Alert archive / Iowa / Winter Storm Warnings
Winter Storm Warnings in Iowa, 2012
14 winter storm warnings in 2012. 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 2012. Tap one for its archive.
- Winter Storm Warnings
- 14
- Busiest month
- December7 winter storm warnings
- Busiest day
- December 18, 20124 winter storm 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, 11:30 AM CST | Winter Storm Warning | DVN | Cedar, Clinton, Delaware, Dubuque, Jackson, Jones and 2 more | 9 hr |
| Jan 19, 3:41 AM CST | Winter Storm Warning | DMX | Black Hawk, Bremer, Butler, Cerro Gordo, Emmet, Franklin and 13 more | 36 hr |
| Jan 20, 4:12 AM CST | Winter Storm Warning | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 4 more | 17 hr |
| Feb 3, 3:21 PM CST | Winter Storm Warning | OAX | Harrison, Mills, Monona, Montgomery, Pottawattamie, Shelby | 32 hr |
| Feb 3, 3:36 PM CST | Winter Storm Warning | DMX | Adair, Adams, Audubon, Boone, Carroll, Cass and 8 more | 31 hr |
| Feb 22, 4:02 PM CST | Winter Storm Warning | FSD | Buena Vista, Cherokee, Clay, Dickinson, Lyon, O'Brien and 3 more | 29 hr |
| Feb 22, 10:13 PM CST | Winter Storm Warning | DMX | Black Hawk, Boone, Butler, Calhoun, Carroll, Crawford and 20 more | 26 hr |
| Dec 18, 3:24 PM CST | Winter Storm Warning | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 45 hr |
| Dec 18, 3:34 PM CST | Winter Storm Warning | ARX | Allamakee, Clayton, Fayette | 12 hr |
| Dec 18, 3:35 PM CST | Winter Storm Warning | DVN | Benton, Buchanan, Cedar, Delaware, Dubuque, Iowa and 6 more | 13 hr |
| Dec 18, 3:57 PM CST | Winter Storm Warning | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 37 hr |
| Dec 19, 4:03 AM CST | Winter Storm Warning | ARX | Chickasaw, Floyd, Howard, Mitchell, Winneshiek | 44 hr |
| Dec 19, 4:09 AM CST | Winter Storm Warning | DVN | Clinton, Des Moines, Henry, Jefferson, Lee, Louisa and 3 more | 44 hr |
| Dec 19, 4:19 AM CST | Winter Storm Warning | FSD | Buena Vista, Cherokee, Ida, Woodbury | 12 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cedar County3
- Clinton County3
- Delaware County3
- Dubuque County3
- Jackson County3
- Jones County3
- Linn County3
- Scott County3
- Black Hawk County3
- Butler County3
- Franklin County3
- Grundy County3
- Hamilton County3
- Hancock County3
- Hardin County3
- Humboldt County3
- Kossuth County3
- Palo Alto County3
- Pocahontas County3
- Tama County3
- Webster County3
- Wright County3
- Boone County3
- Carroll County3
- Crawford County3
- Dallas County3
- Greene County3
- Polk County3
- Story County3
- Bremer County2
- Cerro Gordo County2
- Emmet County2
- Winnebago County2
- Worth County2
- Benton County2
- Buchanan County2
- Harrison County2
- Mills County2
- Monona County2
- Montgomery County2
59 more counties
- Pottawattamie County2
- Shelby County2
- Adair County2
- Adams County2
- Audubon County2
- Cass County2
- Guthrie County2
- Madison County2
- Union County2
- Buena Vista County2
- Cherokee County2
- Calhoun County2
- Jasper County2
- Marshall County2
- Poweshiek County2
- Sac County2
- Clay County1
- Dickinson County1
- Lyon County1
- O'Brien County1
- Osceola County1
- Plymouth County1
- Sioux County1
- Appanoose County1
- Clarke County1
- Davis County1
- Decatur County1
- Lucas County1
- Mahaska County1
- Marion County1
- Monroe County1
- Ringgold County1
- Taylor County1
- Wapello County1
- Warren County1
- Wayne County1
- Allamakee County1
- Clayton County1
- Fayette County1
- Iowa County1
- Johnson County1
- Keokuk County1
- Washington County1
- Fremont County1
- Page County1
- Chickasaw County1
- Floyd County1
- Howard County1
- Mitchell County1
- Winneshiek County1
- Des Moines County1
- Henry County1
- Jefferson County1
- Lee County1
- Louisa County1
- Muscatine County1
- Van Buren County1
- Ida County1
- Woodbury County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20112013
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.