Alert archive / Iowa / Tornado Watches / 2020
Tornado Watches in Iowa, March 2020
2 tornado watches in March 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 March 2020. Tap one for its archive.
- Tornado Watches
- 2
- Busiest day
- March 19, 20201 tornado watches
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Appanoose County2
- Davis County2
- Iowa County2
- Jasper County2
- Jefferson County2
- Keokuk County2
- Lucas County2
- Mahaska County2
- Marion County2
- Monroe County2
- Poweshiek County2
- Van Buren County2
- Wapello County2
- Warren County2
- Wayne County2
- Adair County1
- Adams County1
- Cass County1
- Clarke County1
- Decatur County1
- Fremont County1
- Madison County1
- Mills County1
- Montgomery County1
- Page County1
- Pottawattamie County1
- Ringgold County1
- Taylor County1
- Union County1
- Benton County1
- Black Hawk County1
- Boone County1
- Buchanan County1
- Cedar County1
- Clinton County1
- Dallas County1
- Delaware County1
- Des Moines County1
- Dubuque County1
- Greene County1
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. Warning verification from the Mesonet's Cow. Rebuilt daily.