Alert archive / Iowa / Flash Flood Watches
Flash Flood Watches in Iowa, 2019
59 flash flood watches 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 watches reaches back to 2005.
Flash Flood Watches by county
Each county as a circle sized by its count in 2019. Tap one for its archive.
- Flash Flood Watches
- 59
- Busiest month
- September24 flash flood watches
- Busiest day
- September 30, 20195 flash flood watches
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 |
|---|---|---|---|---|
| Feb 23, 6:23 AM CST | Flash Flood Watch | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 15 hr |
| Mar 17, 11:20 AM CDT | Flash Flood Watch | DMX | Humboldt | 11 hr |
| Mar 21, 2:24 PM CDT | Flash Flood Watch | DMX | Emmet | 22 hr |
| Apr 29, 3:34 PM CDT | Flash Flood Watch | DVN | Cedar, Clinton, Des Moines, Henry, Jefferson, Johnson and 7 more | 41 hr |
| May 1, 2:11 PM CDT | Flash Flood Watch | DVN | Des Moines, Henry, Lee, Louisa, Muscatine, Scott and 1 more | 19 hr |
| May 18, 2:40 AM CDT | Flash Flood Watch | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 24 hr |
| May 18, 3:59 AM CDT | Flash Flood Watch | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 24 more | 21 hr |
| May 18, 4:36 AM CDT | Flash Flood Watch | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie, Shelby | 20 hr |
| May 19, 4:20 AM CDT | Flash Flood Watch | OAX | Fremont, Mills, Page | 63 hr |
| May 21, 3:37 AM CDT | Flash Flood Watch | DVN | Cedar, Des Moines, Henry, Iowa, Jefferson, Johnson and 7 more | 19 hr |
| May 23, 4:17 PM CDT | Flash Flood Watch | OAX | Fremont, Montgomery, Page | 29 hr |
| May 24, 3:46 AM CDT | Flash Flood Watch | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 23 hr |
| May 24, 3:51 AM CDT | Flash Flood Watch | DMX | Adair, Adams, Appanoose, Clarke, Davis, Decatur and 16 more | 23 hr |
| May 25, 3:28 AM CDT | Flash Flood Watch | OAX | Fremont, Montgomery, Page | 24 hr |
| May 25, 3:49 AM CDT | Flash Flood Watch | DVN | Des Moines, Henry, Jefferson, Keokuk, Lee, Louisa and 4 more | 27 hr |
| May 25, 4:34 AM CDT | Flash Flood Watch | DMX | Adams, Appanoose, Clarke, Davis, Decatur, Lucas and 8 more | 26 hr |
| May 26, 1:17 PM CDT | Flash Flood Watch | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 25 hr |
| May 26, 2:53 PM CDT | Flash Flood Watch | DMX | Adair, Adams, Appanoose, Audubon, Carroll, Cass and 13 more | 23 hr |
| May 28, 3:18 AM CDT | Flash Flood Watch | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie | 24 hr |
| May 28, 3:45 AM CDT | Flash Flood Watch | DMX | Adair, Adams, Appanoose, Audubon, Boone, Cass and 22 more | 24 hr |
| May 28, 3:45 AM CDT | Flash Flood Watch | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 25 hr |
| May 29, 3:08 PM CDT | Flash Flood Watch | DVN | Cedar, Clinton, Des Moines, Henry, Jackson, Jones and 4 more | 12 hr |
| Jun 19, 9:11 AM CDT | Flash Flood Watch | DVN | Lee | 11 hr |
| Jun 21, 3:37 PM CDT | Flash Flood Watch | DMX | Appanoose, Davis, Decatur, Ringgold, Taylor, Wayne | 15 hr |
| Jun 21, 3:58 PM CDT | Flash Flood Watch | DVN | Lee, Van Buren | 15 hr |
| Jun 22, 3:13 PM CDT | Flash Flood Watch | DVN | Des Moines, Henry, Jefferson, Lee, Van Buren | 13 hr |
| Jun 22, 3:33 PM CDT | Flash Flood Watch | DMX | Adams, Appanoose, Clarke, Davis, Decatur, Lucas and 6 more | 12 hr |
| Jul 1, 12:59 AM CDT | Flash Flood Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 8 hr |
| Jul 1, 4:16 PM CDT | Flash Flood Watch | FSD | Clay, Dickinson, Lyon, O'Brien, Osceola, Plymouth and 1 more | 9 hr |
| Jul 3, 2:11 PM CDT | Flash Flood Watch | DMX | Audubon, Boone, Calhoun, Carroll, Crawford, Dallas and 11 more | 7 hr |
| Jul 17, 3:23 AM CDT | Flash Flood Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 28 hr |
| Jul 17, 3:23 AM CDT | Flash Flood Watch | DMX | Black Hawk, Bremer, Butler, Cerro Gordo, Winnebago, Worth | 27 hr |
| Jul 17, 4:00 AM CDT | Flash Flood Watch | DVN | Benton, Buchanan, Clinton, Delaware, Dubuque, Jackson and 2 more | 30 hr |
| Jul 31, 3:15 PM CDT | Flash Flood Watch | OAX | Fremont | 20 hr |
| Aug 11, 2:47 PM CDT | Flash Flood Watch | OAX | Harrison, Mills, Montgomery, Pottawattamie, Shelby | 14 hr |
| Sep 10, 3:22 PM CDT | Flash Flood Watch | FSD | Lyon | 16 hr |
| Sep 11, 4:07 AM CDT | Flash Flood Watch | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 26 hr |
