Alert archive / Iowa / Tornado Watches
Tornado Watches in Iowa, 2019
11 tornado watches in 2019. 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 2019. Tap one for its archive.
- Tornado Watches
- 11
- Busiest month
- September5 tornado watches
- Busiest day
- May 22, 20191 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 |
|---|---|---|---|---|
| May 22, 4:00 PM CDT | Tornado Watch | SPC | Des Moines, Henry, Lee, Louisa, Van Buren | 7 hr |
| May 24, 6:23 PM CDT | Tornado Watch | SPC | Cedar, Clinton, Des Moines, Dubuque, Henry, Iowa and 12 more | 4 hr |
| May 24, 7:49 PM CDT | Tornado Watch | SPC | Allamakee, Clayton, Fayette, Winneshiek | 3 hr |
| May 27, 1:22 PM CDT | Tornado Watch | SPC | Clinton, Des Moines, Henry, Lee, Louisa, Muscatine and 1 more | 9 hr |
| Jul 18, 5:30 PM CDT | Tornado Watch | SPC | Cerro Gordo, Dickinson, Emmet, Hancock, Kossuth, Lyon and 4 more | 4 hr |
| Sep 9, 3:32 PM CDT | Tornado Watch | SPC | Adair, Allamakee, Audubon, Benton, Black Hawk, Boone and 47 more | 6 hr |
| Sep 12, 2:19 PM CDT | Tornado Watch | SPC | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 6 hr |
| Sep 24, 4:43 PM CDT | Tornado Watch | SPC | Adair, Adams, Audubon, Boone, Buena Vista, Butler and 55 more | 7 hr |
| Sep 24, 7:17 PM CDT | Tornado Watch | SPC | Allamakee, Winneshiek | 4 hr |
| Sep 27, 4:00 PM CDT | Tornado Watch | SPC | Cedar, Clinton, Des Moines, Henry, Jefferson, Johnson and 6 more | 7 hr |
| Oct 1, 2:45 PM CDT | Tornado Watch | SPC | Adair, Adams, Black Hawk, Boone, Bremer, Cass and 25 more | 7 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Des Moines County4
- Henry County4
- Lee County4
- Louisa County4
- Allamakee County4
- Winneshiek County4
- Van Buren County3
- Clinton County3
- Johnson County3
- Muscatine County3
- Scott County3
- Clayton County3
- Fayette County3
- Cerro Gordo County3
- Emmet County3
- Hancock County3
- Kossuth County3
- Palo Alto County3
- Winnebago County3
- Worth County3
- Adair County3
- Boone County3
- Cass County3
- Chickasaw County3
- Dallas County3
- Floyd County3
- Grundy County3
- Guthrie County3
- Howard County3
- Jasper County3
- Madison County3
- Marshall County3
- Mitchell County3
- Polk County3
- Story County3
- Warren County3
- Cedar County2
- Dubuque County2
- Iowa County2
- Jefferson County2
55 more counties
- Jones County2
- Linn County2
- Washington County2
- Dickinson County2
- Lyon County2
- Osceola County2
- Audubon County2
- Black Hawk County2
- Bremer County2
- Butler County2
- Calhoun County2
- Carroll County2
- Crawford County2
- Franklin County2
- Greene County2
- Hamilton County2
- Hardin County2
- Humboldt County2
- Pocahontas County2
- Poweshiek County2
- Sac County2
- Tama County2
- Webster County2
- Wright County2
- Adams County2
- Clarke County2
- Fremont County2
- Mills County2
- Montgomery County2
- Page County2
- Pottawattamie County2
- Ringgold County2
- Taylor County2
- Union County2
- Jackson County1
- Keokuk County1
- Benton County1
- Buchanan County1
- Delaware County1
- Buena Vista County1
- Cherokee County1
- Clay County1
- Harrison County1
- Ida County1
- Monona County1
- O'Brien County1
- Plymouth County1
- Shelby County1
- Sioux County1
- Woodbury County1
- Decatur County1
- Lucas County1
- Mahaska County1
- Marion County1
- Monroe County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20182020
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.