Alert archive / Iowa / Flash Flood Warnings
Flash Flood Warnings in Iowa, 2019
103 flash flood warnings in 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 2019. Tap one for its archive.
- Flash Flood Warnings
- 103
- Busiest month
- May30 flash flood warnings
- Busiest day
- May 28, 20199 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 |
|---|---|---|---|---|
| Mar 13, 12:41 PM CDT | Flash Flood Warning | OAX | Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie and 1 more | 6 hr |
| Mar 16, 10:37 AM CDT | Flash Flood Warning | OAX | Fremont, Mills | 20 hr |
| Mar 17, 12:21 AM CDT | Flash Flood Warning | DMX | Kossuth | 6 hr |
| Mar 17, 6:30 AM CDT | Flash Flood Warning | OAX | Fremont, Mills | 3 hr |
| Mar 17, 3:39 PM CDT | Flash Flood Warning | OAX | Fremont | 12 hr |
| Mar 17, 8:23 PM CDT | Flash Flood Warning | DMX | Hardin | 6 hr |
| Mar 18, 8:13 PM CDT | Flash Flood Warning | DMX | Hardin | 6 hr |
| Apr 30, 11:18 AM CDT | Flash Flood Warning | DVN | Des Moines, Henry, Jefferson, Lee, Louisa, Van Buren | 5 hr |
| Apr 30, 3:54 PM CDT | Flash Flood Warning | DVN | Scott | 2 hr |
| May 16, 9:03 PM CDT | Flash Flood Warning | DVN | Iowa | 5 hr |
| May 16, 9:55 PM CDT | Flash Flood Warning | DVN | Cedar, Johnson, Muscatine, Washington | 4 hr |
| May 18, 7:44 PM CDT | Flash Flood Warning | ARX | Chickasaw | 6 hr |
| May 18, 8:27 PM CDT | Flash Flood Warning | DVN | Iowa, Johnson, Jones, Linn | 6 hr |
| May 18, 10:02 PM CDT | Flash Flood Warning | DVN | Keokuk | 104 min |
| May 22, 7:50 PM CDT | Flash Flood Warning | DVN | Lee | 3 hr |
| May 24, 4:17 AM CDT | Flash Flood Warning | DMX | Adair, Adams, Cass | 6 hr |
| May 24, 5:19 AM CDT | Flash Flood Warning | OAX | Fremont, Mills, Montgomery, Page | 5 hr |
| May 24, 9:14 AM CDT | Flash Flood Warning | DVN | Delaware | 6 hr |
| May 24, 9:54 AM CDT | Flash Flood Warning | OAX | Fremont, Mills, Montgomery, Page | 3 hr |
| May 24, 10:16 AM CDT | Flash Flood Warning | DMX | Adair | 3 hr |
| May 25, 8:55 PM CDT | Flash Flood Warning | DVN | Lee | 6 hr |
| May 27, 1:54 PM CDT | Flash Flood Warning | DVN | Scott | 4 hr |
| May 27, 2:05 PM CDT | Flash Flood Warning | DVN | Des Moines, Henry, Lee | 4 hr |
| May 28, 4:17 AM CDT | Flash Flood Warning | OAX | Pottawattamie | 3 hr |
| May 28, 8:47 AM CDT | Flash Flood Warning | DMX | Adams, Taylor | 2 hr |
| May 28, 12:07 PM CDT | Flash Flood Warning | DVN | Scott | 3 hr |
| May 28, 5:01 PM CDT | Flash Flood Warning | DMX | Appanoose, Davis, Lucas, Monroe, Wapello, Wayne | 6 hr |
| May 28, 5:10 PM CDT | Flash Flood Warning | DVN | Henry, Jefferson, Keokuk, Van Buren, Washington | 8 hr |
| May 28, 6:01 PM CDT | Flash Flood Warning | DMX | Decatur, Ringgold, Wayne | 5 hr |
| May 28, 6:02 PM CDT | Flash Flood Warning | DVN | Des Moines, Louisa | 8 hr |
| May 28, 6:09 PM CDT | Flash Flood Warning | DVN | Muscatine, Scott | 8 hr |
| May 28, 6:38 PM CDT | Flash Flood Warning | DVN | Cedar, Iowa, Johnson | 8 hr |
| May 28, 7:09 PM CDT | Flash Flood Warning | DMX | Ringgold, Taylor | 6 hr |
| May 28, 7:11 PM CDT | Flash Flood Warning | DVN | Des Moines, Lee | 8 hr |
| May 29, 8:18 PM CDT | Flash Flood Warning | DVN | Benton, Iowa, Johnson, Linn | 6 hr |
| May 29, 8:50 PM CDT | Flash Flood Warning | DVN | Des Moines, Lee | 6 hr |
| May 29, 9:48 PM CDT | Flash Flood Warning | DVN | Des Moines, Henry, Johnson, Lee, Louisa | 5 hr |
| May 29, 10:15 PM CDT | Flash Flood Warning | DVN | Cedar, Clinton, Jackson, Jones, Scott | 6 hr |
| May 29, 10:31 PM CDT | Flash Flood Warning | DVN | Muscatine, Scott | 4 hr |
| Jun 1, 2:07 PM CDT | Flash Flood Warning | DVN | Des Moines | 2 hr |
| Jun 5, 12:58 AM CDT | Flash Flood Warning | DVN | Delaware, Jones | 6 hr |
| Jun 6, 2:54 PM CDT | Flash Flood Warning | DVN | Lee | 3 hr |
| Jun 15, 3:48 PM CDT | Flash Flood Warning | DMX | Grundy, Hardin, Marshall | 6 hr |
