Alert archive / Iowa / Mesoscale Discussions / 2003
Mesoscale Discussions in Iowa, May 2003
30 mesoscale discussions in May 2003. 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 2003. Tap one for its archive.
- Mesoscale Discussions
- 30
- Busiest day
- May 4, 20037 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 |
|---|---|---|---|---|
| Apr 30, 7:31 PM CDT | Mesoscale Discussion | SPC | Appanoose, Cedar, Clarke, Clinton, Davis, Decatur and 22 more | 119 min |
| Apr 30, 10:31 PM CDT | Mesoscale Discussion | SPC | Appanoose, Cedar, Clarke, Clinton, Davis, Decatur and 22 more | 89 min |
| May 3, 11:46 PM CDT | Mesoscale Discussion | SPC | Adams, Cass, Fremont, Harrison, Mills, Monona and 5 more | 59 min |
| May 4, 2:58 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Boone, Carroll and 37 more | 92 min |
| May 4, 7:43 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Cass, Clarke, Davis and 15 more | 2 hr |
| May 4, 9:48 AM CDT | Mesoscale Discussion | SPC | Audubon, Buena Vista, Carroll, Cass, Cherokee, Clay and 17 more | 117 min |
| May 4, 12:14 PM CDT | Mesoscale Discussion | SPC | Fremont, Mills, Montgomery, Page, Pottawattamie, Taylor | 2 hr |
| May 4, 2:22 PM CDT | Mesoscale Discussion | SPC | Fremont, Mills, Montgomery, Page, Pottawattamie, Taylor | 113 min |
| May 4, 3:56 PM CDT | Mesoscale Discussion | SPC | Adair, Appanoose, Audubon, Boone, Carroll, Cass and 22 more | 2 hr |
| May 4, 7:39 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Clarke, Dallas, Decatur and 14 more | 96 min |
| May 4, 8:05 PM CDT | Mesoscale Discussion | SPC | Davis, Des Moines, Henry, Jefferson, Lee, Louisa and 4 more | 85 min |
| May 8, 3:51 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Cass, Clarke, Decatur and 13 more | 3 hr |
| May 8, 7:50 AM CDT | Mesoscale Discussion | SPC | Adams, Appanoose, Clarke, Davis, Decatur, Fremont and 7 more | 85 min |
| May 8, 7:55 AM CDT | Mesoscale Discussion | SPC | Adams, Appanoose, Clarke, Davis, Decatur, Fremont and 7 more | 95 min |
| May 8, 4:18 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Carroll, Cass, Crawford and 11 more | 57 min |
| May 8, 9:27 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Benton, Black Hawk and 53 more | 93 min |
| May 8, 11:50 PM CDT | Mesoscale Discussion | SPC | Appanoose, Benton, Black Hawk, Buchanan, Davis, Des Moines and 24 more | 55 min |
| May 10, 5:43 AM CDT | Mesoscale Discussion | SPC | Lee | 92 min |
| May 10, 10:54 AM CDT | Mesoscale Discussion | SPC | Des Moines, Henry, Lee, Louisa, Van Buren | 66 min |
| May 10, 3:17 PM CDT | Mesoscale Discussion | SPC | Appanoose, Benton, Buchanan, Cedar, Clarke, Clinton and 26 more | 58 min |
| May 10, 5:57 PM CDT | Mesoscale Discussion | SPC | Allamakee, Clayton, Fayette | 93 min |
| May 10, 8:18 PM CDT | Mesoscale Discussion | SPC | Cedar, Clayton, Clinton, Delaware, Des Moines, Dubuque and 8 more | 117 min |
| May 13, 1:13 PM CDT | Mesoscale Discussion | SPC | Harrison | 92 min |
| May 13, 8:38 PM CDT | Mesoscale Discussion | SPC | Fremont, Page | 2 hr |
| May 14, 12:36 PM CDT | Mesoscale Discussion | SPC | Des Moines, Henry, Johnson, Lee, Louisa, Muscatine and 1 more | 84 min |
| May 14, 12:40 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Cass, Clarke and 22 more | 95 min |
| May 14, 3:23 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 33 more | 97 min |
| May 30, 4:32 AM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 40 more | 58 min |
| May 30, 2:06 PM CDT | Mesoscale Discussion | SPC | Benton, Boone, Carroll, Cedar, Clinton, Crawford and 13 more | 2 hr |
| May 30, 6:55 PM CDT | Mesoscale Discussion | SPC | Clinton, Jackson, Scott | 95 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Page County15
- Clarke County14
- Taylor County14
- Union County14
- Davis County13
- Montgomery County13
- Appanoose County12
- Decatur County12
- Lucas County12
- Marion County12
- Monroe County12
- Ringgold County12
- Wayne County12
- Fremont County12
- Des Moines County11
- Henry County11
- Louisa County11
- Adams County11
- Mills County11
- Johnson County10
- Mahaska County10
- Muscatine County10
- Van Buren County10
- Cass County10
- Pottawattamie County10
- Jasper County10
- Warren County10
- Jefferson County9
- Scott County9
- Wapello County9
- Washington County9
- Adair County9
- Madison County9
- Clinton County8
- Iowa County8
- Jackson County8
- Keokuk County8
- Harrison County8
- Audubon County8
- Guthrie County8
45 more counties
- Polk County8
- Poweshiek County8
- Lee County8
- Cedar County7
- Monona County7
- Shelby County7
- Carroll County6
- Dallas County6
- Story County6
- Linn County6
- Boone County5
- Crawford County5
- Greene County5
- Benton County5
- Jones County5
- Tama County5
- Buchanan County4
- Marshall County4
- Woodbury County3
- Black Hawk County3
- Delaware County3
- Dubuque County3
- Grundy County3
- Clayton County3
- Ida County2
- Sac County2
- Hardin County2
- Allamakee County2
- Fayette County2
- Buena Vista County1
- Cherokee County1
- Clay County1
- Dickinson County1
- Lyon County1
- O'Brien County1
- Osceola County1
- Plymouth County1
- Sioux County1
- Calhoun County1
- Hamilton County1
- Webster County1
- Bremer County1
- Butler County1
- Chickasaw County1
- Winneshiek County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20022004
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.