| Jun 16, 12:58 PM CDT | Flash Flood Warning | FSD | Ida | 92 min |
| Jun 16, 1:17 PM CDT | Flash Flood Warning | DMX | Calhoun | 3 hr |
| Jun 16, 2:17 PM CDT | Flash Flood Warning | DVN | Buchanan | 9 hr |
| Jun 16, 3:29 PM CDT | Flash Flood Warning | DVN | Clinton | 9 hr |
| Jun 16, 3:48 PM CDT | Flash Flood Warning | DMX | Cerro Gordo | 4 hr |
| Jun 16, 4:12 PM CDT | Flash Flood Warning | ARX | Howard, Mitchell | 4 hr |
| Jun 16, 5:16 PM CDT | Flash Flood Warning | ARX | Fayette | 4 hr |
| Jun 16, 6:17 PM CDT | Flash Flood Warning | DVN | Delaware, Dubuque, Jones | 9 hr |
| Jul 5, 4:38 PM CDT | Flash Flood Warning | DVN | Buchanan | 3 hr |
| Jul 5, 4:39 PM CDT | Flash Flood Warning | ARX | Fayette | 4 hr |
| Jul 5, 5:10 PM CDT | Flash Flood Warning | FSD | Dickinson, Osceola | 110 min |
| Jul 5, 6:54 PM CDT | Flash Flood Warning | DMX | Cerro Gordo | 4 hr |
| Jul 5, 7:25 PM CDT | Flash Flood Warning | ARX | Floyd, Mitchell | 3 hr |
| Jul 5, 7:57 PM CDT | Flash Flood Warning | DVN | Buchanan | 6 hr |
| Jul 9, 5:19 AM CDT | Flash Flood Warning | DMX | Clarke | 4 hr |
| Jul 11, 5:28 PM CDT | Flash Flood Warning | DMX | Wayne | 6 hr |
| Jul 13, 12:37 AM CDT | Flash Flood Warning | DMX | Emmet | 3 hr |
| Jul 13, 1:17 AM CDT | Flash Flood Warning | FSD | O'Brien | 88 min |
| Jul 31, 10:56 PM CDT | Flash Flood Warning | FSD | O'Brien | 2 hr |
| Aug 1, 12:27 PM CDT | Flash Flood Warning | DVN | Keokuk | 3 hr |
| Aug 2, 10:14 AM CDT | Flash Flood Warning | DMX | Davis | 3 hr |
| Aug 3, 8:36 PM CDT | Flash Flood Warning | DMX | Dallas, Polk | 4 hr |
| Aug 3, 11:30 PM CDT | Flash Flood Warning | DMX | Decatur, Wayne | 4 hr |
| Aug 16, 8:45 PM CDT | Flash Flood Warning | DMX | Butler, Franklin, Grundy | 5 hr |
| Aug 16, 9:04 PM CDT | Flash Flood Warning | DMX | Hardin | 5 hr |
| Aug 23, 1:20 AM CDT | Flash Flood Warning | FSD | Cherokee | 115 min |
| Aug 26, 9:17 PM CDT | Flash Flood Warning | DMX | Ringgold, Taylor | 6 hr |
| Aug 27, 1:12 AM CDT | Flash Flood Warning | DMX | Appanoose, Davis, Wayne | 6 hr |
| Aug 27, 1:25 AM CDT | Flash Flood Warning | DVN | Lee, Van Buren | 9 hr |
| Aug 28, 12:42 AM CDT | Flash Flood Warning | DVN | Lee, Van Buren | 8 hr |
| Sep 14, 7:12 PM CDT | Flash Flood Warning | FSD | Buena Vista, Cherokee, Clay, Dickinson, O'Brien | 4 hr |
| Sep 14, 7:41 PM CDT | Flash Flood Warning | DMX | Kossuth | 4 hr |
| Sep 14, 8:35 PM CDT | Flash Flood Warning | DMX | Emmet, Palo Alto | 5 hr |
| Sep 14, 9:26 PM CDT | Flash Flood Warning | DMX | Winnebago | 6 hr |
| Sep 15, 3:20 AM CDT | Flash Flood Warning | FSD | Lyon | 3 hr |
| Sep 15, 4:06 AM CDT | Flash Flood Warning | FSD | Clay, Dickinson, O'Brien, Osceola | 114 min |
| Sep 15, 5:43 AM CDT | Flash Flood Warning | DMX | Emmet, Palo Alto | 6 hr |
| Sep 15, 7:01 AM CDT | Flash Flood Warning | FSD | Clay, Dickinson, O'Brien | 119 min |
| Sep 17, 1:12 PM CDT | Flash Flood Warning | FSD | Clay | 3 hr |
| Sep 17, 3:49 PM CDT | Flash Flood Warning | DMX | Palo Alto, Pocahontas | 6 hr |
| Sep 17, 4:14 PM CDT | Flash Flood Warning | FSD | Clay | 2 hr |
| Sep 18, 2:29 AM CDT | Flash Flood Warning | DMX | Taylor | 6 hr |
| Sep 18, 3:11 AM CDT | Flash Flood Warning | DMX | Adams | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Buchanan County9
- Palo Alto County7
- O'Brien County7
- Linn County6
- Delaware County6
- Fayette County6
- Clay County6
- Kossuth County5
- Allamakee County5
- Emmet County5
- Taylor County5
- Jones County5
- Floyd County5
- Mitchell County5
- Dubuque County5
- Winnebago County4
- Benton County4
- Chickasaw County4
- Clayton County4
- Howard County4
- Wayne County4
- Dickinson County4
- Greene County3
- Guthrie County3
- Audubon County3
- Madison County3
- Pocahontas County3
- Adams County3
- Cerro Gordo County3
- Winneshiek County3
- Cherokee County3
- Boone County3
- Dallas County3
- Polk County3
- Decatur County3
- Ringgold County3
- Davis County3
- Osceola County3
- Jefferson County3
- Lee County3
47 more counties
- Adair County2
- Warren County2
- Black Hawk County2
- Franklin County2
- Humboldt County2
- Butler County2
- Worth County2
- Plymouth County2
- Story County2
- Carroll County2
- Jasper County2
- Harrison County2
- Pottawattamie County2
- Shelby County2
- Clarke County2
- Appanoose County2
- Lyon County2
- Keokuk County2
- Ida County2
- Van Buren County2
- Hancock County1
- Wright County1
- Bremer County1
- Marshall County1
- Tama County1
- Mills County1
- Fremont County1
- Montgomery County1
- Page County1
- Marion County1
- Mahaska County1
- Lucas County1
- Union County1
- Poweshiek County1
- Monroe County1
- Wapello County1
- Sioux County1
- Scott County1
- Washington County1
- Hamilton County1
- Woodbury County1
- Sac County1
- Calhoun County1
- Clinton County1
- Grundy County1
- Hardin County1
- Buena Vista County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20032005
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.