Alert archive / Iowa / Mesoscale Discussions / 2024
Mesoscale Discussions in Iowa, August 2024
23 mesoscale discussions in August 2024. 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 August 2024. Tap one for its archive.
- Mesoscale Discussions
- 23
- Busiest day
- August 15, 20245 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 |
|---|---|---|---|---|
| Jul 31, 8:42 PM CDT | Mesoscale Discussion | SPC | Appanoose, Boone, Davis, Iowa, Jasper, Keokuk and 12 more | 93 min |
| Jul 31, 8:55 PM CDT | Mesoscale Discussion | SPC | Allamakee, Bremer, Buena Vista, Butler, Cerro Gordo, Cherokee and 24 more | 2 hr |
| Aug 3, 11:56 PM CDT | Mesoscale Discussion | SPC | Mitchell, Winnebago, Worth | 94 min |
| Aug 5, 2:06 PM CDT | Mesoscale Discussion | SPC | Allamakee, Black Hawk, Bremer, Buena Vista, Butler, Cerro Gordo and 25 more | 114 min |
| Aug 5, 5:09 PM CDT | Mesoscale Discussion | SPC | Allamakee, Black Hawk, Bremer, Buchanan, Chickasaw, Clayton and 8 more | 66 min |
| Aug 5, 6:59 PM CDT | Mesoscale Discussion | SPC | Chickasaw, Floyd, Howard, Mitchell, Winneshiek, Worth | 61 min |
| Aug 5, 9:40 PM CDT | Mesoscale Discussion | SPC | Allamakee, Bremer, Buchanan, Chickasaw, Clayton, Delaware and 5 more | 65 min |
| Aug 5, 11:25 PM CDT | Mesoscale Discussion | SPC | Clayton, Dubuque | 35 min |
| Aug 14, 3:57 PM CDT | Mesoscale Discussion | SPC | Fremont, Mills | 3 hr |
| Aug 14, 7:09 PM CDT | Mesoscale Discussion | SPC | Fremont | 96 min |
| Aug 14, 9:20 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 21 more | 115 min |
| Aug 15, 1:14 PM CDT | Mesoscale Discussion | SPC | Adair, Audubon, Carroll, Cass, Crawford, Greene and 6 more | 2 hr |
| Aug 15, 3:03 PM CDT | Mesoscale Discussion | SPC | Appanoose, Clarke, Davis, Decatur, Des Moines, Henry and 16 more | 2 hr |
| Aug 15, 6:14 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 33 more | 91 min |
| Aug 15, 8:51 PM CDT | Mesoscale Discussion | SPC | Des Moines, Henry, Jefferson, Johnson, Keokuk, Lee and 5 more | 84 min |
| Aug 16, 1:53 PM CDT | Mesoscale Discussion | SPC | Jackson | 3 hr |
| Aug 26, 4:39 PM CDT | Mesoscale Discussion | SPC | Clay, Dickinson, Emmet, Lyon, O'Brien, Osceola and 2 more | 96 min |
| Aug 26, 9:28 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Dickinson, Emmet, Lyon and 6 more | 92 min |
| Aug 27, 12:41 AM CDT | Mesoscale Discussion | SPC | Clay, Dickinson, Lyon, O'Brien, Osceola, Sioux | 94 min |
| Aug 27, 3:46 AM CDT | Mesoscale Discussion | SPC | Buena Vista, Butler, Calhoun, Cerro Gordo, Chickasaw, Clay and 15 more | 59 min |
| Aug 27, 4:47 PM CDT | Mesoscale Discussion | SPC | Des Moines | 88 min |
| Aug 29, 2:35 PM CDT | Mesoscale Discussion | SPC | Crawford, Harrison, Ida, Monona, Woodbury | 115 min |
| Aug 29, 3:17 PM CDT | Mesoscale Discussion | SPC | Audubon, Boone, Calhoun, Carroll, Cerro Gordo, Crawford and 17 more | 88 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Chickasaw County6
- Clay County6
- Dickinson County6
- Worth County6
- Emmet County5
- Floyd County5
- Howard County5
- Lyon County5
- Mitchell County5
- O'Brien County5
- Osceola County5
- Palo Alto County5
- Sioux County5
- Winnebago County5
- Winneshiek County5
- Appanoose County4
- Keokuk County4
- Lucas County4
- Marion County4
- Monroe County4
- Warren County4
- Wayne County4
- Allamakee County4
- Bremer County4
- Buena Vista County4
- Cerro Gordo County4
- Clayton County4
- Fayette County4
- Franklin County4
- Hancock County4
- Humboldt County4
- Kossuth County4
- Plymouth County4
- Pocahontas County4
- Wright County4
- Fremont County4
- Mills County4
- Audubon County4
- Guthrie County4
- Harrison County4
57 more counties
- Davis County3
- Jasper County3
- Mahaska County3
- Polk County3
- Poweshiek County3
- Wapello County3
- Butler County3
- Cherokee County3
- Dubuque County3
- Adair County3
- Cass County3
- Clarke County3
- Dallas County3
- Decatur County3
- Pottawattamie County3
- Ringgold County3
- Shelby County3
- Taylor County3
- Union County3
- Crawford County3
- Des Moines County3
- Henry County3
- Jefferson County3
- Van Buren County3
- Washington County3
- Boone County2
- Iowa County2
- Story County2
- Black Hawk County2
- Buchanan County2
- Delaware County2
- Jackson County2
- Adams County2
- Madison County2
- Montgomery County2
- Page County2
- Carroll County2
- Greene County2
- Monona County2
- Louisa County2
- Johnson County2
- Lee County2
- Woodbury County2
- Calhoun County2
- Webster County2
- Marshall County1
- Tama County1
- Grundy County1
- Clinton County1
- Jones County1
- Linn County1
- Muscatine County1
- Scott County1
- Ida County1
- Hamilton County1
- Hardin County1
- Sac County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20232025
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.