Alert archive / Iowa / Mesoscale Discussions / 2011
Mesoscale Discussions in Iowa, April 2011
10 mesoscale discussions in April 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 April 2011. Tap one for its archive.
- Mesoscale Discussions
- 10
- Busiest day
- April 10, 20115 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 |
|---|---|---|---|---|
| Apr 3, 4:49 PM CDT | Mesoscale Discussion | SPC | Appanoose, Benton, Black Hawk, Buchanan, Cedar, Clarke and 31 more | 56 min |
| Apr 3, 7:44 PM CDT | Mesoscale Discussion | SPC | Appanoose, Benton, Cedar, Clinton, Davis, Delaware and 21 more | 61 min |
| Apr 3, 10:23 PM CDT | Mesoscale Discussion | SPC | Clinton, Jackson, Louisa, Muscatine, Scott | 67 min |
| Apr 9, 5:00 PM CDT | Mesoscale Discussion | SPC | Audubon, Boone, Buena Vista, Calhoun, Carroll, Cherokee and 17 more | 60 min |
| Apr 9, 9:06 PM CDT | Mesoscale Discussion | SPC | Audubon, Buena Vista, Calhoun, Carroll, Cass, Cherokee and 31 more | 54 min |
| Apr 9, 10:43 PM CDT | Mesoscale Discussion | SPC | Allamakee, Black Hawk, Bremer, Buena Vista, Butler, Cerro Gordo and 25 more | 62 min |
| Apr 10, 1:26 AM CDT | Mesoscale Discussion | SPC | Allamakee, Buena Vista, Cerro Gordo, Chickasaw, Clay, Dickinson and 14 more | 64 min |
| Apr 10, 1:30 PM CDT | Mesoscale Discussion | SPC | Allamakee, Buchanan, Clayton, Delaware, Dubuque, Fayette and 5 more | 2 hr |
| Apr 10, 5:03 PM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Davis, Delaware, Des Moines, Dubuque and 12 more | 57 min |
| Apr 19, 5:52 AM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Decatur, Lee, Ringgold, Van Buren and 1 more | 83 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Jackson County5
- Clinton County4
- Davis County4
- Delaware County4
- Dubuque County4
- Jones County4
- Lee County4
- Linn County4
- Louisa County4
- Muscatine County4
- Scott County4
- Van Buren County4
- Buena Vista County4
- Clay County4
- Humboldt County4
- O'Brien County4
- Palo Alto County4
- Pocahontas County4
- Appanoose County3
- Cedar County3
- Des Moines County3
- Henry County3
- Jefferson County3
- Johnson County3
- Washington County3
- Wayne County3
- Cherokee County3
- Webster County3
- Dickinson County3
- Emmet County3
- Hancock County3
- Kossuth County3
- Osceola County3
- Winnebago County3
- Worth County3
- Allamakee County3
- Howard County3
- Winneshiek County3
- Benton County2
- Black Hawk County2
51 more counties
- Buchanan County2
- Decatur County2
- Iowa County2
- Keokuk County2
- Mahaska County2
- Monroe County2
- Poweshiek County2
- Wapello County2
- Audubon County2
- Calhoun County2
- Carroll County2
- Crawford County2
- Greene County2
- Guthrie County2
- Harrison County2
- Ida County2
- Monona County2
- Plymouth County2
- Pottawattamie County2
- Sac County2
- Shelby County2
- Woodbury County2
- Wright County2
- Cerro Gordo County2
- Chickasaw County2
- Fayette County2
- Floyd County2
- Mitchell County2
- Clarke County1
- Jasper County1
- Lucas County1
- Marion County1
- Marshall County1
- Tama County1
- Warren County1
- Boone County1
- Cass County1
- Fremont County1
- Lyon County1
- Mills County1
- Montgomery County1
- Page County1
- Sioux County1
- Bremer County1
- Butler County1
- Franklin County1
- Grundy County1
- Hamilton County1
- Hardin County1
- Clayton County1
- Ringgold 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.