Alert archive / Iowa / 2004
Weather alerts in Iowa, July 2004
125 weather alerts in July 2004, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in July 2004. Tap one for its archive.
- Alerts
- 125
- Warnings
- 76
- Watches
- 17
- Advisories
- 0
- Busiest day
- July 13, 200439 alerts
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 3, 10:10 PM CDT | Severe Thunderstorm Watch | SPC | Fremont | 6 hr |
| Jul 4, 1:31 AM CDT | Severe Thunderstorm Warning | OAX | Shelby | 29 min |
| Jul 4, 1:40 AM CDT | Severe Thunderstorm Warning | DMX | Audubon, Cass | 50 min |
| Jul 4, 6:43 PM CDT | Severe Thunderstorm Warning | DMX | Hardin | 32 min |
| Jul 4, 6:47 PM CDT | Severe Thunderstorm Warning | DMX | Grundy | 43 min |
| Jul 4, 9:21 PM CDT | Severe Thunderstorm Warning | DMX | Jasper | 39 min |
| Jul 4, 11:05 PM CDT | Severe Thunderstorm Watch | SPC | Fremont, Mills | 5 hr |
| Jul 5, 1:16 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Buena Vista, Calhoun and 25 more | 89 min |
| Jul 5, 2:00 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Boone, Calhoun and 31 more | 5 hr |
| 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, 4:20 PM CDT | Tornado Watch | SPC | Allamakee, Appanoose, Benton, Black Hawk, Bremer, Buchanan and 51 more | 6 hr |
| Jul 5, 4:38 PM CDT | Flash Flood Warning | DVN | Buchanan | 3 hr |
| Jul 5, 4:39 PM CDT | Flash Flood Warning | ARX | Fayette | 4 hr |
| Jul 5, 5:10 PM CDT | Flash Flood Warning | FSD | Dickinson, Osceola | 110 min |
| Jul 5, 5:13 PM CDT | Tornado Warning | ARX | Fayette | 32 min |
| Jul 5, 5:52 PM CDT | Tornado Warning | ARX | Howard | 38 min |
| Jul 5, 6:30 PM CDT | Mesoscale Discussion | SPC | Benton, Black Hawk, Bremer, Buchanan, Butler, Cedar and 40 more | 60 min |
| Jul 5, 6:33 PM CDT | Tornado Warning | ARX | Fayette | 27 min |
| Jul 5, 6:54 PM CDT | Flash Flood Warning | DMX | Cerro Gordo | 4 hr |
| Jul 5, 7:25 PM CDT | Flash Flood Warning | ARX | Floyd, Mitchell | 3 hr |
| Jul 5, 7:42 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Louisa, Muscatine | 48 min |
| Jul 5, 7:57 PM CDT | Flash Flood Warning | DVN | Buchanan | 6 hr |
| Jul 5, 8:14 PM CDT | Severe Thunderstorm Warning | DVN | Scott | 46 min |
| Jul 5, 9:29 PM CDT | Mesoscale Discussion | SPC | Allamakee, Buchanan, Cedar, Chickasaw, Clayton, Clinton and 12 more | 61 min |
| Jul 9, 12:45 AM CDT | Severe Thunderstorm Watch | SPC | Fremont, Mills, Montgomery, Page | 4 hr |
| Jul 9, 3:19 AM CDT | Severe Thunderstorm Warning | DMX | Cass | 41 min |
| Jul 9, 5:19 AM CDT | Flash Flood Warning | DMX | Clarke | 4 hr |
| 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, 6:23 AM CDT | Severe Thunderstorm Warning | DMX | Dallas, Madison | 37 min |
| Jul 11, 7:47 AM CDT | Severe Thunderstorm Warning | DMX | Winnebago | 43 min |
| Jul 11, 10:14 AM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Des Moines, Henry, Jackson, Jefferson and 8 more | 91 min |
| Jul 11, 10:17 AM CDT | Severe Thunderstorm Warning | DMX | Story | 43 min |
| Jul 11, 10:33 AM CDT | Mesoscale Discussion | SPC | Adams, Audubon, Cass, Fremont, Harrison, Mills and 6 more | 117 min |
| Jul 11, 11:05 AM CDT | Severe Thunderstorm Warning | DMX | Davis | 40 min |
| Jul 11, 11:16 AM CDT | Severe Thunderstorm Warning | DMX | Tama | 29 min |
| Jul 11, 11:32 AM CDT | Severe Thunderstorm Warning | DMX | Poweshiek | 28 min |
| Jul 11, 11:37 AM CDT | Severe Thunderstorm Warning | DVN | Benton | 53 min |
| Jul 11, 11:40 AM CDT | Severe Thunderstorm Watch | SPC | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 14 more | 6 hr |
| Jul 11, 11:55 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Cass, Clarke, Decatur and 16 more | 6 hr |
| Jul 11, 12:10 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Madison | 50 min |
| Jul 11, 12:49 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Wapello | 41 min |
| Jul 11, 1:11 PM CDT | Severe Thunderstorm Warning | DMX | Madison | 19 min |
| Jul 11, 1:19 PM CDT | Severe Thunderstorm Warning | DMX | Warren | 56 min |
| Jul 11, 1:42 PM CDT | Severe Thunderstorm Warning | DVN | Jefferson, Van Buren | 48 min |
| Jul 11, 1:51 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Lucas | 54 min |
