Alert archive / Iowa / Mesoscale Discussions / 2011
Mesoscale Discussions in Iowa, February 2011
8 mesoscale discussions in February 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 February 2011. Tap one for its archive.
- Mesoscale Discussions
- 8
- Busiest day
- February 20, 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 |
|---|---|---|---|---|
| Feb 1, 10:36 AM CST | Mesoscale Discussion | SPC | Appanoose, Cedar, Clarke, Clinton, Davis, Decatur and 19 more | 6 hr |
| Feb 1, 3:36 PM CST | Mesoscale Discussion | SPC | Appanoose, Benton, Buchanan, Cedar, Clarke, Clinton and 32 more | 6 hr |
| Feb 19, 11:25 PM CST | Mesoscale Discussion | SPC | Clay, Dickinson, Emmet, Kossuth, Lyon, Osceola and 3 more | 5 hr |
| Feb 20, 4:35 AM CST | Mesoscale Discussion | SPC | Allamakee, Black Hawk, Bremer, Buchanan, Butler, Cerro Gordo and 25 more | 6 hr |
| Feb 20, 10:49 AM CST | Mesoscale Discussion | SPC | Allamakee, Emmet, Howard, Mitchell, Winnebago, Winneshiek and 1 more | 4 hr |
| Feb 24, 11:13 AM CST | Mesoscale Discussion | SPC | Adams, Appanoose, Decatur, Fremont, Page, Ringgold and 2 more | 6 hr |
| Feb 24, 5:20 PM CST | Mesoscale Discussion | SPC | Appanoose, Davis, Des Moines, Henry, Jefferson, Lee and 5 more | 6 hr |
| Feb 27, 5:50 PM CST | Mesoscale Discussion | SPC | Appanoose, Cedar, Clarke, Clinton, Davis, Decatur and 19 more | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Appanoose County5
- Clinton County4
- Davis County4
- Decatur County4
- Des Moines County4
- Henry County4
- Jefferson County4
- Louisa County4
- Monroe County4
- Van Buren County4
- Wapello County4
- Washington County4
- Wayne County4
- Cedar County3
- Clarke County3
- Iowa County3
- Johnson County3
- Keokuk County3
- Lee County3
- Lucas County3
- Mahaska County3
- Marion County3
- Muscatine County3
- Scott County3
- Jackson County3
- Emmet County3
- Winnebago County3
- Poweshiek County2
- Buchanan County2
- Delaware County2
- Dubuque County2
- Jones County2
- Clay County2
- Dickinson County2
- Kossuth County2
- Osceola County2
- Palo Alto County2
- Allamakee County2
- Howard County2
- Mitchell County2
30 more counties
- Winneshiek County2
- Worth County2
- Ringgold County2
- Benton County1
- Jasper County1
- Linn County1
- Marshall County1
- Polk County1
- Story County1
- Tama County1
- Warren County1
- Lyon County1
- Sioux County1
- Black Hawk County1
- Bremer County1
- Butler County1
- Cerro Gordo County1
- Chickasaw County1
- Clayton County1
- Fayette County1
- Floyd County1
- Franklin County1
- Hancock County1
- Humboldt County1
- O'Brien County1
- Wright County1
- Adams County1
- Fremont County1
- Page County1
- Taylor 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.