Alert archive / Iowa / Mesoscale Discussions / 2004
Mesoscale Discussions in Iowa, July 2004
32 mesoscale discussions in July 2004. 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 2004. Tap one for its archive.
- Mesoscale Discussions
- 32
- Busiest day
- July 13, 20046 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 5, 1:16 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Buena Vista, Calhoun and 25 more | 89 min |
| Jul 5, 4:45 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Boone, Buena Vista and 30 more | 2 hr |
| Jul 5, 3:00 PM CDT | Mesoscale Discussion | SPC | Appanoose, Clarke, Dallas, Davis, Decatur, Des Moines and 22 more | 60 min |
| Jul 5, 6:30 PM CDT | Mesoscale Discussion | SPC | Benton, Black Hawk, Bremer, Buchanan, Butler, Cedar and 40 more | 60 min |
| Jul 5, 9:29 PM CDT | Mesoscale Discussion | SPC | Allamakee, Buchanan, Cedar, Chickasaw, Clayton, Clinton and 12 more | 61 min |
| Jul 9, 4:26 PM CDT | Mesoscale Discussion | SPC | Des Moines, Lee, Louisa, Muscatine | 94 min |
| Jul 10, 5:05 PM CDT | Mesoscale Discussion | SPC | Adams, Fremont, Mills, Montgomery, Page, Taylor | 85 min |
| Jul 11, 10:14 AM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Des Moines, Henry, Jackson, Jefferson and 8 more | 91 min |
| Jul 11, 10:33 AM CDT | Mesoscale Discussion | SPC | Adams, Audubon, Cass, Fremont, Harrison, Mills and 6 more | 117 min |
| Jul 11, 2:04 PM CDT | Mesoscale Discussion | SPC | Adams, Audubon, Cass, Fremont, Harrison, Mills and 6 more | 116 min |
| Jul 12, 9:19 PM CDT | Mesoscale Discussion | SPC | Clay, Dickinson, Emmet, Hancock, Kossuth, Lyon and 5 more | 116 min |
| Jul 12, 11:19 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Cass, Decatur, Fremont, Mills and 6 more | 116 min |
| Jul 12, 11:52 PM CDT | Mesoscale Discussion | SPC | Cherokee, Dickinson, Lyon, O'Brien, Osceola, Plymouth and 1 more | 53 min |
| Jul 13, 4:21 AM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 22 more | 54 min |
| Jul 13, 10:32 AM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Delaware, Dubuque, Jackson, Johnson and 4 more | 118 min |
| Jul 13, 1:39 PM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Delaware, Dubuque, Jackson, Jones and 3 more | 66 min |
| Jul 15, 9:32 AM CDT | Mesoscale Discussion | SPC | Plymouth | 118 min |
| Jul 15, 11:34 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Cass, Decatur, Fremont and 10 more | 86 min |
| Jul 16, 10:51 AM CDT | Mesoscale Discussion | SPC | Cedar, Clayton, Clinton, Delaware, Dubuque, Jackson and 3 more | 2 hr |
| Jul 16, 2:45 PM CDT | Mesoscale Discussion | SPC | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 90 min |
| Jul 19, 12:26 PM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 36 more | 3 hr |
| Jul 19, 3:26 PM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Cedar and 22 more | 2 hr |
| Jul 20, 2:16 PM CDT | Mesoscale Discussion | SPC | Lyon, Monona, Plymouth, Sioux, Woodbury | 119 min |
| Jul 20, 5:35 PM CDT | Mesoscale Discussion | SPC | Clinton, Dubuque, Jackson, Jones, Scott | 55 min |
| Jul 20, 6:08 PM CDT | Mesoscale Discussion | SPC | Clinton, Dubuque, Jackson, Jones, Scott | 2 hr |
| Jul 20, 11:08 PM CDT | Mesoscale Discussion | SPC | Howard, Mitchell, Winnebago, Worth | 97 min |
| Jul 21, 9:03 AM CDT | Mesoscale Discussion | SPC | Benton, Cedar, Clinton, Des Moines, Henry, Iowa and 17 more | 117 min |
| Jul 21, 1:01 PM CDT | Mesoscale Discussion | SPC | Appanoose, Benton, Cedar, Clinton, Davis, Des Moines and 22 more | 89 min |
| Jul 21, 3:43 PM CDT | Mesoscale Discussion | SPC | Cherokee, Clay, Dickinson, Lyon, O'Brien, Osceola and 2 more | 92 min |
| Jul 21, 6:02 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Crawford, Dickinson, Emmet and 9 more | 118 min |
| Jul 31, 12:10 PM CDT | Mesoscale Discussion | SPC | Dickinson, Emmet, Osceola | 3 hr |
| Jul 31, 4:43 PM CDT | Mesoscale Discussion | SPC | Cherokee, Monona, O'Brien, Plymouth, Sioux, Woodbury | 62 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Scott County14
- Clinton County14
- Jackson County14
- Jones County14
- Muscatine County13
- Cedar County12
- Dubuque County11
- Johnson County10
- Linn County10
- Des Moines County9
- Louisa County9
- Delaware County9
- Iowa County8
- Washington County8
- Adams County7
- Mills County7
- Montgomery County7
- Page County7
- Plymouth County7
- Taylor County7
- Henry County7
- Jefferson County7
- Van Buren County7
- Benton County7
- Cass County6
- Fremont County6
- Monona County6
- Pottawattamie County6
- Keokuk County6
- Lee County6
- Buchanan County6
- Clayton County6
- Howard County6
- Sioux County6
- Audubon County5
- Cherokee County5
- Harrison County5
- Shelby County5
- Ringgold County5
- Poweshiek County5
59 more counties
- Chickasaw County5
- Fayette County5
- Dickinson County5
- Lyon County5
- O'Brien County5
- Osceola County5
- Adair County4
- Polk County4
- Union County4
- Woodbury County4
- Davis County4
- Decatur County4
- Marion County4
- Monroe County4
- Jasper County4
- Mahaska County4
- Wapello County4
- Black Hawk County4
- Bremer County4
- Mitchell County4
- Tama County4
- Worth County4
- Allamakee County4
- Winneshiek County4
- Winnebago County4
- Buena Vista County3
- Crawford County3
- Dallas County3
- Ida County3
- Madison County3
- Appanoose County3
- Warren County3
- Butler County3
- Cerro Gordo County3
- Floyd County3
- Franklin County3
- Grundy County3
- Hancock County3
- Marshall County3
- Clay County3
- Emmet County3
- Boone County2
- Calhoun County2
- Carroll County2
- Greene County2
- Guthrie County2
- Pocahontas County2
- Sac County2
- Webster County2
- Clarke County2
- Lucas County2
- Wayne County2
- Hamilton County2
- Hardin County2
- Story County2
- Wright County2
- Palo Alto County2
- Humboldt County1
- Kossuth County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20032005
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.