| Jul 11, 2:04 PM CDT | Mesoscale Discussion | SPC | Adams, Audubon, Cass, Fremont, Harrison, Mills and 6 more | 116 min |
| Jul 11, 2:39 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines | 66 min |
| Jul 11, 3:47 PM CDT | Severe Thunderstorm Warning | DMX | Decatur | 43 min |
| Jul 11, 5:28 PM CDT | Flash Flood Warning | DMX | Wayne | 6 hr |
| Jul 12, 6:20 PM CDT | Tornado Watch | SPC | Cherokee, Clay, Dickinson, Harrison, Ida, Lyon and 6 more | 7 hr |
| Jul 12, 9:15 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Boone, Buena Vista, Calhoun and 32 more | 7 hr |
| Jul 12, 9:19 PM CDT | Mesoscale Discussion | SPC | Clay, Dickinson, Emmet, Hancock, Kossuth, Lyon and 5 more | 116 min |
| Jul 12, 9:27 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 48 min |
| Jul 12, 9:36 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 39 min |
| Jul 12, 10:04 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 41 min |
| Jul 12, 10:18 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 27 min |
| Jul 12, 11:19 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Cass, Decatur, Fremont, Mills and 6 more | 116 min |
| Jul 12, 11:29 PM CDT | Severe Thunderstorm Warning | FSD | O'Brien | 31 min |
| Jul 12, 11:32 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 28 min |
| Jul 12, 11:35 PM CDT | Severe Thunderstorm Warning | DMX | Emmet, Palo Alto | 40 min |
| Jul 12, 11:52 PM CDT | Mesoscale Discussion | SPC | Cherokee, Dickinson, Lyon, O'Brien, Osceola, Plymouth and 1 more | 53 min |
| Jul 12, 11:59 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Plymouth | 31 min |
| Jul 13, 12:01 AM CDT | Severe Thunderstorm Warning | FSD | O'Brien | 29 min |
| Jul 13, 12:08 AM CDT | Severe Thunderstorm Warning | FSD | Sioux | 22 min |
| Jul 13, 12:15 AM CDT | Severe Thunderstorm Warning | DMX | Emmet | 45 min |
| Jul 13, 12:20 AM CDT | Tornado Warning | DMX | Emmet | 40 min |
| Jul 13, 12:23 AM CDT | Severe Thunderstorm Warning | FSD | Lyon | 37 min |
| Jul 13, 12:27 AM CDT | Severe Thunderstorm Warning | FSD | O'Brien | 48 min |
| Jul 13, 12:37 AM CDT | Flash Flood Warning | DMX | Emmet | 3 hr |
| Jul 13, 12:40 AM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 35 min |
| Jul 13, 12:46 AM CDT | Severe Thunderstorm Warning | FSD | Lyon | 44 min |
| Jul 13, 12:55 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Audubon, Benton, Black Hawk, Boone, Bremer and 52 more | 6 hr |
| Jul 13, 12:58 AM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Clay | 62 min |
| Jul 13, 1:04 AM CDT | Severe Thunderstorm Warning | FSD | Sioux | 41 min |
| Jul 13, 1:05 AM CDT | Severe Thunderstorm Warning | FSD | Osceola | 25 min |
| Jul 13, 1:13 AM CDT | Severe Thunderstorm Warning | FSD | O'Brien | 62 min |
| Jul 13, 1:17 AM CDT | Flash Flood Warning | FSD | O'Brien | 88 min |
| Jul 13, 1:45 AM CDT | Severe Thunderstorm Warning | FSD | Sioux | 30 min |
| Jul 13, 1:51 AM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 39 min |
| Jul 13, 1:58 AM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Clay | 47 min |
| Jul 13, 2:31 AM CDT | Severe Thunderstorm Warning | FSD | O'Brien | 44 min |
| Jul 13, 2:33 AM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 42 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, 10:55 AM CDT | Tornado Watch | SPC | Cedar, Clinton, Delaware, Dubuque, Jackson, Jones and 3 more | 6 hr |
| Jul 13, 1:39 PM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Delaware, Dubuque, Jackson, Jones and 3 more | 66 min |
| Jul 13, 2:25 PM CDT | Severe Thunderstorm Watch | SPC | Fremont, Harrison, Mills, Monona, Pottawattamie, Shelby | 6 hr |
| Jul 13, 4:59 PM CDT | Severe Thunderstorm Warning | OAX | Fremont | 31 min |
| Jul 13, 5:07 PM CDT | Severe Thunderstorm Warning | DMX | Adams | 23 min |
| Jul 15, 9:32 AM CDT | Mesoscale Discussion | SPC | Plymouth | 118 min |
| Jul 15, 8:17 PM CDT | Severe Thunderstorm Warning | DMX | Audubon | 28 min |
| Jul 15, 9:31 PM CDT | Severe Thunderstorm Warning | DMX | Adams | 29 min |
| Jul 15, 11:34 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Cass, Decatur, Fremont and 10 more | 86 min |
| Jul 16, 12:47 AM CDT | Severe Thunderstorm Warning | DMX | Taylor | 43 min |
| Jul 16, 10:51 AM CDT | Mesoscale Discussion | SPC | Cedar, Clayton, Clinton, Delaware, Dubuque, Jackson and 3 more | 2 hr |
