Alert archive / Iowa / River Flood Warnings / 2018
River Flood Warnings in Iowa, April 2018
31 river flood warnings in April 2018. 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 river flood warnings reaches back to 2005.
River Flood Warnings by county
Each county as a circle sized by its count in April 2018. Tap one for its archive.
- River Flood Warnings
- 31
- Busiest day
- April 13, 20187 river 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 |
|---|---|---|---|---|
| Apr 3, 4:48 PM CDT | River Flood Warning | DMX | Emmet | 6 days |
| Apr 12, 9:58 AM CDT | River Flood Warning | DMX | Emmet | 38 days |
| Apr 13, 9:41 AM CDT | River Flood Warning | FSD | Plymouth, Sioux | 59 hr |
| Apr 13, 9:41 AM CDT | River Flood Warning | FSD | Plymouth | 3 days |
| Apr 13, 9:41 AM CDT | River Flood Warning | FSD | Lyon | 3 days |
| Apr 13, 9:41 AM CDT | River Flood Warning | FSD | Clay | 4 days |
| Apr 13, 9:41 AM CDT | River Flood Warning | FSD | Clay, Dickinson | 63 hr |
| Apr 13, 9:41 AM CDT | River Flood Warning | FSD | Clay | 25 days |
| Apr 13, 9:41 AM CDT | River Flood Warning | FSD | Buena Vista, Clay | 43 days |
| Apr 14, 6:52 AM CDT | River Flood Warning | DMX | Cerro Gordo, Floyd, Worth | 11 hr |
| Apr 14, 7:30 AM CDT | River Flood Warning | FSD | Clay, Dickinson | 5 days |
| Apr 14, 10:42 AM CDT | River Flood Warning | DMX | Black Hawk | 12 days |
| Apr 15, 4:36 AM CDT | River Flood Warning | ARX | Floyd | 24 hr |
| Apr 17, 9:50 AM CDT | River Flood Warning | FSD | Plymouth, Sioux | 18 days |
| Apr 17, 9:50 AM CDT | River Flood Warning | FSD | Plymouth | 19 days |
| Apr 18, 10:02 AM CDT | River Flood Warning | FSD | Lyon | 7 days |
| Apr 18, 10:02 AM CDT | River Flood Warning | FSD | Clay | 7 days |
| Apr 18, 10:02 AM CDT | River Flood Warning | FSD | Cherokee | 3 days |
| Apr 20, 10:54 AM CDT | River Flood Warning | DMX | Humboldt | 19 days |
| Apr 21, 12:40 AM CDT | River Flood Warning | FSD | Clay, Dickinson | 17 days |
| Apr 23, 10:41 AM CDT | River Flood Warning | FSD | Lyon, Sioux | 9 days |
| Apr 23, 8:30 PM CDT | River Flood Warning | DMX | Palo Alto, Pocahontas | 11 days |
| Apr 24, 9:02 AM CDT | River Flood Warning | FSD | Lyon | 6 days |
| Apr 24, 9:02 AM CDT | River Flood Warning | FSD | Cherokee | 6 days |
| Apr 25, 8:18 AM CDT | River Flood Warning | FSD | Dickinson | 32 hr |
| Apr 25, 1:50 PM CDT | River Flood Warning | FSD | Lyon | 11 days |
| Apr 27, 11:32 AM CDT | River Flood Warning | ARX | Allamakee, Clayton | 17 days |
| Apr 28, 10:59 AM CDT | River Flood Warning | DVN | Dubuque, Jackson | 18 days |
| Apr 29, 10:26 AM CDT | River Flood Warning | ARX | Clayton | 14 days |
| Apr 29, 1:49 PM CDT | River Flood Warning | DVN | Clinton, Scott | 19 days |
| Apr 29, 1:49 PM CDT | River Flood Warning | DVN | Muscatine, Scott | 20 days |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Clay County7
- Lyon County5
- Plymouth County4
- Dickinson County4
- Sioux County3
- Emmet County2
- Floyd County2
- Cherokee County2
- Clayton County2
- Scott County2
- Buena Vista County1
- Cerro Gordo County1
- Worth County1
- Black Hawk County1
- Humboldt County1
- Palo Alto County1
- Pocahontas County1
- Allamakee County1
- Dubuque County1
- Jackson County1
- Clinton County1
- Muscatine County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.