Alert archive / Iowa / Mesoscale Discussions / 2004
Mesoscale Discussions in Iowa, August 2004
53 mesoscale discussions in August 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 August 2004. Tap one for its archive.
- Mesoscale Discussions
- 53
- Busiest day
- August 3, 200411 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 31, 8:19 PM CDT | Mesoscale Discussion | SPC | Dickinson, Emmet, Lyon, Osceola, Winnebago | 56 min |
| Jul 31, 11:41 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Calhoun, Cerro Gordo, Cherokee, Chickasaw, Clay and 19 more | 64 min |
| Aug 1, 1:59 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Carroll, Cass and 24 more | 91 min |
| Aug 1, 5:56 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Boone, Bremer and 59 more | 94 min |
| Aug 1, 12:11 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Calhoun, Carroll, Cherokee, Crawford, Greene and 3 more | 64 min |
| Aug 1, 1:48 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Calhoun, Carroll, Cherokee, Clay, Crawford and 17 more | 117 min |
| Aug 1, 2:17 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Cass, Clarke, Dallas and 15 more | 58 min |
| Aug 2, 3:02 AM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Ida, Lyon, O'Brien, Osceola and 4 more | 58 min |
| Aug 2, 4:56 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Benton, Black Hawk and 50 more | 94 min |
| Aug 3, 2:02 AM CDT | Mesoscale Discussion | SPC | Benton, Black Hawk, Boone, Buena Vista, Butler, Calhoun and 30 more | 118 min |
| Aug 3, 7:21 AM CDT | Mesoscale Discussion | SPC | Lyon | 54 min |
| Aug 3, 10:48 AM CDT | Mesoscale Discussion | SPC | Allamakee, Black Hawk, Bremer, Buchanan, Buena Vista, Butler and 32 more | 87 min |
| Aug 3, 1:16 PM CDT | Mesoscale Discussion | SPC | Benton, Black Hawk, Boone, Bremer, Buchanan, Buena Vista and 46 more | 89 min |
| Aug 3, 3:00 PM CDT | Mesoscale Discussion | SPC | Adair, Audubon, Carroll, Cass, Crawford, Greene and 8 more | 2 hr |
| Aug 3, 3:55 PM CDT | Mesoscale Discussion | SPC | Adair, Appanoose, Benton, Black Hawk, Boone, Buchanan and 43 more | 95 min |
| Aug 3, 4:52 PM CDT | Mesoscale Discussion | SPC | Adams, Audubon, Cass, Fremont, Harrison, Mills and 5 more | 53 min |
| Aug 3, 5:07 PM CDT | Mesoscale Discussion | SPC | Allamakee, Clayton, Fayette, Winneshiek | 53 min |
| Aug 3, 5:39 PM CDT | Mesoscale Discussion | SPC | Appanoose, Benton, Black Hawk, Buchanan, Cedar, Clarke and 32 more | 66 min |
| Aug 3, 6:34 PM CDT | Mesoscale Discussion | SPC | Appanoose, Benton, Black Hawk, Buchanan, Cedar, Clinton and 28 more | 86 min |
| Aug 3, 6:45 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Cass, Fremont, Guthrie and 9 more | 90 min |
| Aug 3, 8:19 PM CDT | Mesoscale Discussion | SPC | Appanoose, Benton, Boone, Cedar, Clarke, Clinton and 33 more | 56 min |
| Aug 3, 9:16 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Cass, Fremont, Guthrie and 9 more | 59 min |
| Aug 3, 11:34 PM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Lee | 86 min |
| Aug 4, 1:42 AM CDT | Mesoscale Discussion | SPC | Adams, Appanoose, Clarke, Davis, Decatur, Des Moines and 17 more | 2 hr |
| Aug 8, 12:17 PM CDT | Mesoscale Discussion | SPC | Cerro Gordo, Clay, Dickinson, Emmet, Floyd, Franklin and 10 more | 58 min |
| Aug 8, 1:05 PM CDT | Mesoscale Discussion | SPC | Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie | 55 min |
| Aug 15, 5:01 PM CDT | Mesoscale Discussion | SPC | Dickinson, Lyon, O'Brien, Osceola, Plymouth, Sioux | 119 min |
| Aug 15, 7:14 PM CDT | Mesoscale Discussion | SPC | Dickinson, Lyon, Osceola, Sioux | 2 hr |
| Aug 16, 4:03 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Crawford, Dickinson, Harrison and 9 more | 57 min |
| Aug 16, 6:49 PM CDT | Mesoscale Discussion | SPC | Boone, Buena Vista, Butler, Calhoun, Carroll, Dallas and 19 more | 116 min |
| Aug 16, 8:54 PM CDT | Mesoscale Discussion | SPC | Audubon, Boone, Calhoun, Carroll, Crawford, Dallas and 30 more | 2 hr |
| Aug 17, 12:57 PM CDT | Mesoscale Discussion | SPC | Clinton, Davis, Des Moines, Henry, Lee, Louisa and 3 more | 63 min |
| Aug 17, 3:59 PM CDT | Mesoscale Discussion | SPC | Des Moines, Henry, Lee, Van Buren | 61 min |
