Alert archive / Iowa / Mesoscale Discussions / 2005
Mesoscale Discussions in Iowa, April 2005
22 mesoscale discussions in April 2005. 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 2005. Tap one for its archive.
- Mesoscale Discussions
- 22
- Busiest day
- April 21, 20055 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 6, 2:31 PM CDT | Mesoscale Discussion | SPC | Allamakee, Clayton, Fayette, Howard, Winneshiek | 2 hr |
| Apr 9, 9:35 PM CDT | Mesoscale Discussion | SPC | Lyon, Sioux | 115 min |
| Apr 10, 2:57 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 66 more | 2 hr |
| Apr 10, 7:49 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Buena Vista, Calhoun and 36 more | 56 min |
| Apr 11, 10:55 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Buena Vista, Calhoun and 18 more | 95 min |
| Apr 11, 5:01 PM CDT | Mesoscale Discussion | SPC | Audubon, Carroll, Cass, Crawford, Fremont, Greene and 8 more | 59 min |
| Apr 16, 6:07 PM CDT | Mesoscale Discussion | SPC | Boone, Buena Vista, Calhoun, Carroll, Cherokee, Clay and 16 more | 113 min |
| Apr 17, 4:40 PM CDT | Mesoscale Discussion | SPC | Clay, Dickinson, Emmet, Kossuth, Lyon, O'Brien and 5 more | 2 hr |
| Apr 18, 6:26 PM CDT | Mesoscale Discussion | SPC | Cherokee, Crawford, Fremont, Harrison, Ida, Lyon and 9 more | 2 hr |
| Apr 18, 8:27 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Cass, Dallas, Fremont and 7 more | 63 min |
| Apr 18, 11:22 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Cass, Fremont, Guthrie and 6 more | 83 min |
| Apr 19, 1:45 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Carroll, Cass and 17 more | 30 min |
| Apr 19, 10:48 AM CDT | Mesoscale Discussion | SPC | Appanoose, Benton, Black Hawk, Bremer, Buchanan, Butler and 27 more | 57 min |
| Apr 19, 7:38 PM CDT | Mesoscale Discussion | SPC | Adair, Audubon, Boone, Calhoun, Carroll, Cass and 27 more | 2 hr |
| Apr 20, 1:14 AM CDT | Mesoscale Discussion | SPC | Harrison, Monona, Woodbury | 2 hr |
| Apr 20, 1:18 AM CDT | Mesoscale Discussion | SPC | Harrison, Monona, Woodbury | 117 min |
| Apr 20, 7:03 PM CDT | Mesoscale Discussion | SPC | Des Moines, Henry, Lee, Louisa, Muscatine, Scott | 87 min |
| Apr 21, 3:34 AM CDT | Mesoscale Discussion | SPC | Adams, Fremont, Mills, Montgomery, Page, Pottawattamie and 2 more | 116 min |
| Apr 21, 3:05 PM CDT | Mesoscale Discussion | SPC | Fremont, Mills | 85 min |
| Apr 21, 5:52 PM CDT | Mesoscale Discussion | SPC | Fremont, Mills, Montgomery, Page, Pottawattamie | 53 min |
| Apr 21, 6:51 PM CDT | Mesoscale Discussion | SPC | Fremont, Mills, Montgomery, Page, Pottawattamie | 84 min |
| Apr 21, 9:50 PM CDT | Mesoscale Discussion | SPC | Adams | 55 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Fremont County12
- Mills County12
- Pottawattamie County12
- Harrison County11
- Montgomery County10
- Page County10
- Shelby County9
- Adams County8
- Audubon County8
- Cass County8
- Guthrie County8
- Monona County8
- Woodbury County8
- Adair County7
- Carroll County7
- Crawford County7
- Greene County7
- Boone County6
- Dallas County6
- Ida County6
- Lyon County5
- Sioux County5
- Calhoun County5
- Cherokee County5
- Sac County5
- Buena Vista County4
- Clay County4
- Franklin County4
- Hamilton County4
- Hardin County4
- Kossuth County4
- O'Brien County4
- Osceola County4
- Palo Alto County4
- Plymouth County4
- Pocahontas County4
- Taylor County4
- Webster County4
- Wright County4
- Dickinson County3
56 more counties
- Emmet County3
- Grundy County3
- Humboldt County3
- Jasper County3
- Madison County3
- Mahaska County3
- Marion County3
- Marshall County3
- Ringgold County3
- Story County3
- Tama County3
- Warren County3
- Winnebago County3
- Clayton County2
- Fayette County2
- Howard County2
- Appanoose County2
- Black Hawk County2
- Bremer County2
- Butler County2
- Chickasaw County2
- Clarke County2
- Hancock County2
- Lucas County2
- Monroe County2
- Polk County2
- Poweshiek County2
- Union County2
- Henry County2
- Louisa County2
- Muscatine County2
- Allamakee County1
- Winneshiek County1
- Cerro Gordo County1
- Decatur County1
- Floyd County1
- Mitchell County1
- Wayne County1
- Worth County1
- Benton County1
- Buchanan County1
- Cedar County1
- Davis County1
- Delaware County1
- Iowa County1
- Jefferson County1
- Johnson County1
- Jones County1
- Keokuk County1
- Linn County1
- Van Buren County1
- Wapello County1
- Washington County1
- Des Moines County1
- Lee County1
- Scott County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20042006
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.