Alert archive / Iowa / Severe Thunderstorm Watches / 2004
Severe Thunderstorm Watches in Iowa, August 2004
12 severe thunderstorm watches 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 severe thunderstorm watches reaches back to 1997.
Severe Thunderstorm Watches by county
Each county as a circle sized by its count in August 2004. Tap one for its archive.
- Severe Thunderstorm Watches
- 12
- Busiest day
- August 18, 20043 severe thunderstorm watches
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, 9:45 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Emmet, Hancock and 10 more | 5 hr |
| Aug 2, 12:20 AM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Ida, Lyon, O'Brien, Osceola and 4 more | 4 hr |
| Aug 3, 11:05 AM CDT | Severe Thunderstorm Watch | SPC | Bremer, Buena Vista, Butler, Calhoun, Cerro Gordo, Cherokee and 25 more | 6 hr |
| Aug 3, 2:25 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Bremer, Butler, Cerro Gordo, Chickasaw, Clayton and 7 more | 5 hr |
| Aug 3, 9:45 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Appanoose, Clarke, Davis, Decatur, Des Moines and 18 more | 5 hr |
| Aug 16, 5:30 PM CDT | Severe Thunderstorm Watch | SPC | Audubon, Boone, Buena Vista, Calhoun, Carroll, Cerro Gordo and 34 more | 6 hr |
| Aug 17, 1:20 PM CDT | Severe Thunderstorm Watch | SPC | Des Moines, Henry, Lee, Van Buren | 6 hr |
| Aug 18, 1:10 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Bremer, Chickasaw, Clayton, Fayette, Floyd and 2 more | 7 hr |
| Aug 18, 4:50 PM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Davis, Decatur, Henry, Jefferson, Lee and 7 more | 6 hr |
| Aug 18, 5:35 PM CDT | Severe Thunderstorm Watch | SPC | Des Moines | 5 hr |
| Aug 25, 8:50 AM CDT | Severe Thunderstorm Watch | SPC | Adams, Clarke, Decatur, Fremont, Madison, Mills and 6 more | 5 hr |
| Aug 26, 9:45 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Appanoose, Benton, Black Hawk, Buchanan, Cedar and 36 more | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Buena Vista County4
- Cherokee County4
- Lyon County4
- O'Brien County4
- Osceola County4
- Plymouth County4
- Sioux County4
- Decatur County4
- Des Moines County4
- Henry County4
- Lee County4
- Ringgold County4
- Van Buren County4
- Clay County3
- Dickinson County3
- Emmet County3
- Hancock County3
- Kossuth County3
- Palo Alto County3
- Winnebago County3
- Worth County3
- Sac County3
- Bremer County3
- Cerro Gordo County3
- Floyd County3
- Franklin County3
- Allamakee County3
- Clayton County3
- Fayette County3
- Appanoose County3
- Clarke County3
- Davis County3
- Jefferson County3
- Louisa County3
- Monroe County3
- Taylor County3
- Union County3
- Wapello County3
- Wayne County3
- Mitchell County2
56 more counties
- Ida County2
- Woodbury County2
- Butler County2
- Calhoun County2
- Hamilton County2
- Hardin County2
- Humboldt County2
- Marshall County2
- Pocahontas County2
- Story County2
- Tama County2
- Webster County2
- Wright County2
- Chickasaw County2
- Howard County2
- Winneshiek County2
- Adams County2
- Keokuk County2
- Lucas County2
- Mahaska County2
- Marion County2
- Montgomery County2
- Page County2
- Washington County2
- Jasper County2
- Warren County2
- Grundy County1
- Audubon County1
- Boone County1
- Carroll County1
- Crawford County1
- Dallas County1
- Greene County1
- Guthrie County1
- Harrison County1
- Monona County1
- Polk County1
- Shelby County1
- Fremont County1
- Madison County1
- Mills County1
- Benton County1
- Black Hawk County1
- Buchanan County1
- Cedar County1
- Clinton County1
- Delaware County1
- Dubuque County1
- Iowa County1
- Jackson County1
- Johnson County1
- Jones County1
- Linn County1
- Muscatine County1
- Poweshiek County1
- Scott 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.