| Aug 18, 12:27 PM CDT | Mesoscale Discussion | SPC | Allamakee, Howard, Winneshiek | 63 min |
| Aug 18, 3:46 PM CDT | Mesoscale Discussion | SPC | Allamakee, Bremer, Butler, Chickasaw, Clayton, Fayette and 3 more | 59 min |
| Aug 18, 4:17 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Cass, Clarke, Dallas and 31 more | 118 min |
| Aug 18, 5:17 PM CDT | Mesoscale Discussion | SPC | Lee | 88 min |
| Aug 18, 5:52 PM CDT | Mesoscale Discussion | SPC | Clayton, Fayette | 113 min |
| Aug 18, 7:26 PM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Des Moines, Henry, Jefferson, Lee and 2 more | 2 hr |
| Aug 22, 5:02 PM CDT | Mesoscale Discussion | SPC | Cherokee, Plymouth, Woodbury | 118 min |
| Aug 23, 2:58 PM CDT | Mesoscale Discussion | SPC | Audubon, Black Hawk, Boone, Bremer, Buena Vista, Butler and 47 more | 2 hr |
| Aug 23, 5:30 PM CDT | Mesoscale Discussion | SPC | Allamakee, Chickasaw, Dickinson, Emmet, Floyd, Howard and 7 more | 2 hr |
| Aug 24, 3:02 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Cass, Clarke, Decatur, Fremont and 10 more | 118 min |
| Aug 25, 9:24 AM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Des Moines, Henry, Jefferson, Lee and 2 more | 2 hr |
| Aug 25, 1:22 PM CDT | Mesoscale Discussion | SPC | Clinton, Jackson, Scott | 113 min |
| Aug 25, 1:31 PM CDT | Mesoscale Discussion | SPC | Lyon, O'Brien, Osceola, Sioux | 119 min |
| Aug 25, 9:57 PM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Des Moines, Henry, Jefferson, Lee and 2 more | 93 min |
| Aug 26, 2:29 PM CDT | Mesoscale Discussion | SPC | Allamakee, Audubon, Black Hawk, Boone, Bremer, Buchanan and 39 more | 2 hr |
| Aug 26, 7:45 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Allamakee, Audubon, Benton, Black Hawk and 56 more | 90 min |
| Aug 26, 9:13 PM CDT | Mesoscale Discussion | SPC | Allamakee, Appanoose, Benton, Black Hawk, Bremer, Buchanan and 39 more | 62 min |
| Aug 27, 1:49 AM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Des Moines, Henry, Lee, Louisa and 1 more | 56 min |
| Aug 27, 4:10 PM CDT | Mesoscale Discussion | SPC | Appanoose, Cedar, Clarke, Clinton, Davis, Decatur and 21 more | 2 hr |
| Aug 27, 8:31 PM CDT | Mesoscale Discussion | SPC | Appanoose | 59 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Davis County17
- Appanoose County16
- Van Buren County16
- Guthrie County15
- Marshall County15
- Henry County15
- Jasper County14
- Lucas County14
- Poweshiek County14
- Tama County14
- Wayne County14
- Dickinson County13
- Osceola County13
- Calhoun County13
- Sac County13
- Cass County13
- Clarke County13
- Dallas County13
- Greene County13
- Mahaska County13
- Monroe County13
- Polk County13
- Story County13
- Warren County13
- Decatur County13
- Jefferson County13
- Des Moines County13
- Louisa County13
- Lyon County12
- Buena Vista County12
- O'Brien County12
- Webster County12
- Audubon County12
- Boone County12
- Carroll County12
- Hamilton County12
- Marion County12
- Montgomery County12
- Page County12
- Taylor County12
59 more counties
- Union County12
- Wapello County12
- Grundy County12
- Iowa County12
- Lee County12
- Cherokee County11
- Floyd County11
- Franklin County11
- Humboldt County11
- Pocahontas County11
- Wright County11
- Adair County11
- Adams County11
- Hardin County11
- Madison County11
- Ringgold County11
- Shelby County11
- Ida County11
- Black Hawk County11
- Keokuk County11
- Emmet County10
- Kossuth County10
- Crawford County10
- Butler County10
- Fremont County10
- Pottawattamie County10
- Sioux County10
- Washington County10
- Winnebago County9
- Cerro Gordo County9
- Clay County9
- Hancock County9
- Howard County9
- Mitchell County9
- Palo Alto County9
- Plymouth County9
- Winneshiek County9
- Worth County9
- Bremer County9
- Mills County9
- Woodbury County9
- Harrison County9
- Benton County9
- Buchanan County9
- Johnson County9
- Muscatine County9
- Chickasaw County8
- Linn County8
- Allamakee County8
- Delaware County8
- Fayette County8
- Clinton County8
- Scott County8
- Monona County7
- Cedar County7
- Clayton County7
- Jones County7
- Dubuque County6
- Jackson County6
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.