Alert archive / Iowa / Tornado Watches / 2021
Tornado Watches in Iowa, March 2021
1 tornado watches in March 2021. 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 2021. Tap one for its archive.
- Tornado Watches
- 1
- Busiest day
- March 10, 20211 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 10, 2:46 PM CST | Tornado Watch | SPC | Allamakee, Benton, Black Hawk, Boone, Bremer, Buchanan and 28 more | 5 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Allamakee County1
- Benton County1
- Black Hawk County1
- Boone County1
- Bremer County1
- Buchanan County1
- Butler County1
- Cerro Gordo County1
- Chickasaw County1
- Dallas County1
- Fayette County1
- Floyd County1
- Franklin County1
- Grundy County1
- Hamilton County1
- Hancock County1
- Hardin County1
- Howard County1
- Humboldt County1
- Iowa County1
- Jasper County1
- Kossuth County1
- Marshall County1
- Mitchell County1
- Palo Alto County1
- Polk County1
- Poweshiek County1
- Story County1
- Tama County1
- Webster County1
- Winnebago County1
- Winneshiek County1
- Worth County1
- Wright County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.