Alert archive / Iowa / Mesoscale Discussions / 2011
Mesoscale Discussions in Iowa, July 2011
36 mesoscale discussions in July 2011. 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 July 2011. Tap one for its archive.
- Mesoscale Discussions
- 36
- Busiest day
- July 11, 20116 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 1, 12:59 PM CDT | Mesoscale Discussion | SPC | Dickinson, Lyon, O'Brien, Osceola, Plymouth, Sioux | 61 min |
| Jul 1, 7:35 PM CDT | Mesoscale Discussion | SPC | Allamakee, Boone, Bremer, Butler, Calhoun, Carroll and 22 more | 55 min |
| Jul 1, 10:04 PM CDT | Mesoscale Discussion | SPC | Allamakee, Black Hawk, Bremer, Butler, Cerro Gordo, Chickasaw and 11 more | 116 min |
| Jul 1, 11:38 PM CDT | Mesoscale Discussion | SPC | Allamakee, Black Hawk, Bremer, Buchanan, Butler, Chickasaw and 5 more | 97 min |
| Jul 5, 2:49 PM CDT | Mesoscale Discussion | SPC | Fremont, Mills, Montgomery, Page, Pottawattamie | 86 min |
| Jul 5, 3:32 PM CDT | Mesoscale Discussion | SPC | Adair, Audubon, Boone, Buena Vista, Calhoun, Carroll and 23 more | 88 min |
| Jul 5, 7:07 PM CDT | Mesoscale Discussion | SPC | Fremont, Mills, Page | 113 min |
| Jul 5, 7:49 PM CDT | Mesoscale Discussion | SPC | Adair, Appanoose, Carroll, Clarke, Dallas, Decatur and 11 more | 56 min |
| Jul 10, 1:03 AM CDT | Mesoscale Discussion | SPC | Clay, Dickinson, Emmet, Kossuth, Lyon, O'Brien and 3 more | 117 min |
| Jul 10, 2:45 PM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Des Moines, Henry, Jackson, Jefferson and 9 more | 2 hr |
| Jul 10, 7:51 PM CDT | Mesoscale Discussion | SPC | Allamakee, Howard, Mitchell, Winneshiek | 84 min |
| Jul 10, 9:53 PM CDT | Mesoscale Discussion | SPC | Allamakee, Cerro Gordo, Chickasaw, Dickinson, Emmet, Floyd and 9 more | 67 min |
| Jul 10, 10:27 PM CDT | Mesoscale Discussion | SPC | Cherokee, Harrison, Monona, Plymouth, Sioux, Woodbury | 63 min |
| Jul 10, 11:45 PM CDT | Mesoscale Discussion | SPC | Allamakee, Bremer, Cerro Gordo, Chickasaw, Clayton, Delaware and 8 more | 90 min |
| Jul 11, 2:36 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Benton, Black Hawk, Boone, Bremer and 52 more | 114 min |
| Jul 11, 5:07 AM CDT | Mesoscale Discussion | SPC | Benton, Black Hawk, Buchanan, Cedar, Clayton, Clinton and 15 more | 113 min |
| Jul 12, 2:09 AM CDT | Mesoscale Discussion | SPC | Audubon, Buena Vista, Carroll, Cass, Cherokee, Crawford and 11 more | 66 min |
| Jul 12, 1:00 PM CDT | Mesoscale Discussion | SPC | Des Moines, Lee | 2 hr |
| Jul 15, 11:20 AM CDT | Mesoscale Discussion | SPC | Howard, Mitchell, Worth | 85 min |
| Jul 15, 2:21 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 38 more | 114 min |
| Jul 19, 1:04 PM CDT | Mesoscale Discussion | SPC | Allamakee, Clayton, Clinton, Delaware, Dubuque, Fayette and 5 more | 86 min |
| Jul 21, 2:14 AM CDT | Mesoscale Discussion | SPC | Monona | 2 hr |
| Jul 21, 3:45 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Cass, Clarke, Dallas, Fremont and 15 more | 90 min |
| Jul 21, 7:09 PM CDT | Mesoscale Discussion | SPC | Adams, Appanoose, Clarke, Davis, Decatur, Des Moines and 18 more | 96 min |
| Jul 22, 3:00 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 61 more | 90 min |
