Alert archive / Iowa / Mesoscale Discussions / 2016
Mesoscale Discussions in Iowa, September 2016
20 mesoscale discussions in September 2016. 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 September 2016. Tap one for its archive.
- Mesoscale Discussions
- 20
- Busiest day
- September 21, 20165 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 |
|---|---|---|---|---|
| Sep 5, 1:10 AM CDT | Mesoscale Discussion | SPC | Lyon, O'Brien, Osceola, Plymouth, Sioux | 2 hr |
| Sep 6, 2:22 PM CDT | Mesoscale Discussion | SPC | Howard, Mitchell | 2 hr |
| Sep 6, 3:47 PM CDT | Mesoscale Discussion | SPC | Audubon, Bremer, Buena Vista, Butler, Calhoun, Carroll and 26 more | 2 hr |
| Sep 6, 8:16 PM CDT | Mesoscale Discussion | SPC | Allamakee, Winneshiek | 89 min |
| Sep 6, 10:45 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Calhoun, Carroll, Cerro Gordo, Cherokee, Crawford and 15 more | 60 min |
| Sep 7, 1:00 PM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Des Moines, Dubuque, Henry, Jackson and 9 more | 3 hr |
| Sep 7, 2:47 PM CDT | Mesoscale Discussion | SPC | Adams, Appanoose, Clarke, Decatur, Fremont, Mills and 6 more | 2 hr |
| Sep 9, 10:42 AM CDT | Mesoscale Discussion | SPC | Audubon, Carroll, Cass, Crawford, Fremont, Guthrie and 8 more | 93 min |
| Sep 12, 5:31 PM CDT | Mesoscale Discussion | SPC | Adams, Audubon, Cass, Fremont, Harrison, Mills and 4 more | 119 min |
| Sep 15, 1:58 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Dickinson, Emmet, Ida and 7 more | 3 hr |
| Sep 15, 3:51 PM CDT | Mesoscale Discussion | SPC | Audubon, Carroll, Crawford, Harrison, Ida, Monona and 4 more | 114 min |
| Sep 15, 7:17 PM CDT | Mesoscale Discussion | SPC | Calhoun, Carroll, Crawford, Harrison, Ida, Monona and 2 more | 88 min |
| Sep 19, 2:02 PM CDT | Mesoscale Discussion | SPC | Appanoose, Benton, Buchanan, Cedar, Clarke, Clinton and 26 more | 58 min |
| Sep 19, 5:07 PM CDT | Mesoscale Discussion | SPC | Allamakee, Appanoose, Benton, Black Hawk, Buchanan, Cedar and 37 more | 113 min |
| Sep 19, 5:47 PM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Wayne | 118 min |
| Sep 20, 8:01 PM CDT | Mesoscale Discussion | SPC | Allamakee, Howard, Mitchell, Winneshiek, Worth | 119 min |
| Sep 20, 11:26 PM CDT | Mesoscale Discussion | SPC | Allamakee, Clayton, Howard, Winneshiek | 2 hr |
| Sep 21, 1:33 AM CDT | Mesoscale Discussion | SPC | Allamakee, Howard, Winneshiek | 117 min |
| Sep 21, 2:00 PM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Boone, Bremer, Buchanan and 56 more | 2 hr |
| Sep 21, 6:01 PM CDT | Mesoscale Discussion | SPC | Allamakee, Bremer, Butler, Cerro Gordo, Chickasaw, Clayton and 10 more | 2 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Howard County7
- Allamakee County7
- Harrison County6
- Ida County6
- Winneshiek County6
- Mitchell County5
- Carroll County5
- Crawford County5
- Kossuth County5
- Monona County5
- Woodbury County5
- Worth County5
- Audubon County4
- Cerro Gordo County4
- Fayette County4
- Hancock County4
- Palo Alto County4
- Pocahontas County4
- Sac County4
- Shelby County4
- Winnebago County4
- Cedar County4
- Clinton County4
- Dubuque County4
- Henry County4
- Jackson County4
- Jefferson County4
- Johnson County4
- Jones County4
- Louisa County4
- Muscatine County4
- Scott County4
- Van Buren County4
- Washington County4
- Appanoose County4
- Wayne County4
- Davis County4
- Clayton County4
- Plymouth County3
- Bremer County3
57 more counties
- Buena Vista County3
- Butler County3
- Calhoun County3
- Chickasaw County3
- Floyd County3
- Humboldt County3
- Webster County3
- Wright County3
- Des Moines County3
- Lee County3
- Clarke County3
- Fremont County3
- Mills County3
- Montgomery County3
- Page County3
- Pottawattamie County3
- Emmet County3
- Benton County3
- Buchanan County3
- Delaware County3
- Iowa County3
- Jasper County3
- Keokuk County3
- Linn County3
- Mahaska County3
- Marion County3
- Monroe County3
- Poweshiek County3
- Tama County3
- Wapello County3
- O'Brien County2
- Osceola County2
- Sioux County2
- Franklin County2
- Hamilton County2
- Hardin County2
- Cherokee County2
- Adams County2
- Decatur County2
- Ringgold County2
- Cass County2
- Clay County2
- Dickinson County2
- Lucas County2
- Warren County2
- Black Hawk County2
- Marshall County2
- Polk County2
- Lyon County1
- Greene County1
- Taylor County1
- Union County1
- Guthrie County1
- Madison County1
- Boone County1
- Grundy County1
- Story County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20152017
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.