Alert archive / Iowa / Mesoscale Discussions / 2011
Mesoscale Discussions in Iowa, March 2011
6 mesoscale discussions in March 2011. 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 2011. Tap one for its archive.
- Mesoscale Discussions
- 6
- Busiest day
- March 22, 20113 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 20, 2:51 PM CDT | Mesoscale Discussion | SPC | Adams, Appanoose, Benton, Clarke, Dallas, Davis and 26 more | 114 min |
| Mar 21, 10:05 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Calhoun, Cherokee, Clay, Dickinson, Emmet and 17 more | 115 min |
| Mar 22, 1:19 PM CDT | Mesoscale Discussion | SPC | Adams, Cass, Crawford, Fremont, Harrison, Mills and 7 more | 116 min |
| Mar 22, 5:33 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Cass, Harrison, Madison and 2 more | 57 min |
| Mar 22, 8:00 PM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Des Moines, Henry, Jefferson, Keokuk and 7 more | 60 min |
| Mar 22, 11:21 PM CDT | Mesoscale Discussion | SPC | Des Moines, Lee | 84 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Adams County3
- Appanoose County2
- Davis County2
- Jefferson County2
- Keokuk County2
- Madison County2
- Mahaska County2
- Monroe County2
- Taylor County2
- Wapello County2
- Washington County2
- Cass County2
- Harrison County2
- Pottawattamie County2
- Shelby County2
- Des Moines County2
- Lee County2
- Benton County1
- Clarke County1
- Dallas County1
- Decatur County1
- Grundy County1
- Hardin County1
- Iowa County1
- Jasper County1
- Johnson County1
- Linn County1
- Lucas County1
- Marion County1
- Marshall County1
- Polk County1
- Poweshiek County1
- Ringgold County1
- Story County1
- Tama County1
- Union County1
- Warren County1
- Wayne County1
- Buena Vista County1
- Calhoun County1
33 more counties
- Cherokee County1
- Clay County1
- Dickinson County1
- Emmet County1
- Greene County1
- Hancock County1
- Humboldt County1
- Ida County1
- Kossuth County1
- Lyon County1
- O'Brien County1
- Osceola County1
- Palo Alto County1
- Plymouth County1
- Pocahontas County1
- Sac County1
- Sioux County1
- Webster County1
- Winnebago County1
- Worth County1
- Wright County1
- Crawford County1
- Fremont County1
- Mills County1
- Monona County1
- Montgomery County1
- Page County1
- Woodbury County1
- Adair County1
- Audubon County1
- Henry County1
- Louisa County1
- Van Buren County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.