| Jun 15, 9:05 PM CDT | Flash Flood Warning | DVN | Lee, Van Buren | 3 hr |
| Jun 21, 7:24 AM CDT | Flash Flood Warning | DMX | Boone, Calhoun, Greene, Sac, Webster | 6 hr |
| Jun 22, 9:46 PM CDT | Flash Flood Warning | DMX | Polk, Warren | 3 hr |
| Jun 25, 11:05 PM CDT | Flash Flood Warning | DMX | Adams, Cass | 6 hr |
| Jun 26, 12:08 AM CDT | Flash Flood Warning | DMX | Adams, Ringgold, Union | 6 hr |
| Jun 27, 8:18 AM CDT | Flash Flood Warning | FSD | Lyon | 117 min |
| Jun 27, 9:14 AM CDT | Flash Flood Warning | FSD | Lyon, Sioux | 3 hr |
| Jul 1, 7:16 PM CDT | Flash Flood Warning | FSD | Sioux | 3 hr |
| Jul 1, 7:33 PM CDT | Flash Flood Warning | FSD | O'Brien | 2 hr |
| Jul 1, 8:17 PM CDT | Flash Flood Warning | FSD | Cherokee, Plymouth, Sioux | 3 hr |
| Jul 1, 9:28 PM CDT | Flash Flood Warning | FSD | Cherokee, Ida, Plymouth, Woodbury | 3 hr |
| Jul 2, 8:31 PM CDT | Flash Flood Warning | DMX | Webster | 3 hr |
| Jul 2, 9:55 PM CDT | Flash Flood Warning | DVN | Cedar, Clinton, Scott | 3 hr |
| Jul 3, 7:12 AM CDT | Flash Flood Warning | OAX | Monona | 3 hr |
| Jul 3, 8:08 AM CDT | Flash Flood Warning | FSD | Plymouth, Woodbury | 3 hr |
| Jul 3, 2:00 PM CDT | Flash Flood Warning | DVN | Scott | 3 hr |
| Jul 3, 3:21 PM CDT | Flash Flood Warning | DMX | Boone, Greene | 6 hr |
| Jul 3, 4:01 PM CDT | Flash Flood Warning | DMX | Boone, Story | 6 hr |
| Jul 3, 7:06 PM CDT | Flash Flood Warning | DVN | Cedar, Muscatine, Scott | 75 min |
| Jul 3, 7:25 PM CDT | Flash Flood Warning | DMX | Union | 6 hr |
| Jul 4, 6:52 PM CDT | Flash Flood Warning | DMX | Humboldt, Kossuth, Palo Alto, Pocahontas | 4 hr |
| Jul 17, 7:19 AM CDT | Flash Flood Warning | FSD | Plymouth, Woodbury | 116 min |
| Jul 17, 8:02 AM CDT | Flash Flood Warning | FSD | Ida, Woodbury | 118 min |
| Jul 18, 9:00 AM CDT | Flash Flood Warning | DMX | Franklin, Hardin | 78 min |
| Aug 20, 5:06 AM CDT | Flash Flood Warning | DMX | Hamilton, Humboldt, Webster, Wright | 5 hr |
| Aug 20, 5:11 AM CDT | Flash Flood Warning | DVN | Benton | 6 hr |
| Aug 20, 6:26 AM CDT | Flash Flood Warning | DVN | Benton, Iowa, Johnson, Linn | 5 hr |
| 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 |
| Oct 1, 8:45 PM CDT | Flash Flood Warning | ARX | Clayton | 3 hr |
| Oct 1, 9:08 PM CDT | Flash Flood Warning | DVN | Delaware, Dubuque, Jones | 6 hr |
| Oct 1, 9:39 PM CDT | Flash Flood Warning | DVN | Dubuque, Jackson | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lee County11
- Scott County10
- Des Moines County8
- Dubuque County7
- Clayton County7
- Fremont County6
- Mills County6
- Cedar County6
- Johnson County6
- Woodbury County6
- Pottawattamie County5
- Iowa County5
- Muscatine County5
- Delaware County5
- Monona County5
- Hardin County4
- Henry County4
- Jones County4
- Adams County4
- Wayne County4
- Sioux County4
- Plymouth County4
- Harrison County3
- Montgomery County3
- Page County3
- Louisa County3
- Van Buren County3
- Linn County3
- Cass County3
- Appanoose County3
- Ringgold County3
- Benton County3
- Clinton County3
- Jackson County3
- Boone County3
- Webster County3
- Lyon County3
- Ida County3
- Kossuth County2
- Jefferson County2
31 more counties
- Washington County2
- Keokuk County2
- Adair County2
- Taylor County2
- Davis County2
- Monroe County2
- Wapello County2
- Decatur County2
- Greene County2
- Union County2
- Cherokee County2
- Humboldt County2
- Shelby County1
- Chickasaw County1
- Lucas County1
- Grundy County1
- Marshall County1
- Calhoun County1
- Sac County1
- Polk County1
- Warren County1
- O'Brien County1
- Story County1
- Palo Alto County1
- Pocahontas County1
- Franklin County1
- Hamilton County1
- Wright County1
- Allamakee County1
- Howard County1
- Mitchell County1
The busiest days
Days with the most alerts issued, by UTC date.
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. Rebuilt daily.