Alert archive / Iowa / Blizzard Warnings
Blizzard Warnings in Iowa, 2009
13 blizzard warnings in 2009. 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 2009. Tap one for its archive.
- Blizzard Warnings
- 13
- Busiest month
- December7 blizzard warnings
- Busiest day
- December 8, 20094 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 12, 4:00 AM CST | Blizzard Warning | DMX | Audubon, Black Hawk, Boone, Bremer, Butler, Calhoun and 31 more | 17 hr |
| Jan 12, 4:18 AM CST | Blizzard Warning | FSD | Clay, Dickinson | 16 hr |
| Jan 12, 1:06 PM CST | Blizzard Warning | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 10 more | 11 hr |
| Apr 3, 10:40 AM CDT | Blizzard Warning | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 41 hr |
| Apr 4, 3:20 AM CDT | Blizzard Warning | OAX | Monona | 28 hr |
| Apr 4, 4:23 AM CDT | Blizzard Warning | DMX | Calhoun, Carroll, Cerro Gordo, Crawford, Emmet, Hancock and 9 more | 24 hr |
| Dec 7, 3:50 PM CST | Blizzard Warning | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 48 hr |
| Dec 8, 10:34 AM CST | Blizzard Warning | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 31 hr |
| Dec 8, 12:55 PM CST | Blizzard Warning | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 17 hr |
| Dec 8, 1:33 PM CST | Blizzard Warning | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 25 hr |
| Dec 8, 1:55 PM CST | Blizzard Warning | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 28 hr |
| Dec 24, 3:31 PM CST | Blizzard Warning | FSD | Lyon, Plymouth, Sioux, Woodbury | 44 hr |
| Dec 24, 4:00 PM CST | Blizzard Warning | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 44 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Calhoun County3
- Carroll County3
- Cerro Gordo County3
- Crawford County3
- Emmet County3
- Hancock County3
- Humboldt County3
- Kossuth County3
- Palo Alto County3
- Pocahontas County3
- Sac County3
- Webster County3
- Winnebago County3
- Worth County3
- Wright County3
- Clay County3
- Dickinson County3
- Lyon County3
- Plymouth County3
- Sioux County3
- Woodbury County3
- Monona County3
- Audubon County2
- Black Hawk County2
- Boone County2
- Bremer County2
- Butler County2
- Dallas County2
- Franklin County2
- Greene County2
- Grundy County2
- Guthrie County2
- Hamilton County2
- Hardin County2
- Jasper County2
- Madison County2
- Mahaska County2
- Marion County2
- Marshall County2
- Polk County2
59 more counties
- Poweshiek County2
- Story County2
- Tama County2
- Warren County2
- Benton County2
- Buchanan County2
- Cedar County2
- Clinton County2
- Delaware County2
- Dubuque County2
- Iowa County2
- Jackson County2
- Johnson County2
- Jones County2
- Keokuk County2
- Linn County2
- Louisa County2
- Muscatine County2
- Scott County2
- Washington County2
- Buena Vista County2
- Cherokee County2
- Ida County2
- O'Brien County2
- Osceola County2
- Fremont County2
- Harrison County2
- Mills County2
- Montgomery County2
- Page County2
- Pottawattamie County2
- Shelby County2
- Allamakee County1
- Chickasaw County1
- Clayton County1
- Fayette County1
- Floyd County1
- Howard County1
- Mitchell County1
- Winneshiek County1
- Adair County1
- Adams County1
- Appanoose County1
- Cass 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
- Lee County1
- Van Buren County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20082010
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.