Alert archive / Iowa / River Flood Warnings / 2020
River Flood Warnings in Iowa, March 2020
55 river flood warnings in March 2020. 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 March 2020. Tap one for its archive.
- River Flood Warnings
- 55
- Busiest day
- March 20, 20209 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 |
|---|---|---|---|---|
| Mar 4, 10:51 PM CST | River Flood Warning | FSD | Clay, Dickinson | 11 days |
| Mar 5, 9:43 AM CST | River Flood Warning | FSD | Clay | 49 hr |
| Mar 7, 3:51 AM CST | River Flood Warning | FSD | Plymouth | 31 hr |
| Mar 7, 3:51 AM CST | River Flood Warning | FSD | Dickinson | 32 hr |
| Mar 7, 6:01 PM CST | River Flood Warning | FSD | Clay | 21 days |
| Mar 8, 6:52 AM CDT | River Flood Warning | FSD | Clay | 7 days |
| Mar 8, 7:28 PM CDT | River Flood Warning | DMX | Emmet | 32 hr |
| Mar 9, 3:05 AM CDT | River Flood Warning | FSD | Lyon | 21 days |
| Mar 9, 9:33 AM CDT | River Flood Warning | FSD | Plymouth, Sioux | 54 hr |
| Mar 9, 9:33 AM CDT | River Flood Warning | FSD | Plymouth | 4 days |
| Mar 17, 10:58 AM CDT | River Flood Warning | DVN | Des Moines | 42 days |
| Mar 17, 10:58 AM CDT | River Flood Warning | DVN | Des Moines, Lee | 42 days |
| Mar 18, 9:45 AM CDT | River Flood Warning | FSD | Plymouth, Sioux | 5 days |
| Mar 18, 9:45 AM CDT | River Flood Warning | FSD | Plymouth | 21 days |
| Mar 18, 9:45 AM CDT | River Flood Warning | FSD | Clay, Dickinson | 21 days |
| Mar 18, 9:45 AM CDT | River Flood Warning | FSD | Clay | 21 days |
| Mar 18, 8:50 PM CDT | River Flood Warning | DVN | Des Moines, Louisa | 38 days |
| Mar 18, 8:50 PM CDT | River Flood Warning | DVN | Muscatine, Scott | 35 days |
| Mar 18, 8:50 PM CDT | River Flood Warning | DVN | Muscatine | 35 days |
| Mar 18, 8:50 PM CDT | River Flood Warning | DVN | Louisa, Muscatine | 36 days |
| Mar 18, 8:50 PM CDT | River Flood Warning | DVN | Louisa | 37 days |
| Mar 19, 9:45 AM CDT | River Flood Warning | DVN | Benton, Iowa | 21 days |
| Mar 19, 9:10 PM CDT | River Flood Warning | OAX | Fremont | 4 days |
| Mar 20, 7:03 AM CDT | River Flood Warning | DVN | Johnson, Washington | 24 hr |
| Mar 20, 7:03 AM CDT | River Flood Warning | DVN | Keokuk | 21 hr |
| Mar 20, 10:02 AM CDT | River Flood Warning | DVN | Clinton, Scott | 21 days |
| Mar 20, 10:45 AM CDT | River Flood Warning | DVN | Cedar, Louisa, Muscatine | 8 days |
| Mar 20, 10:49 AM CDT | River Flood Warning | ARX | Clayton | 52 hr |
| Mar 20, 10:51 AM CDT | River Flood Warning | DMX | Black Hawk | 71 hr |
| Mar 20, 11:15 AM CDT | River Flood Warning | DVN | Dubuque, Jackson | 21 days |
| Mar 20, 11:15 AM CDT | River Flood Warning | DVN | Clinton, Scott | 21 days |
| Mar 20, 8:32 PM CDT | River Flood Warning | FSD | Clay | 40 hr |
| Mar 21, 9:54 AM CDT | River Flood Warning | DVN | Keokuk | 51 hr |
| Mar 27, 11:15 AM CDT | River Flood Warning | FSD | Lyon | 21 days |
| Mar 27, 11:15 AM CDT | River Flood Warning | FSD | Plymouth, Sioux | 8 days |
| Mar 27, 11:15 AM CDT | River Flood Warning | FSD | Plymouth | 9 days |
| Mar 27, 11:15 AM CDT | River Flood Warning | FSD | Clay, Dickinson | 21 days |
| Mar 27, 11:15 AM CDT | River Flood Warning | FSD | Clay | 21 days |
| Mar 28, 8:43 AM CDT | River Flood Warning | FSD | Lyon | 4 days |
| Mar 28, 8:43 AM CDT | River Flood Warning | FSD | Clay | 4 days |
| Mar 28, 9:55 AM CDT | River Flood Warning | DMX | Davis, Wapello | 12 hr |
| Mar 28, 10:52 AM CDT | River Flood Warning | DVN | Dubuque, Jackson | 22 days |
| Mar 28, 10:52 AM CDT | River Flood Warning | DVN | Clinton, Scott | 24 days |
| Mar 28, 10:52 AM CDT | River Flood Warning | DVN | Lee | 21 days |
| Mar 28, 11:21 PM CDT | River Flood Warning | FSD | Lyon | 21 days |
| Mar 29, 10:02 AM CDT | River Flood Warning | ARX | Allamakee, Clayton | 20 days |
| Mar 29, 10:35 AM CDT | River Flood Warning | DVN | Louisa | 34 hr |
| Mar 29, 1:36 PM CDT | River Flood Warning | FSD | Clay | 21 days |
| Mar 29, 3:21 PM CDT | River Flood Warning | FSD | Lyon, Sioux | 23 hr |
| Mar 29, 3:21 PM CDT | River Flood Warning | FSD | Sioux | 21 days |
| Mar 30, 8:50 AM CDT | River Flood Warning | FSD | Plymouth | 21 days |
| Mar 30, 10:32 AM CDT | River Flood Warning | DVN | Dubuque | 18 days |
| Mar 30, 8:26 PM CDT | River Flood Warning | OAX | Fremont | 5 days |
| Mar 31, 9:57 AM CDT | River Flood Warning | DVN | Clinton | 21 days |
| Mar 31, 9:57 AM CDT | River Flood Warning | DVN | Scott | 21 days |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Clay County11
- Plymouth County8
- Lyon County5
- Sioux County5
- Louisa County5
- Scott County5
- Dickinson County4
- Muscatine County4
- Clinton County4
- Des Moines County3
- Dubuque County3
- Lee County2
- Fremont County2
- Keokuk County2
- Clayton County2
- Jackson County2
- Emmet County1
- Benton County1
- Iowa County1
- Johnson County1
- Washington County1
- Cedar County1
- Black Hawk County1
- Davis County1
- Wapello County1
- Allamakee County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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.