Alert archive / Iowa / Mesoscale Discussions / 2015
Mesoscale Discussions in Iowa, May 2015
21 mesoscale discussions in May 2015. 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 May 2015. Tap one for its archive.
- Mesoscale Discussions
- 21
- Busiest day
- May 10, 20155 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 |
|---|---|---|---|---|
| May 3, 3:41 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Dickinson, Emmet, Hancock and 11 more | 2 hr |
| May 3, 3:57 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Carroll, Cass, Cherokee and 14 more | 2 hr |
| May 3, 7:32 PM CDT | Mesoscale Discussion | SPC | Audubon, Boone, Bremer, Butler, Calhoun, Carroll and 22 more | 58 min |
| May 4, 2:56 PM CDT | Mesoscale Discussion | SPC | Adams, Fremont, Montgomery, Page, Taylor | 2 hr |
| May 4, 6:30 PM CDT | Mesoscale Discussion | SPC | Decatur, Fremont, Page, Ringgold, Taylor | 90 min |
| May 6, 7:40 PM CDT | Mesoscale Discussion | SPC | Fremont, Mills, Montgomery, Page | 65 min |
| May 10, 10:24 AM CDT | Mesoscale Discussion | SPC | Audubon, Buena Vista, Calhoun, Carroll, Cherokee, Clay and 16 more | 3 hr |
| May 10, 11:52 AM CDT | Mesoscale Discussion | SPC | Adams, Decatur, Fremont, Page, Ringgold, Taylor | 2 hr |
| May 10, 2:43 PM CDT | Mesoscale Discussion | SPC | Adams, Audubon, Buena Vista, Cass, Cherokee, Crawford and 11 more | 92 min |
| May 10, 3:13 PM CDT | Mesoscale Discussion | SPC | Page | 92 min |
| May 10, 5:17 PM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Des Moines, Henry, Iowa, Jackson and 9 more | 88 min |
| May 10, 9:19 PM CDT | Mesoscale Discussion | SPC | Appanoose, Clarke, Dallas, Davis, Decatur, Lucas and 9 more | 56 min |
| May 15, 2:13 PM CDT | Mesoscale Discussion | SPC | Adams, Appanoose, Davis, Decatur, Page, Ringgold and 2 more | 2 hr |
| May 16, 2:10 PM CDT | Mesoscale Discussion | SPC | Lyon, O'Brien, Osceola, Plymouth, Sioux | 95 min |
| May 16, 3:34 PM CDT | Mesoscale Discussion | SPC | Crawford, Fremont, Harrison, Mills, Monona, Montgomery and 5 more | 86 min |
| May 17, 12:51 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Calhoun, Cerro Gordo, Clay, Crawford, Dickinson and 17 more | 114 min |
| May 24, 3:34 PM CDT | Mesoscale Discussion | SPC | Benton, Cedar, Clinton, Davis, Des Moines, Henry and 17 more | 56 min |
| May 24, 6:41 PM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Des Moines, Henry, Jackson, Lee and 3 more | 94 min |
| May 25, 5:08 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Calhoun, Carroll, Cass and 18 more | 67 min |
| May 25, 6:06 PM CDT | Mesoscale Discussion | SPC | Allamakee, Buena Vista, Cerro Gordo, Cherokee, Chickasaw, Clay and 17 more | 114 min |
| May 25, 8:18 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Carroll, Cass and 28 more | 87 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Page County10
- Crawford County8
- Fremont County8
- Plymouth County7
- Adams County7
- Shelby County7
- Ida County6
- Osceola County6
- Audubon County6
- Montgomery County6
- Sac County6
- Taylor County6
- Buena Vista County5
- Cherokee County5
- O'Brien County5
- Sioux County5
- Carroll County5
- Harrison County5
- Mills County5
- Monona County5
- Pottawattamie County5
- Woodbury County5
- Decatur County5
- Ringgold County5
- Clay County4
- Dickinson County4
- Hancock County4
- Humboldt County4
- Palo Alto County4
- Worth County4
- Cass County4
- Guthrie County4
- Calhoun County4
- Lyon County4
- Emmet County3
- Kossuth County3
- Pocahontas County3
- Winnebago County3
- Adair County3
- Cerro Gordo County3
54 more counties
- Floyd County3
- Greene County3
- Hamilton County3
- Mitchell County3
- Cedar County3
- Clinton County3
- Des Moines County3
- Henry County3
- Jackson County3
- Lee County3
- Louisa County3
- Muscatine County3
- Scott County3
- Dallas County3
- Davis County3
- Wayne County3
- Boone County2
- Chickasaw County2
- Franklin County2
- Grundy County2
- Hardin County2
- Howard County2
- Story County2
- Webster County2
- Winneshiek County2
- Wright County2
- Iowa County2
- Johnson County2
- Jones County2
- Keokuk County2
- Linn County2
- Washington County2
- Appanoose County2
- Clarke County2
- Lucas County2
- Madison County2
- Mahaska County2
- Marion County2
- Polk County2
- Van Buren County2
- Wapello County2
- Warren County2
- Tama County2
- Union County2
- Bremer County1
- Butler County1
- Fayette County1
- Monroe County1
- Benton County1
- Jefferson County1
- Poweshiek County1
- Allamakee County1
- Jasper County1
- Marshall County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20142016
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.