Alert archive / Iowa / Severe Thunderstorm Watches / 2004
Severe Thunderstorm Watches in Iowa, September 2004
2 severe thunderstorm watches in September 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 September 2004. Tap one for its archive.
- Severe Thunderstorm Watches
- 2
- Busiest day
- September 13, 20041 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 |
|---|---|---|---|---|
| Sep 13, 5:50 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Emmet, Ida and 8 more | 7 hr |
| Sep 14, 2:45 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Audubon, Boone, Buena Vista, Calhoun, Carroll and 33 more | 7 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Buena Vista County2
- Cherokee County2
- Ida County2
- Monona County2
- Palo Alto County2
- Woodbury County2
- Clay County1
- Dickinson County1
- Emmet County1
- Lyon County1
- O'Brien County1
- Osceola County1
- Plymouth County1
- Sioux County1
- Adair County1
- Audubon County1
- Boone County1
- Calhoun County1
- Carroll County1
- Cass County1
- Cerro Gordo County1
- Crawford County1
- Dallas County1
- Franklin County1
- Fremont County1
- Greene County1
- Guthrie County1
- Hamilton County1
- Hancock County1
- Hardin County1
- Harrison County1
- Humboldt County1
- Kossuth County1
- Madison County1
- Marshall County1
- Mills County1
- Montgomery County1
- Pocahontas County1
- Polk County1
- Pottawattamie 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.