Alert archive / Iowa / Blizzard Warnings / 2020
Blizzard Warnings in Iowa, December 2020
3 blizzard warnings in December 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 December 2020. Tap one for its archive.
- Blizzard Warnings
- 3
- Busiest day
- December 23, 20202 blizzard 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 |
|---|---|---|---|---|
| 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.
- Buena Vista County1
- Cherokee County1
- Clay County1
- Dickinson County1
- Ida County1
- Lyon County1
- O'Brien County1
- Osceola County1
- Plymouth County1
- Sioux County1
- Woodbury County1
- Calhoun County1
- Carroll County1
- Cerro Gordo County1
- Crawford County1
- Emmet County1
- Hancock County1
- Humboldt County1
- Kossuth County1
- Palo Alto County1
- Pocahontas County1
- Sac County1
- Webster County1
- Winnebago County1
- Worth County1
- Wright County1
- Monona 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.