Alert archive / Iowa / Mesoscale Discussions / 2021
Mesoscale Discussions in Iowa, March 2021
5 mesoscale discussions 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 mesoscale discussions reaches back to 2003.
Mesoscale Discussions by county
Each county as a circle sized by its count in March 2021. Tap one for its archive.
- Mesoscale Discussions
- 5
- Busiest day
- March 10, 20212 mesoscale discussions
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, 1:32 PM CST | Mesoscale Discussion | SPC | Adair, Audubon, Benton, Black Hawk, Boone, Bremer and 38 more | 118 min |
| Mar 10, 5:43 PM CST | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 21 more | 2 hr |
| Mar 14, 6:20 PM CDT | Mesoscale Discussion | SPC | Adair, Audubon, Boone, Buena Vista, Calhoun, Carroll and 32 more | 6 hr |
| Mar 15, 1:50 AM CDT | Mesoscale Discussion | SPC | Black Hawk, Boone, Bremer, Buchanan, Buena Vista, Butler and 38 more | 6 hr |
| Mar 23, 12:44 PM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Decatur, Lee, Ringgold, Taylor and 3 more | 2 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Hardin County4
- Marshall County4
- Story County4
- Black Hawk County3
- Boone County3
- Bremer County3
- Buchanan County3
- Buena Vista County3
- Butler County3
- Calhoun County3
- Carroll County3
- Cerro Gordo County3
- Chickasaw County3
- Emmet County3
- Fayette County3
- Floyd County3
- Franklin County3
- Greene County3
- Grundy County3
- Hamilton County3
- Hancock County3
- Howard County3
- Humboldt County3
- Kossuth County3
- Mitchell County3
- Palo Alto County3
- Pocahontas County3
- Polk County3
- Sac County3
- Tama County3
- Webster County3
- Worth County3
- Wright County3
- Adair County2
- Audubon County2
- Benton County2
- Dallas County2
- Guthrie County2
- Jasper County2
- Madison County2
31 more counties
- Poweshiek County2
- Warren County2
- Winnebago County2
- Winneshiek County2
- Cherokee County2
- Clay County2
- Crawford County2
- Dickinson County2
- Ida County2
- Lyon County2
- O'Brien County2
- Osceola County2
- Plymouth County2
- Sioux County2
- Woodbury County2
- Allamakee County1
- Lucas County1
- Mahaska County1
- Marion County1
- Harrison County1
- Monona County1
- Shelby County1
- Appanoose County1
- Davis County1
- Decatur County1
- Lee County1
- Ringgold County1
- Taylor County1
- Van Buren County1
- Wapello County1
- Wayne 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.