Alert archive / Iowa / Mesoscale Discussions / 2009
Mesoscale Discussions in Iowa, March 2009
7 mesoscale discussions in March 2009. 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 2009. Tap one for its archive.
- Mesoscale Discussions
- 7
- Busiest day
- March 23, 20093 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 6, 9:17 PM CST | Mesoscale Discussion | SPC | Decatur, Page, Ringgold, Taylor, Wayne | 118 min |
| Mar 7, 8:09 PM CST | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Dickinson, Emmet, Ida and 11 more | 4 hr |
| Mar 8, 12:58 PM CDT | Mesoscale Discussion | SPC | Allamakee, Bremer, Butler, Cerro Gordo, Chickasaw, Clayton and 6 more | 4 hr |
| Mar 22, 11:28 PM CDT | Mesoscale Discussion | SPC | Cerro Gordo, Dickinson, Emmet, Franklin, Hamilton, Hancock and 8 more | 3 hr |
| Mar 23, 3:11 PM CDT | Mesoscale Discussion | SPC | Crawford, Fremont, Harrison, Mills, Monona, Plymouth and 3 more | 94 min |
| Mar 23, 6:04 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Buena Vista, Carroll, Cass and 26 more | 116 min |
| Mar 31, 1:26 PM CDT | Mesoscale Discussion | SPC | Dickinson, Lyon, O'Brien, Osceola, Sioux | 3 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Dickinson County3
- Lyon County3
- Monona County3
- O'Brien County3
- Plymouth County3
- Sioux County3
- Woodbury County3
- Decatur County2
- Page County2
- Ringgold County2
- Taylor County2
- Buena Vista County2
- Cherokee County2
- Emmet County2
- Ida County2
- Kossuth County2
- Osceola County2
- Palo Alto County2
- Sac County2
- Cerro Gordo County2
- Worth County2
- Crawford County2
- Fremont County2
- Harrison County2
- Mills County2
- Pottawattamie County2
- Shelby County2
- Wayne County1
- Clay County1
- Pocahontas County1
- Allamakee County1
- Bremer County1
- Butler County1
- Chickasaw County1
- Clayton County1
- Fayette County1
- Floyd County1
- Howard County1
- Mitchell County1
- Winneshiek County1
20 more counties
Nearby
Alerts in force nowTornadoes on recordThe radar archive20082010
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.