Alert archive / Iowa / Heavy Snow Warnings
Heavy Snow Warnings in Iowa, 2007
5 heavy snow warnings in 2007. 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 heavy snow warnings reaches back to 2005.
Heavy Snow Warnings by county
Each county as a circle sized by its count in 2007. Tap one for its archive.
- Heavy Snow Warnings
- 5
- Busiest month
- January2 heavy snow warnings
- Busiest day
- January 20, 20071 heavy snow 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 20, 3:47 PM CST | Heavy Snow Warning | DMX | Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 29 more | 22 hr |
| Jan 20, 9:24 PM CST | Heavy Snow Warning | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 13 hr |
| Apr 10, 3:31 PM CDT | Heavy Snow Warning | FSD | Clay, Dickinson, Lyon, O'Brien, Osceola, Sioux | 23 hr |
| Dec 7, 3:23 PM CST | Heavy Snow Warning | FSD | Plymouth, Woodbury | 22 hr |
| Dec 15, 9:37 AM CST | Heavy Snow Warning | DMX | Decatur, Lucas, Ringgold, Taylor, Wayne | 5 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Decatur County2
- Lucas County2
- Ringgold County2
- Taylor County2
- Wayne County2
- Adair County1
- Adams County1
- Audubon County1
- Black Hawk County1
- Boone County1
- Bremer County1
- Butler County1
- Calhoun County1
- Carroll County1
- Cass County1
- Cerro Gordo County1
- Clarke County1
- Crawford County1
- Dallas County1
- Franklin County1
- Greene County1
- Grundy County1
- Guthrie County1
- Hamilton County1
- Hardin County1
- Madison County1
- Marshall County1
- Polk County1
- Sac County1
- Story County1
- Tama County1
- Union County1
- Warren County1
- Webster County1
- Worth County1
- Fremont County1
- Harrison County1
- Mills County1
- Monona County1
- Montgomery County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20062008
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.