Alert archive / Iowa / Mesoscale Discussions / 2019
Mesoscale Discussions in Iowa, August 2019
20 mesoscale discussions in August 2019. 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 2019. Tap one for its archive.
- Mesoscale Discussions
- 20
- Busiest day
- August 18, 20196 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 5, 1:18 PM CDT | Mesoscale Discussion | SPC | Howard, Kossuth, Mitchell, Winnebago, Worth | 117 min |
| Aug 5, 2:43 PM CDT | Mesoscale Discussion | SPC | Boone, Buena Vista, Butler, Calhoun, Carroll, Cerro Gordo and 19 more | 2 hr |
| Aug 5, 6:14 PM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 22 more | 2 hr |
| Aug 9, 6:59 PM CDT | Mesoscale Discussion | SPC | Plymouth, Sioux | 2 hr |
| Aug 10, 3:56 PM CDT | Mesoscale Discussion | SPC | Audubon, Boone, Buena Vista, Calhoun, Carroll, Cerro Gordo and 20 more | 2 hr |
| Aug 12, 1:15 AM CDT | Mesoscale Discussion | SPC | Fremont | 90 min |
| Aug 12, 3:46 PM CDT | Mesoscale Discussion | SPC | Benton, Cedar, Clinton, Davis, Des Moines, Henry and 21 more | 89 min |
| Aug 15, 7:48 PM CDT | Mesoscale Discussion | SPC | Lyon, Osceola, Sioux | 117 min |
| Aug 17, 5:12 PM CDT | Mesoscale Discussion | SPC | Dickinson, Lyon, O'Brien, Osceola, Plymouth, Sioux | 2 hr |
| Aug 17, 8:26 PM CDT | Mesoscale Discussion | SPC | Cherokee, Dickinson, Lyon, O'Brien, Osceola, Plymouth and 1 more | 94 min |
| Aug 17, 10:32 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Calhoun, Cerro Gordo, Cherokee, Clay, Dickinson and 21 more | 88 min |
| Aug 18, 12:00 AM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Boone, Bremer, Buchanan and 44 more | 90 min |
| Aug 18, 2:45 AM CDT | Mesoscale Discussion | SPC | Appanoose, Clarke, Davis, Decatur, Jefferson, Lucas and 10 more | 2 hr |
| Aug 18, 5:44 AM CDT | Mesoscale Discussion | SPC | Clinton, Jackson, Scott | 91 min |
| Aug 18, 7:40 AM CDT | Mesoscale Discussion | SPC | Clinton, Scott | 2 hr |
| Aug 19, 11:05 PM CDT | Mesoscale Discussion | SPC | Audubon, Buena Vista, Calhoun, Carroll, Cherokee, Clay and 21 more | 115 min |
| Aug 20, 3:08 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Boone, Buena Vista and 55 more | 97 min |
| Aug 20, 5:43 AM CDT | Mesoscale Discussion | SPC | Appanoose, Benton, Buchanan, Cedar, Clinton, Davis and 24 more | 92 min |
| Aug 20, 9:04 AM CDT | Mesoscale Discussion | SPC | Clinton, Des Moines, Henry, Lee, Louisa, Muscatine and 2 more | 86 min |
| Aug 29, 10:55 AM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Des Moines, Henry, Jefferson, Lee and 3 more | 95 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Kossuth County8
- Sioux County8
- Humboldt County7
- Plymouth County7
- Dickinson County7
- Winnebago County6
- Worth County6
- Buena Vista County6
- Calhoun County6
- Cerro Gordo County6
- Franklin County6
- Hamilton County6
- Hancock County6
- Hardin County6
- Palo Alto County6
- Pocahontas County6
- Tama County6
- Webster County6
- Wright County6
- Lyon County6
- Osceola County6
- O'Brien County6
- Carroll County5
- Greene County5
- Ida County5
- Marshall County5
- Sac County5
- Clay County5
- Emmet County5
- Clinton County5
- Davis County5
- Monroe County5
- Scott County5
- Van Buren County5
- Wapello County5
- Cherokee County5
- Boone County4
- Butler County4
- Grundy County4
- Story County4
55 more counties
- Benton County4
- Des Moines County4
- Henry County4
- Jefferson County4
- Lee County4
- Mahaska County4
- Marion County4
- Woodbury County4
- Appanoose County4
- Howard County3
- Mitchell County3
- Floyd County3
- Buchanan County3
- Audubon County3
- Guthrie County3
- Jackson County3
- Louisa County3
- Muscatine County3
- Poweshiek County3
- Crawford County3
- Monona County3
- Shelby County3
- Decatur County3
- Lucas County3
- Wayne County3
- Allamakee County2
- Black Hawk County2
- Bremer County2
- Chickasaw County2
- Clayton County2
- Delaware County2
- Fayette County2
- Winneshiek County2
- Dallas County2
- Polk County2
- Cedar County2
- Iowa County2
- Jasper County2
- Johnson County2
- Jones County2
- Keokuk County2
- Linn County2
- Washington County2
- Harrison County2
- Clarke County2
- Madison County2
- Ringgold County2
- Union County2
- Warren County2
- Dubuque County1
- Fremont County1
- Adair County1
- Adams County1
- Cass County1
- Taylor County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20182020
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.