| Jul 16, 12:10 PM CDT | Severe Thunderstorm Watch | SPC | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 5 hr |
| Jul 16, 1:09 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 66 min |
| Jul 16, 1:37 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Jones | 53 min |
| 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, 1:40 PM CDT | Tornado Watch | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Cedar and 23 more | 5 hr |
| Jul 19, 1:54 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 96 min |
| Jul 19, 2:55 PM CDT | Severe Thunderstorm Warning | ARX | Winneshiek | 80 min |
| Jul 19, 2:59 PM CDT | Tornado Warning | ARX | Winneshiek | 76 min |
| Jul 19, 3:26 PM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Cedar and 22 more | 2 hr |
| Jul 19, 4:00 PM CDT | Severe Thunderstorm Warning | ARX | Fayette | 90 min |
| 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, 6:00 PM CDT | Severe Thunderstorm Watch | SPC | Clinton, Dubuque, Jackson, Scott | 4 hr |
| 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, 2:31 AM CDT | Severe Thunderstorm Warning | DMX | Winnebago | 29 min |
| Jul 21, 5:59 AM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Wright | 46 min |
| Jul 21, 9:03 AM CDT | Mesoscale Discussion | SPC | Benton, Cedar, Clinton, Des Moines, Henry, Iowa and 17 more | 117 min |
| Jul 21, 9:35 AM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Benton, Cedar, Clinton, Davis, Des Moines and 24 more | 5 hr |
| 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 22, 5:17 AM CDT | Severe Thunderstorm Warning | OAX | Mills, Pottawattamie | 43 min |
| Jul 22, 10:56 AM CDT | Severe Thunderstorm Warning | DVN | Muscatine | 49 min |
| Jul 31, 12:10 PM CDT | Mesoscale Discussion | SPC | Dickinson, Emmet, Osceola | 3 hr |
| Jul 31, 3:00 PM CDT | Tornado Watch | SPC | Dickinson, Emmet, Kossuth, Lyon, Mitchell, Osceola and 2 more | 7 hr |
| Jul 31, 4:43 PM CDT | Mesoscale Discussion | SPC | Cherokee, Monona, O'Brien, Plymouth, Sioux, Woodbury | 62 min |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 61 |
| Tornado Warning | 5 |
| Severe Thunderstorm Watch | 12 |
| Tornado Watch | 5 |
| Mesoscale Discussion | 32 |
| Flooding | |
| Flash Flood Warning | 10 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Muscatine County22
- Scott County22
- Clinton County21
- Jackson County21
- Jones County21
- Cedar County20
- Linn County17
- Johnson County16
- Dubuque County16
- Mills County15
- Des Moines County15
- Louisa County15
- Fremont County14
- Iowa County14
- Washington County14
- Benton County14
- Delaware County14
- Pottawattamie County13
- Jefferson County13
- Van Buren County13
- Buchanan County13
- O'Brien County13
- Adams County12
- Henry County12
- Keokuk County12
- Cass County11
- Cherokee County11
- Montgomery County11
- Page County11
- Taylor County11
- Lee County11
- Emmet County11
- Fayette County11
- Sioux County11
- Audubon County10
- Harrison County10
- Monona County10
- Plymouth County10
- Winnebago County10
- Dickinson County10
59 more counties
- Osceola County10
- Lyon County10
- Shelby County9
- Jasper County9
- Adair County9
- Madison County9
- Marion County9
- Mahaska County9
- Poweshiek County9
- Clayton County9
- Howard County9
- Davis County8
- Monroe County8
- Chickasaw County8
- Mitchell County8
- Tama County8
- Winneshiek County8
- Worth County8
- Clay County8
- Buena Vista County7
- Dallas County7
- Ida County7
- Polk County7
- Appanoose County7
- Decatur County7
- Ringgold County7
- Warren County7
- Wapello County7
- Allamakee County7
- Black Hawk County7
- Bremer County7
- Cerro Gordo County7
- Grundy County6
- Crawford County6
- Union County6
- Webster County6
- Clarke County6
- Lucas County6
- Wayne County6
- Floyd County6
- Hamilton County6
- Hancock County6
- Kossuth County6
- Marshall County6
- Wright County6
- Hardin County5
- Boone County5
- Calhoun County5
- Carroll County5
- Greene County5
- Guthrie County5
- Pocahontas County5
- Sac County5
- Woodbury County5
- Butler County5
- Franklin County5
- Story County5
- Palo Alto County5
- Humboldt County4
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. Rebuilt daily.