| Sep 12, 1:46 AM CDT | Flash Flood Watch | DVN | Buchanan, Delaware, Dubuque | 23 hr |
| Sep 12, 2:12 AM CDT | Flash Flood Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 22 hr |
| Sep 12, 3:53 AM CDT | Flash Flood Watch | DMX | Black Hawk, Bremer, Butler, Cerro Gordo, Franklin, Grundy and 3 more | 15 hr |
| Sep 14, 3:01 AM CDT | Flash Flood Watch | DVN | Buchanan, Clinton, Delaware, Dubuque, Jackson, Jones and 1 more | 30 hr |
| Sep 14, 3:14 AM CDT | Flash Flood Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 26 hr |
| Sep 18, 7:38 PM CDT | Flash Flood Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 16 hr |
| Sep 18, 7:40 PM CDT | Flash Flood Watch | DMX | Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 28 more | 14 hr |
| Sep 18, 10:27 PM CDT | Flash Flood Watch | FSD | Buena Vista, Cherokee, Clay, Ida, O'Brien, Plymouth and 1 more | 7 hr |
| Sep 19, 8:17 AM CDT | Flash Flood Watch | DVN | Buchanan, Delaware, Dubuque, Jackson | 7 hr |
| Sep 20, 4:07 AM CDT | Flash Flood Watch | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 63 hr |
| Sep 20, 3:27 PM CDT | Flash Flood Watch | DMX | Appanoose, Clarke, Davis, Decatur, Lucas, Mahaska and 6 more | 46 hr |
| Sep 20, 4:01 PM CDT | Flash Flood Watch | OAX | Fremont, Page | 42 hr |
| Sep 21, 5:24 AM CDT | Flash Flood Watch | ARX | Clayton, Fayette | 38 hr |
| Sep 27, 11:27 AM CDT | Flash Flood Watch | DVN | Des Moines, Henry, Jefferson, Lee, Louisa, Muscatine and 2 more | 16 hr |
| Sep 28, 2:43 PM CDT | Flash Flood Watch | DVN | Des Moines, Henry, Lee, Louisa, Muscatine, Scott and 1 more | 13 hr |
| Sep 29, 4:53 AM CDT | Flash Flood Watch | DMX | Appanoose, Clarke, Davis, Decatur, Lucas, Monroe and 5 more | 11 hr |
| Sep 29, 5:00 AM CDT | Flash Flood Watch | DVN | Des Moines, Henry, Jefferson, Lee, Van Buren | 12 hr |
| Sep 30, 3:19 AM CDT | Flash Flood Watch | FSD | Buena Vista, Cherokee, Clay, Ida, Woodbury | 39 hr |
| Sep 30, 3:58 AM CDT | Flash Flood Watch | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 41 hr |
| Sep 30, 4:03 AM CDT | Flash Flood Watch | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 44 more | 47 hr |
| Sep 30, 2:39 PM CDT | Flash Flood Watch | DVN | Benton, Buchanan, Delaware, Dubuque, Iowa, Jackson and 4 more | 39 hr |
| Sep 30, 2:49 PM CDT | Flash Flood Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 38 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lee County16
- Des Moines County14
- Henry County14
- Van Buren County14
- Scott County13
- Louisa County12
- Muscatine County12
- Jefferson County11
- Buchanan County10
- Delaware County10
- Dubuque County10
- Jackson County10
- Appanoose County10
- Decatur County10
- Ringgold County10
- Taylor County10
- Wayne County10
- Clinton County9
- Jones County9
- Keokuk County9
- Clarke County9
- Davis County9
- Lucas County9
- Monroe County9
- Wapello County9
- Fremont County9
- Cedar County8
- Johnson County8
- Washington County8
- Adams County8
- Union County8
- Page County8
- Benton County7
- Iowa County7
- Linn County7
- Montgomery County7
- Clayton County7
- Fayette County7
- Adair County6
- Audubon County6
59 more counties
- Guthrie County6
- Madison County6
- Mahaska County6
- Marion County6
- Marshall County6
- Polk County6
- Mills County6
- Allamakee County6
- Chickasaw County6
- Floyd County6
- Howard County6
- Mitchell County6
- Winneshiek County6
- Black Hawk County5
- Boone County5
- Cass County5
- Dallas County5
- Jasper County5
- Poweshiek County5
- Story County5
- Tama County5
- Warren County5
- Pottawattamie County5
- Grundy County4
- Shelby County4
- Carroll County4
- Crawford County4
- Clay County4
- Bremer County4
- Butler County4
- Cerro Gordo County4
- Winnebago County4
- Worth County4
- Humboldt County3
- Harrison County3
- Lyon County3
- O'Brien County3
- Plymouth County3
- Calhoun County3
- Greene County3
- Hamilton County3
- Sac County3
- Webster County3
- Buena Vista County3
- Cherokee County3
- Ida County3
- Woodbury County3
- Franklin County3
- Hancock County3
- Emmet County2
- Monona County2
- Dickinson County2
- Osceola County2
- Sioux County2
- Hardin County2
- Kossuth County2
- Palo Alto County2
- Pocahontas County2
- Wright County2
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. Warning verification from the Mesonet's Cow. Rebuilt daily.