| Jul 22, 7:38 PM CDT | Mesoscale Discussion | SPC | Benton, Black Hawk, Bremer, Buchanan, Butler, Cedar and 19 more | 97 min |
| Jul 23, 1:10 PM CDT | Mesoscale Discussion | SPC | Allamakee, Winneshiek | 65 min |
| Jul 23, 1:52 PM CDT | Mesoscale Discussion | SPC | Clay, Dickinson, Emmet, Hancock, Kossuth, Lyon and 6 more | 83 min |
| Jul 23, 4:57 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Cass, Clarke, Dallas and 26 more | 93 min |
| Jul 23, 8:40 PM CDT | Mesoscale Discussion | SPC | Cerro Gordo, Dickinson, Emmet, Floyd, Hancock, Howard and 6 more | 95 min |
| Jul 27, 2:49 AM CDT | Mesoscale Discussion | SPC | Dickinson, Emmet, Lyon, Osceola | 56 min |
| Jul 27, 6:54 PM CDT | Mesoscale Discussion | SPC | Clayton, Clinton, Delaware, Dubuque, Jackson, Jones | 66 min |
| Jul 27, 9:43 PM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Delaware, Dubuque, Jackson, Jones | 62 min |
| Jul 28, 12:36 AM CDT | Mesoscale Discussion | SPC | Buchanan, Clinton, Delaware, Dubuque, Jackson, Jones and 1 more | 84 min |
| Jul 28, 2:47 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Calhoun, Carroll, Cerro Gordo, Cherokee, Crawford and 18 more | 118 min |
| Jul 28, 5:40 PM CDT | Mesoscale Discussion | SPC | Appanoose, Cedar, Clinton, Davis, Decatur, Des Moines and 14 more | 95 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Howard County12
- Mitchell County11
- Winneshiek County11
- Worth County11
- Floyd County10
- Dickinson County9
- Cerro Gordo County9
- Chickasaw County9
- Hancock County9
- Kossuth County9
- Palo Alto County9
- Winnebago County9
- Osceola County8
- Allamakee County8
- Bremer County8
- Fayette County8
- Clinton County8
- Delaware County8
- O'Brien County7
- Sioux County7
- Butler County7
- Carroll County7
- Franklin County7
- Grundy County7
- Hardin County7
- Black Hawk County7
- Clayton County7
- Mills County7
- Adair County7
- Dallas County7
- Madison County7
- Mahaska County7
- Emmet County7
- Jackson County7
- Jones County7
- Lyon County6
- Calhoun County6
- Hamilton County6
- Humboldt County6
- Pocahontas County6
59 more counties
- Sac County6
- Webster County6
- Wright County6
- Fremont County6
- Cass County6
- Guthrie County6
- Monona County6
- Clarke County6
- Lucas County6
- Marion County6
- Polk County6
- Union County6
- Warren County6
- Keokuk County6
- Adams County6
- Dubuque County6
- Plymouth County5
- Boone County5
- Greene County5
- Buchanan County5
- Montgomery County5
- Page County5
- Pottawattamie County5
- Buena Vista County5
- Cherokee County5
- Clay County5
- Crawford County5
- Woodbury County5
- Monroe County5
- Ringgold County5
- Cedar County5
- Henry County5
- Muscatine County5
- Scott County5
- Washington County5
- Harrison County5
- Tama County5
- Audubon County4
- Ida County4
- Shelby County4
- Appanoose County4
- Decatur County4
- Wayne County4
- Des Moines County4
- Jefferson County4
- Lee County4
- Louisa County4
- Van Buren County4
- Jasper County4
- Linn County4
- Marshall County4
- Poweshiek County4
- Wapello County4
- Johnson County3
- Benton County3
- Iowa County3
- Story County3
- Taylor County3
- Davis County3
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.