Alert archive / Iowa / Mesoscale Discussions / 2007
Mesoscale Discussions in Iowa, April 2007
14 mesoscale discussions in April 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 April 2007. Tap one for its archive.
- Mesoscale Discussions
- 14
- Busiest day
- April 3, 20076 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 2, 8:05 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Benton, Black Hawk and 86 more | 115 min |
| Apr 2, 11:33 PM CDT | Mesoscale Discussion | SPC | Black Hawk, Bremer, Buchanan, Butler, Calhoun, Clayton and 17 more | 57 min |
| Apr 2, 11:40 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Cass, Clarke, Decatur and 11 more | 65 min |
| Apr 3, 1:27 AM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Boone, Bremer, Buchanan and 49 more | 93 min |
| Apr 3, 2:22 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 24 more | 53 min |
| Apr 3, 4:05 AM CDT | Mesoscale Discussion | SPC | Des Moines, Henry, Jefferson, Keokuk, Lee, Louisa and 3 more | 55 min |
| Apr 11, 7:30 AM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 19 more | 6 hr |
| Apr 22, 10:57 AM CDT | Mesoscale Discussion | SPC | Fremont, Mills, Page | 93 min |
| Apr 22, 12:07 PM CDT | Mesoscale Discussion | SPC | Adair, Allamakee, Benton, Black Hawk, Boone, Bremer and 55 more | 113 min |
| Apr 22, 1:25 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Buena Vista, Calhoun, Carroll and 26 more | 95 min |
| Apr 22, 5:59 PM CDT | Mesoscale Discussion | SPC | Boone, Clarke, Dallas, Decatur, Dickinson, Humboldt and 6 more | 2 hr |
| Apr 22, 6:36 PM CDT | Mesoscale Discussion | SPC | Appanoose, Black Hawk, Bremer, Butler, Cerro Gordo, Chickasaw and 27 more | 114 min |
| Apr 29, 3:52 PM CDT | Mesoscale Discussion | SPC | Allamakee, Bremer, Buchanan, Butler, Cerro Gordo, Chickasaw and 10 more | 83 min |
| Apr 30, 3:46 PM CDT | Mesoscale Discussion | SPC | Allamakee, Black Hawk, Bremer, Buchanan, Butler, Cerro Gordo and 25 more | 59 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bremer County8
- Butler County8
- Black Hawk County7
- Buchanan County7
- Chickasaw County7
- Clayton County7
- Delaware County7
- Dubuque County7
- Fayette County7
- Humboldt County7
- Cerro Gordo County6
- Floyd County6
- Franklin County6
- Grundy County6
- Hardin County6
- Howard County6
- Jones County6
- Linn County6
- Madison County6
- Mitchell County6
- Union County6
- Winnebago County6
- Worth County6
- Wright County6
- Adair County5
- Clarke County5
- Decatur County5
- Fremont County5
- Hamilton County5
- Hancock County5
- Harrison County5
- Jasper County5
- Kossuth County5
- Marion County5
- Marshall County5
- Mills County5
- Page County5
- Pocahontas County5
- Polk County5
- Poweshiek County5
59 more counties
- Ringgold County5
- Story County5
- Tama County5
- Jackson County5
- Allamakee County5
- Winneshiek County5
- Adams County4
- Audubon County4
- Benton County4
- Boone County4
- Calhoun County4
- Cass County4
- Clinton County4
- Dallas County4
- Greene County4
- Guthrie County4
- Ida County4
- Iowa County4
- Lucas County4
- Mahaska County4
- Monroe County4
- Montgomery County4
- Muscatine County4
- Pottawattamie County4
- Sac County4
- Scott County4
- Shelby County4
- Taylor County4
- Wapello County4
- Warren County4
- Wayne County4
- Webster County4
- Woodbury County4
- Appanoose County3
- Buena Vista County3
- Carroll County3
- Cedar County3
- Cherokee County3
- Clay County3
- Crawford County3
- Davis County3
- Emmet County3
- Jefferson County3
- Johnson County3
- Keokuk County3
- Louisa County3
- Monona County3
- Palo Alto County3
- Washington County3
- Des Moines County2
- Dickinson County2
- Henry County2
- Lee County2
- O'Brien County2
- Van Buren County2
- Sioux County2
- Plymouth County1
- Lyon County1
- Osceola 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.