Alert archive / Iowa / Winter Storm Warnings
Winter Storm Warnings in Iowa, 2017
10 winter storm warnings in 2017. 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 2017. Tap one for its archive.
- Winter Storm Warnings
- 10
- Busiest month
- January4 winter storm warnings
- Busiest day
- January 23, 20174 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 23, 2:59 PM CST | Winter Storm Warning | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 51 hr |
| Jan 23, 3:11 PM CST | Winter Storm Warning | ARX | Allamakee, Chickasaw, Floyd, Howard, Mitchell, Winneshiek | 51 hr |
| Jan 23, 3:12 PM CST | Winter Storm Warning | DMX | Bremer, Butler, Calhoun, Carroll, Cerro Gordo, Crawford and 15 more | 51 hr |
| Jan 23, 3:30 PM CST | Winter Storm Warning | OAX | Monona | 49 hr |
| Feb 22, 3:23 PM CST | Winter Storm Warning | OAX | Harrison, Monona | 45 hr |
| Mar 11, 3:12 PM CST | Winter Storm Warning | FSD | Clay, Dickinson, Osceola | 39 hr |
| Mar 12, 4:03 AM CDT | Winter Storm Warning | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 30 hr |
| Mar 12, 4:08 AM CDT | Winter Storm Warning | DMX | Black Hawk, Bremer, Butler, Cerro Gordo, Emmet, Franklin and 8 more | 31 hr |
| Dec 29, 3:24 AM CST | Winter Storm Warning | DVN | Benton, Cedar, Clinton, Iowa, Johnson, Jones and 3 more | 17 hr |
| Dec 29, 8:14 PM CST | Winter Storm Warning | DVN | Cedar, Clinton, Jones, Muscatine, Scott | 106 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Clay County2
- Dickinson County2
- Osceola County2
- Allamakee County2
- Chickasaw County2
- Floyd County2
- Howard County2
- Mitchell County2
- Winneshiek County2
- Bremer County2
- Butler County2
- Cerro Gordo County2
- Emmet County2
- Franklin County2
- Hancock County2
- Humboldt County2
- Kossuth County2
- Palo Alto County2
- Winnebago County2
- Worth County2
- Wright County2
- Monona County2
- Cedar County2
- Clinton County2
- Jones County2
- Muscatine County2
- Scott County2
- Buena Vista County1
- Cherokee County1
- Ida County1
- Lyon County1
- O'Brien County1
- Plymouth County1
- Sioux County1
- Woodbury County1
- Calhoun County1
- Carroll County1
- Crawford County1
- Greene County1
- Hamilton County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
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.