Alert archive / Iowa / Winter Storm Warnings / 2021
Winter Storm Warnings in Iowa, February 2021
5 winter storm warnings in February 2021. 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 February 2021. Tap one for its archive.
- Winter Storm Warnings
- 5
- Busiest day
- February 21, 20213 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 |
|---|---|---|---|---|
| Feb 3, 2:56 PM CST | Winter Storm Warning | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 13 more | 36 hr |
| Feb 4, 3:53 AM CST | Winter Storm Warning | ARX | Chickasaw, Clayton, Fayette, Floyd, Howard, Mitchell | 20 hr |
| Feb 21, 8:42 AM CST | Winter Storm Warning | OAX | Harrison, Mills, Monona, Pottawattamie, Shelby | 7 hr |
| Feb 21, 9:16 AM CST | Winter Storm Warning | DMX | Adair, Audubon, Boone, Calhoun, Carroll, Cass and 5 more | 9 hr |
| Feb 21, 11:24 AM CST | Winter Storm Warning | FSD | Ida, Woodbury | 4 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Benton County1
- Buchanan County1
- Cedar County1
- Clinton County1
- Delaware County1
- Des Moines County1
- Dubuque County1
- Henry County1
- Iowa County1
- Jackson County1
- Jefferson County1
- Johnson County1
- Jones County1
- Keokuk County1
- Linn County1
- Louisa County1
- Muscatine County1
- Scott County1
- Washington County1
- Chickasaw County1
- Clayton County1
- Fayette County1
- Floyd County1
- Howard County1
- Mitchell County1
- Harrison County1
- Mills County1
- Monona County1
- Pottawattamie County1
- Shelby County1
- Adair County1
- Audubon County1
- Boone County1
- Calhoun County1
- Carroll County1
- Cass County1
- Crawford County1
- Dallas County1
- Greene County1
- Guthrie County1
3 more counties
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.