Alert archive / Iowa / Mesoscale Discussions / 2007
Mesoscale Discussions in Iowa, September 2007
15 mesoscale discussions in September 2007. 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 September 2007. Tap one for its archive.
- Mesoscale Discussions
- 15
- Busiest day
- September 30, 20075 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 |
|---|---|---|---|---|
| Sep 6, 5:59 PM CDT | Mesoscale Discussion | SPC | Cherokee, Fremont, Harrison, Mills, Monona, Plymouth and 3 more | 91 min |
| Sep 6, 9:30 PM CDT | Mesoscale Discussion | SPC | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 90 min |
| Sep 17, 6:03 PM CDT | Mesoscale Discussion | SPC | Lyon, Osceola, Plymouth, Sioux | 87 min |
| Sep 17, 10:03 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Dickinson, Lyon, O'Brien and 3 more | 57 min |
| Sep 18, 3:43 PM CDT | Mesoscale Discussion | SPC | Appanoose, Benton, Cedar, Clarke, Davis, Decatur and 20 more | 2 hr |
| Sep 20, 8:40 PM CDT | Mesoscale Discussion | SPC | Lyon | 95 min |
| Sep 21, 3:17 PM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 24 more | 88 min |
| Sep 21, 6:17 PM CDT | Mesoscale Discussion | SPC | Benton, Cedar, Clinton, Delaware, Des Moines, Dubuque and 16 more | 88 min |
| Sep 24, 3:54 PM CDT | Mesoscale Discussion | SPC | Audubon, Boone, Buena Vista, Calhoun, Carroll, Cass and 32 more | 2 hr |
| Sep 26, 1:41 PM CDT | Mesoscale Discussion | SPC | Cherokee, Clay, Dickinson, Lyon, O'Brien, Osceola and 3 more | 64 min |
| Sep 30, 10:13 AM CDT | Mesoscale Discussion | SPC | Audubon, Boone, Calhoun, Carroll, Cass, Cerro Gordo and 19 more | 2 hr |
| Sep 30, 12:10 PM CDT | Mesoscale Discussion | SPC | Adams, Fremont, Mills, Montgomery, Page, Ringgold and 1 more | 65 min |
| Sep 30, 2:26 PM CDT | Mesoscale Discussion | SPC | Appanoose, Clarke, Davis, Decatur, Iowa, Jasper and 16 more | 64 min |
| Sep 30, 3:36 PM CDT | Mesoscale Discussion | SPC | Cherokee, Crawford, Harrison, Ida, Lyon, Monona and 6 more | 54 min |
| Sep 30, 5:45 PM CDT | Mesoscale Discussion | SPC | Adair, Boone, Buena Vista, Calhoun, Carroll, Cherokee and 26 more | 60 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cherokee County6
- Plymouth County5
- Sioux County5
- Woodbury County5
- Lyon County5
- O'Brien County5
- Mahaska County5
- Harrison County4
- Mills County4
- Monona County4
- Shelby County4
- Osceola County4
- Clay County4
- Iowa County4
- Jasper County4
- Lucas County4
- Marion County4
- Monroe County4
- Poweshiek County4
- Warren County4
- Fremont County3
- Pottawattamie County3
- Buena Vista County3
- Dickinson County3
- Benton County3
- Clarke County3
- Decatur County3
- Keokuk County3
- Linn County3
- Tama County3
- Wapello County3
- Wayne County3
- Dallas County3
- Floyd County3
- Madison County3
- Polk County3
- Story County3
- Boone County3
- Calhoun County3
- Carroll County3
58 more counties
- Greene County3
- Guthrie County3
- Hamilton County3
- Humboldt County3
- Ida County3
- Pocahontas County3
- Sac County3
- Webster County3
- Ringgold County3
- Montgomery County2
- Page County2
- Appanoose County2
- Cedar County2
- Davis County2
- Henry County2
- Jefferson County2
- Johnson County2
- Louisa County2
- Muscatine County2
- Washington County2
- Delaware County2
- Dubuque County2
- Hardin County2
- Howard County2
- Marshall County2
- Audubon County2
- Cass County2
- Cerro Gordo County2
- Crawford County2
- Emmet County2
- Franklin County2
- Hancock County2
- Kossuth County2
- Mitchell County2
- Palo Alto County2
- Winnebago County2
- Worth County2
- Wright County2
- Union County2
- Van Buren County1
- Allamakee County1
- Black Hawk County1
- Bremer County1
- Buchanan County1
- Butler County1
- Chickasaw County1
- Clayton County1
- Fayette County1
- Grundy County1
- Winneshiek County1
- Clinton County1
- Des Moines County1
- Jackson County1
- Jones County1
- Scott County1
- Adams County1
- Taylor County1
- Adair County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20062008
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.