Alert archive / Iowa / Mesoscale Discussions / 2023
Mesoscale Discussions in Iowa, August 2023
14 mesoscale discussions in August 2023. 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 2023. Tap one for its archive.
- Mesoscale Discussions
- 14
- Busiest day
- August 6, 20234 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 |
|---|---|---|---|---|
| Aug 2, 2:38 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Cass, Clarke, Decatur and 11 more | 3 hr |
| Aug 5, 2:10 PM CDT | Mesoscale Discussion | SPC | Cherokee, Harrison, Lyon, Monona, O'Brien, Plymouth and 2 more | 95 min |
| Aug 5, 5:02 PM CDT | Mesoscale Discussion | SPC | Adair, Audubon, Buena Vista, Calhoun, Carroll, Cass and 11 more | 118 min |
| Aug 5, 7:53 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Carroll, Cherokee, Crawford, Harrison, Ida and 7 more | 2 hr |
| Aug 5, 10:17 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Calhoun, Carroll and 14 more | 58 min |
| Aug 6, 1:26 PM CDT | Mesoscale Discussion | SPC | Davis, Jefferson, Lee, Van Buren, Wapello | 3 hr |
| Aug 6, 6:01 PM CDT | Mesoscale Discussion | SPC | Des Moines, Henry, Lee | 119 min |
| Aug 11, 3:31 PM CDT | Mesoscale Discussion | SPC | Decatur, Fremont, Page, Ringgold, Taylor | 89 min |
| Aug 11, 4:00 PM CDT | Mesoscale Discussion | SPC | Allamakee, Howard, Mitchell, Winneshiek | 2 hr |
| Aug 11, 5:53 PM CDT | Mesoscale Discussion | SPC | Fremont, Page, Ringgold, Taylor | 2 hr |
| Aug 11, 6:42 PM CDT | Mesoscale Discussion | SPC | Allamakee, Bremer, Cerro Gordo, Chickasaw, Clayton, Emmet and 10 more | 63 min |
| Aug 11, 9:08 PM CDT | Mesoscale Discussion | SPC | Allamakee, Black Hawk, Bremer, Buchanan, Buena Vista, Butler and 23 more | 97 min |
| Aug 14, 2:01 PM CDT | Mesoscale Discussion | SPC | Chickasaw, Clayton, Clinton, Delaware, Dubuque, Fayette and 2 more | 119 min |
| Aug 16, 8:23 PM CDT | Mesoscale Discussion | SPC | Emmet, Winnebago | 97 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Shelby County4
- Adair County3
- Audubon County3
- Cass County3
- Fremont County3
- Harrison County3
- Page County3
- Ringgold County3
- Taylor County3
- Cherokee County3
- Monona County3
- Plymouth County3
- Sioux County3
- Woodbury County3
- Buena Vista County3
- Carroll County3
- Allamakee County3
- Howard County3
- Mitchell County3
- Winneshiek County3
- Chickasaw County3
- Clayton County3
- Fayette County3
- Adams County2
- Decatur County2
- Union County2
- O'Brien County2
- Calhoun County2
- Crawford County2
- Greene County2
- Guthrie County2
- Ida County2
- Sac County2
- Hamilton County2
- Webster County2
- Lee County2
- Bremer County2
- Cerro Gordo County2
- Emmet County2
- Floyd County2
40 more counties
- Hancock County2
- Kossuth County2
- Palo Alto County2
- Winnebago County2
- Worth County2
- Delaware County2
- Dubuque County2
- Clarke County1
- Mills County1
- Montgomery County1
- Pottawattamie County1
- Wayne County1
- Lyon County1
- Boone County1
- Dallas County1
- Jasper County1
- Madison County1
- Marshall County1
- Polk County1
- Story County1
- Warren County1
- Davis County1
- Jefferson County1
- Van Buren County1
- Wapello County1
- Des Moines County1
- Henry County1
- Black Hawk County1
- Buchanan County1
- Butler County1
- Clay County1
- Franklin County1
- Grundy County1
- Hardin County1
- Humboldt County1
- Pocahontas County1
- Wright County1
- Clinton County1
- Jackson County1
- Jones County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20222024
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.