Alert archive / Iowa / Mesoscale Discussions / 2012
Mesoscale Discussions in Iowa, December 2012
6 mesoscale discussions in December 2012. 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 December 2012. Tap one for its archive.
- Mesoscale Discussions
- 6
- Busiest day
- December 20, 20124 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 |
|---|---|---|---|---|
| Dec 3, 3:29 PM CST | Mesoscale Discussion | SPC | Cedar, Clinton, Des Moines, Jackson, Lee, Louisa and 2 more | 91 min |
| Dec 19, 2:08 PM CST | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Benton, Black Hawk, Boone and 48 more | 6 hr |
| Dec 19, 9:32 PM CST | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 24 more | 5 hr |
| Dec 20, 3:12 AM CST | Mesoscale Discussion | SPC | Allamakee, Clayton, Winneshiek | 4 hr |
| Dec 20, 7:49 AM CST | Mesoscale Discussion | SPC | Appanoose, Cedar, Davis, Des Moines, Henry, Jefferson and 10 more | 4 hr |
| Dec 20, 10:52 AM CST | Mesoscale Discussion | SPC | Clinton, Des Moines, Scott | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Des Moines County3
- Scott County3
- Cedar County2
- Clinton County2
- Lee County2
- Louisa County2
- Muscatine County2
- Adair County2
- Adams County2
- Audubon County2
- Black Hawk County2
- Boone County2
- Butler County2
- Carroll County2
- Cass County2
- Dallas County2
- Franklin County2
- Fremont County2
- Greene County2
- Grundy County2
- Guthrie County2
- Hamilton County2
- Hardin County2
- Harrison County2
- Keokuk County2
- Madison County2
- Marshall County2
- Mills County2
- Montgomery County2
- Polk County2
- Pottawattamie County2
- Shelby County2
- Story County2
- Tama County2
- Jackson County1
- Benton County1
- Buena Vista County1
- Calhoun County1
- Clarke County1
- Crawford County1
38 more counties
- Decatur County1
- Humboldt County1
- Ida County1
- Iowa County1
- Jasper County1
- Lucas County1
- Mahaska County1
- Marion County1
- Monona County1
- Monroe County1
- Page County1
- Pocahontas County1
- Poweshiek County1
- Ringgold County1
- Sac County1
- Taylor County1
- Union County1
- Warren County1
- Wayne County1
- Webster County1
- Woodbury County1
- Wright County1
- Bremer County1
- Buchanan County1
- Chickasaw County1
- Fayette County1
- Allamakee County1
- Clayton County1
- Winneshiek County1
- Appanoose County1
- Davis County1
- Henry County1
- Jefferson County1
- Johnson County1
- Jones County1
- Van Buren County1
- Wapello County1
- Washington County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20112013
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.