Alert archive / Iowa / Severe Thunderstorm Warnings / 2004
Severe Thunderstorm Warnings in Iowa, September 2004
33 severe thunderstorm warnings 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 warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in September 2004. Tap one for its archive.
- Severe Thunderstorm Warnings
- 33
- Busiest day
- September 14, 200413 severe thunderstorm warnings
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 5, 4:41 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 34 min |
| Sep 5, 5:02 PM CDT | Severe Thunderstorm Warning | DMX | Adair | 43 min |
| Sep 5, 5:55 PM CDT | Severe Thunderstorm Warning | DMX | Webster | 35 min |
| Sep 13, 6:40 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 35 min |
| Sep 14, 4:21 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 39 min |
| Sep 14, 4:42 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 33 min |
| Sep 14, 4:44 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Plymouth | 31 min |
| Sep 14, 4:59 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 31 min |
| Sep 14, 5:11 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Woodbury | 34 min |
| Sep 14, 5:16 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 44 min |
| Sep 14, 5:43 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 47 min |
| Sep 14, 6:00 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 30 min |
| Sep 14, 6:02 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 28 min |
| Sep 14, 6:12 PM CDT | Severe Thunderstorm Warning | FSD | Ida | 18 min |
| Sep 14, 6:30 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 45 min |
| Sep 14, 6:51 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 39 min |
| Sep 14, 6:59 PM CDT | Severe Thunderstorm Warning | DMX | Sac | 46 min |
| Sep 14, 7:16 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 44 min |
| Sep 14, 10:59 PM CDT | Severe Thunderstorm Warning | DMX | Hancock, Winnebago | 46 min |
| Sep 15, 4:35 AM CDT | Severe Thunderstorm Warning | OAX | Monona | 25 min |
| Sep 15, 5:26 AM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 34 min |
| Sep 17, 8:56 AM CDT | Severe Thunderstorm Warning | FSD | Sioux | 34 min |
| Sep 17, 1:49 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 26 min |
| Sep 17, 3:02 PM CDT | Severe Thunderstorm Warning | DMX | Pocahontas | 43 min |
| Sep 17, 3:17 PM CDT | Severe Thunderstorm Warning | DMX | Palo Alto | 43 min |
| Sep 17, 3:44 PM CDT | Severe Thunderstorm Warning | DMX | Pocahontas | 46 min |
| Sep 17, 4:28 PM CDT | Severe Thunderstorm Warning | DMX | Pocahontas | 57 min |
| Sep 17, 5:08 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Webster | 52 min |
| Sep 17, 7:18 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton | 42 min |
| Sep 18, 1:20 AM CDT | Severe Thunderstorm Warning | DMX | Taylor | 40 min |
| Sep 18, 2:16 AM CDT | Severe Thunderstorm Warning | DMX | Taylor | 44 min |
| Sep 18, 2:40 AM CDT | Severe Thunderstorm Warning | DMX | Adams | 50 min |
| Sep 18, 4:10 AM CDT | Severe Thunderstorm Warning | DMX | Adams | 50 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Monona County4
- Harrison County3
- Crawford County3
- Pocahontas County3
- Webster County2
- Plymouth County2
- Buena Vista County2
- Taylor County2
- Adams County2
- Cass County1
- Adair County1
- Lyon County1
- Cherokee County1
- Woodbury County1
- Ida County1
- Kossuth County1
- Sac County1
- Hancock County1
- Winnebago County1
- Sioux County1
- Clay County1
- Palo Alto County1
- Calhoun County1
- Hamilton 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.