Alert archive / Iowa / Blizzard Warnings
Blizzard Warnings in Iowa, 2020
6 blizzard warnings in 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 blizzard warnings reaches back to 2005.
Blizzard Warnings by county
Each county as a circle sized by its count in 2020. Tap one for its archive.
- Blizzard Warnings
- 6
- Busiest month
- January3 blizzard warnings
- Busiest day
- January 17, 20202 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 17, 3:41 AM CST | Blizzard Warning | DMX | Boone, Calhoun, Carroll, Cerro Gordo, Crawford, Emmet and 15 more | 38 hr |
| Jan 17, 3:57 AM CST | Blizzard Warning | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 38 hr |
| Jan 18, 9:05 AM CST | Blizzard Warning | ARX | Chickasaw, Floyd, Howard, Mitchell | 9 hr |
| Dec 22, 2:38 PM CST | Blizzard Warning | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 36 hr |
| Dec 22, 9:01 PM CST | Blizzard Warning | DMX | Calhoun, Carroll, Cerro Gordo, Crawford, Emmet, Hancock and 9 more | 30 hr |
| Dec 22, 10:51 PM CST | Blizzard Warning | OAX | Monona | 19 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Calhoun County2
- Carroll County2
- Cerro Gordo County2
- Crawford County2
- Emmet County2
- Hancock County2
- Humboldt County2
- Kossuth County2
- Palo Alto County2
- Pocahontas County2
- Sac County2
- Webster County2
- Winnebago County2
- Worth County2
- Wright County2
- Buena Vista County2
- Cherokee County2
- Clay County2
- Dickinson County2
- Ida County2
- Lyon County2
- O'Brien County2
- Osceola County2
- Plymouth County2
- Sioux County2
- Woodbury County2
- Boone County1
- Franklin County1
- Greene County1
- Hamilton County1
- Hardin County1
- Story County1
- Chickasaw County1
- Floyd County1
- Howard County1
- Mitchell County1
- Monona County1
The busiest days
Days with the most alerts issued, by UTC date.
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. Rebuilt daily.