Alert archive / Iowa / Winter Storm Watches / 2021
Winter Storm Watches in Iowa, March 2021
4 winter storm 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 winter storm watches reaches back to 2005.
Winter Storm Watches by county
Each county as a circle sized by its count in March 2021. Tap one for its archive.
- Winter Storm Watches
- 4
- Busiest day
- March 13, 20214 winter storm 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 13, 3:08 AM CST | Winter Storm Watch | DMX | Black Hawk, Boone, Bremer, Butler, Calhoun, Cerro Gordo and 17 more | 24 hr |
| Mar 13, 3:20 AM CST | Winter Storm Watch | ARX | Chickasaw, Fayette, Floyd, Howard, Mitchell | 24 hr |
| Mar 13, 3:24 AM CST | Winter Storm Watch | FSD | Buena Vista, Clay, Dickinson, Lyon, O'Brien, Osceola | 24 hr |
| Mar 13, 3:00 PM CST | Winter Storm Watch | DVN | Benton, Buchanan | 12 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Black Hawk County1
- Boone County1
- Bremer County1
- Butler County1
- Calhoun County1
- Cerro Gordo County1
- Emmet County1
- Franklin County1
- Grundy County1
- Hamilton County1
- Hancock County1
- Hardin County1
- Humboldt County1
- Kossuth County1
- Marshall County1
- Palo Alto County1
- Pocahontas County1
- Story County1
- Tama County1
- Webster County1
- Winnebago County1
- Worth County1
- Wright County1
- Chickasaw County1
- Fayette County1
- Floyd County1
- Howard County1
- Mitchell County1
- Buena Vista County1
- Clay County1
- Dickinson County1
- Lyon County1
- O'Brien County1
- Osceola County1
- Benton County1
- Buchanan 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. Warning verification from the Mesonet's Cow. Rebuilt daily.