Alert archive / Iowa / Winter Storm Warnings / 2020
Winter Storm Warnings in Iowa, April 2020
6 winter storm warnings in April 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 winter storm warnings reaches back to 2005.
Winter Storm Warnings by county
Each county as a circle sized by its count in April 2020. Tap one for its archive.
- Winter Storm Warnings
- 6
- Busiest day
- April 11, 20203 winter storm 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 11, 3:08 AM CDT | Winter Storm Warning | FSD | Cherokee, Clay, Dickinson, Lyon, O'Brien, Osceola and 2 more | 43 hr |
| Apr 11, 2:44 PM CDT | Winter Storm Warning | ARX | Mitchell | 39 hr |
| Apr 11, 3:23 PM CDT | Winter Storm Warning | DMX | Emmet, Kossuth, Palo Alto, Winnebago, Worth | 31 hr |
| Apr 15, 3:55 PM CDT | Winter Storm Warning | OAX | Fremont, Mills, Montgomery, Page | 36 hr |
| Apr 15, 8:55 PM CDT | Winter Storm Warning | DMX | Adams, Appanoose, Clarke, Davis, Decatur, Lucas and 6 more | 34 hr |
| Apr 16, 2:12 AM CDT | Winter Storm Warning | DVN | Des Moines, Henry, Jefferson, Keokuk, Lee, Louisa and 3 more | 29 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cherokee County1
- Clay County1
- Dickinson County1
- Lyon County1
- O'Brien County1
- Osceola County1
- Plymouth County1
- Sioux County1
- Mitchell County1
- Emmet County1
- Kossuth County1
- Palo Alto County1
- Winnebago County1
- Worth County1
- Fremont County1
- Mills County1
- Montgomery County1
- Page County1
- Adams County1
- Appanoose County1
- Clarke County1
- Davis County1
- Decatur County1
- Lucas County1
- Monroe County1
- Ringgold County1
- Taylor County1
- Union County1
- Wapello County1
- Wayne County1
- Des Moines County1
- Henry County1
- Jefferson County1
- Keokuk County1
- Lee County1
- Louisa County1
- Muscatine County1
- Van Buren County1
- Washington 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.