Alert archive / Iowa / Mesoscale Discussions / 2009
Mesoscale Discussions in Iowa, February 2009
5 mesoscale discussions in February 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 February 2009. Tap one for its archive.
- Mesoscale Discussions
- 5
- Busiest day
- February 26, 20092 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 9, 8:43 AM CST | Mesoscale Discussion | SPC | Adams, Fremont, Montgomery, Page, Ringgold, Taylor | 32 min |
| Feb 13, 11:07 AM CST | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Calhoun, Carroll and 23 more | 3 hr |
| Feb 26, 6:33 AM CST | Mesoscale Discussion | SPC | Buena Vista, Calhoun, Cherokee, Clay, Dickinson, Emmet and 18 more | 5 hr |
| Feb 26, 9:26 AM CST | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Benton, Boone and 40 more | 2 hr |
| Feb 27, 6:22 PM CST | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Cass, Fremont, Harrison and 9 more | 4 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Adams County4
- Montgomery County4
- Page County4
- Taylor County4
- Fremont County3
- Ringgold County3
- Adair County3
- Audubon County3
- Cass County3
- Shelby County3
- Union County3
- Boone County2
- Calhoun County2
- Clarke County2
- Dallas County2
- Greene County2
- Guthrie County2
- Harrison County2
- Madison County2
- Marion County2
- Mills County2
- Monona County2
- Polk County2
- Pottawattamie County2
- Sac County2
- Story County2
- Warren County2
- Webster County2
- Hamilton County2
- Carroll County1
- Crawford County1
- Buena Vista County1
- Cherokee County1
- Clay County1
- Dickinson County1
- Emmet County1
- Hancock County1
- Humboldt County1
- Ida County1
- Kossuth County1
36 more counties
- Lyon County1
- O'Brien County1
- Osceola County1
- Palo Alto County1
- Plymouth County1
- Pocahontas County1
- Sioux County1
- Winnebago County1
- Woodbury County1
- Worth County1
- Wright County1
- Appanoose County1
- Benton County1
- Cedar County1
- Davis County1
- Decatur County1
- Des Moines County1
- Henry County1
- Iowa County1
- Jasper County1
- Jefferson County1
- Johnson County1
- Keokuk County1
- Lee County1
- Louisa County1
- Lucas County1
- Mahaska County1
- Marshall County1
- Monroe County1
- Muscatine County1
- Poweshiek County1
- Tama County1
- Van Buren County1
- Wapello County1
- Washington County1
- Wayne County1
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.