Alert archive / Iowa / Tornado Watches
Tornado Watches in Iowa, 2020
7 tornado watches in 2020. 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 2020. Tap one for its archive.
- Tornado Watches
- 7
- Busiest month
- March2 tornado watches
- Busiest day
- March 19, 20201 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 |
|---|---|---|---|---|
| Mar 19, 3:29 PM CDT | Tornado Watch | SPC | Adair, Adams, Appanoose, Cass, Clarke, Davis and 23 more | 8 hr |
| Mar 28, 2:45 PM CDT | Tornado Watch | SPC | Appanoose, Benton, Black Hawk, Boone, Buchanan, Cedar and 38 more | 6 hr |
| May 23, 12:33 PM CDT | Tornado Watch | SPC | Allamakee, Buchanan, Cedar, Clayton, Clinton, Delaware and 10 more | 8 hr |
| May 26, 1:20 PM CDT | Tornado Watch | SPC | Adair, Adams, Appanoose, Audubon, Benton, Black Hawk and 52 more | 7 hr |
| Jun 9, 2:36 PM CDT | Tornado Watch | SPC | Fremont, Mills | 7 hr |
| Jun 28, 5:14 PM CDT | Tornado Watch | SPC | Howard, Mitchell | 5 hr |
| Nov 10, 2:05 PM CST | Tornado Watch | SPC | Clinton, Jackson, Scott | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Appanoose County3
- Davis County3
- Iowa County3
- Jasper County3
- Jefferson County3
- Keokuk County3
- Lucas County3
- Mahaska County3
- Marion County3
- Monroe County3
- Poweshiek County3
- Van Buren County3
- Wapello County3
- Warren County3
- Wayne County3
- Clinton County3
- Jackson County3
- Scott County3
- Adair County2
- Adams County2
- Cass County2
- Clarke County2
- Decatur County2
- Fremont County2
- Madison County2
- Mills County2
- Ringgold County2
- Taylor County2
- Union County2
- Benton County2
- Black Hawk County2
- Boone County2
- Buchanan County2
- Cedar County2
- Dallas County2
- Delaware County2
- Des Moines County2
- Dubuque County2
- Greene County2
- Grundy County2
42 more counties
- Hamilton County2
- Hardin County2
- Johnson County2
- Jones County2
- Linn County2
- Louisa County2
- Marshall County2
- Muscatine County2
- Polk County2
- Story County2
- Tama County2
- Webster County2
- Howard County2
- Mitchell County2
- Montgomery County1
- Page County1
- Pottawattamie County1
- Henry County1
- Lee County1
- Washington County1
- Allamakee County1
- Clayton County1
- Fayette County1
- Audubon County1
- Bremer County1
- Butler County1
- Calhoun County1
- Carroll County1
- Cerro Gordo County1
- Chickasaw County1
- Emmet County1
- Floyd County1
- Franklin County1
- Guthrie County1
- Hancock County1
- Humboldt County1
- Kossuth County1
- Palo Alto County1
- Pocahontas County1
- Winnebago County1
- Worth County1
- Wright County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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.