Alert archive / Iowa / Mesoscale Discussions / 2021
Mesoscale Discussions in Iowa, January 2021
5 mesoscale discussions in January 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 January 2021. Tap one for its archive.
- Mesoscale Discussions
- 5
- Busiest day
- January 15, 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 |
|---|---|---|---|---|
| Jan 1, 6:35 AM CST | Mesoscale Discussion | SPC | Des Moines, Lee | 4 hr |
| Jan 14, 8:44 PM CST | Mesoscale Discussion | SPC | Cherokee, Ida, Lyon, Monona, O'Brien, Osceola and 3 more | 5 hr |
| Jan 15, 3:37 AM CST | Mesoscale Discussion | SPC | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 3 hr |
| Jan 25, 10:41 AM CST | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Carroll, Cass and 26 more | 6 hr |
| Jan 25, 3:26 PM CST | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Benton, Black Hawk and 55 more | 4 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Monona County4
- Fremont County3
- Harrison County3
- Mills County3
- Montgomery County3
- Page County3
- Pottawattamie County3
- Taylor County3
- Des Moines County2
- Lee County2
- Adair County2
- Adams County2
- Audubon County2
- Boone County2
- Carroll County2
- Cass County2
- Clarke County2
- Crawford County2
- Dallas County2
- Decatur County2
- Greene County2
- Guthrie County2
- Jasper County2
- Lucas County2
- Madison County2
- Marion County2
- Monroe County2
- Polk County2
- Ringgold County2
- Shelby County2
- Story County2
- Union County2
- Warren County2
- Wayne County2
- Cherokee County1
- Ida County1
- Lyon County1
- O'Brien County1
- Osceola County1
- Plymouth County1
29 more counties
- Sioux County1
- Woodbury County1
- Appanoose County1
- Benton County1
- Black Hawk County1
- Buchanan County1
- Cedar County1
- Clinton County1
- Davis County1
- Delaware County1
- Grundy County1
- Hamilton County1
- Hardin County1
- Henry County1
- Iowa County1
- Jefferson County1
- Johnson County1
- Jones County1
- Keokuk County1
- Linn County1
- Louisa County1
- Mahaska County1
- Marshall County1
- Muscatine County1
- Poweshiek County1
- Tama County1
- Van Buren County1
- Wapello County1
- Washington 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.