Alert archive / Iowa / Tornado Watches
Tornado Watches in Iowa, 2017
10 tornado watches 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 tornado watches reaches back to 1997.
Tornado Watches by county
Each county as a circle sized by its count in 2017. Tap one for its archive.
- Tornado Watches
- 10
- Busiest month
- May3 tornado watches
- Busiest day
- May 17, 20173 tornado watches
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 |
|---|---|---|---|---|
| Feb 28, 2:57 PM CST | Tornado Watch | SPC | Cedar, Clinton, Des Moines, Henry, Iowa, Jackson and 11 more | 7 hr |
| Mar 6, 1:54 PM CST | Tornado Watch | SPC | Adair, Adams, Allamakee, Appanoose, Audubon, Benton and 75 more | 8 hr |
| Mar 6, 8:52 PM CST | Tornado Watch | SPC | Cedar, Clinton, Des Moines, Dubuque, Henry, Jackson and 5 more | 6 hr |
| Apr 19, 3:23 PM CDT | Tornado Watch | SPC | Adair, Adams, Audubon, Carroll, Cass, Crawford and 11 more | 7 hr |
| May 17, 12:08 PM CDT | Tornado Watch | SPC | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 64 more | 7 hr |
| May 17, 3:13 PM CDT | Tornado Watch | SPC | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 9 hr |
| May 17, 3:44 PM CDT | Tornado Watch | SPC | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 9 hr |
| Jun 13, 7:01 PM CDT | Tornado Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 6 hr |
| Jun 28, 2:53 PM CDT | Tornado Watch | SPC | Adair, Adams, Appanoose, Audubon, Benton, Black Hawk and 66 more | 9 hr |
| Oct 14, 5:09 PM CDT | Tornado Watch | SPC | Des Moines, Henry, Lee, Louisa, Muscatine, Scott and 1 more | 8 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Des Moines County5
- Henry County5
- Lee County5
- Louisa County5
- Muscatine County5
- Scott County5
- Van Buren County5
- Cedar County4
- Clinton County4
- Iowa County4
- Jackson County4
- Jefferson County4
- Johnson County4
- Jones County4
- Keokuk County4
- Linn County4
- Washington County4
- Adair County4
- Adams County4
- Audubon County4
- Carroll County4
- Cass County4
- Fremont County4
- Greene County4
- Guthrie County4
- Mills County4
- Montgomery County4
- Page County4
- Pottawattamie County4
- Shelby County4
- Taylor County4
- Appanoose County3
- Benton County3
- Black Hawk County3
- Boone County3
- Bremer County3
- Buchanan County3
- Buena Vista County3
- Butler County3
- Calhoun County3
59 more counties
- Chickasaw County3
- Clarke County3
- Clay County3
- Clayton County3
- Crawford County3
- Dallas County3
- Davis County3
- Decatur County3
- Delaware County3
- Dickinson County3
- Fayette County3
- Floyd County3
- Franklin County3
- Grundy County3
- Hamilton County3
- Hardin County3
- Harrison County3
- Humboldt County3
- Ida County3
- Jasper County3
- Lucas County3
- Madison County3
- Mahaska County3
- Marion County3
- Marshall County3
- Monona County3
- Monroe County3
- Polk County3
- Poweshiek County3
- Ringgold County3
- Story County3
- Tama County3
- Union County3
- Wapello County3
- Warren County3
- Wayne County3
- Webster County3
- Wright County3
- Dubuque County3
- Allamakee County2
- Cerro Gordo County2
- Emmet County2
- Hancock County2
- Howard County2
- Kossuth County2
- Mitchell County2
- Palo Alto County2
- Pocahontas County2
- Sac County2
- Winnebago County2
- Winneshiek County2
- Worth County2
- Cherokee County2
- Lyon County2
- O'Brien County2
- Osceola County2
- Plymouth County2
- Sioux County2
- Woodbury County2
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.