Alert archive / Iowa / Blizzard Warnings
Blizzard Warnings in Iowa, 2021
4 blizzard warnings in 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 blizzard warnings reaches back to 2005.
Blizzard Warnings by county
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Blizzard Warnings
- 4
- Busiest month
- January3 blizzard warnings
- Busiest day
- January 14, 20213 blizzard warnings
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 |
|---|---|---|---|---|
| Jan 14, 3:30 AM CST | Blizzard Warning | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 39 hr |
| Jan 14, 3:51 AM CST | Blizzard Warning | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 35 hr |
| Jan 14, 4:04 AM CST | Blizzard Warning | DMX | Adair, Adams, Audubon, Boone, Calhoun, Carroll and 29 more | 35 hr |
| Feb 3, 3:35 AM CST | Blizzard Warning | DMX | Black Hawk, Bremer, Butler, Calhoun, Cerro Gordo, Emmet and 19 more | 41 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Calhoun County2
- Cerro Gordo County2
- Emmet County2
- Franklin County2
- Hamilton County2
- Hancock County2
- Hardin County2
- Humboldt County2
- Kossuth County2
- Palo Alto County2
- Pocahontas County2
- Sac County2
- Story County2
- Webster County2
- Winnebago County2
- Worth County2
- Wright County2
- Buena Vista County1
- Cherokee County1
- Clay County1
- Dickinson County1
- Ida County1
- Lyon County1
- O'Brien County1
- Osceola County1
- Plymouth County1
- Sioux County1
- Woodbury County1
- Fremont County1
- Harrison County1
- Mills County1
- Monona County1
- Montgomery County1
- Page County1
- Pottawattamie County1
- Shelby County1
- Adair County1
- Adams County1
- Audubon County1
- Boone County1
22 more counties
- Carroll County1
- Cass County1
- Clarke County1
- Crawford County1
- Dallas County1
- Decatur County1
- Greene County1
- Guthrie County1
- Madison County1
- Polk County1
- Ringgold County1
- Taylor County1
- Union County1
- Warren County1
- Black Hawk County1
- Bremer County1
- Butler County1
- Grundy County1
- Jasper County1
- Marshall County1
- Poweshiek County1
- Tama County1
The busiest days
Days with the most alerts issued, by UTC date.
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.