Alert archive / Iowa / Tornado Warnings / 2004
Tornado Warnings in Iowa, August 2004
34 tornado warnings 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 tornado warnings reaches back to 1986.
Tornado Warnings by county
Each county as a circle sized by its count in August 2004. Tap one for its archive.
- Tornado Warnings
- 34
- Busiest day
- August 26, 200411 tornado 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 |
|---|---|---|---|---|
| Jul 31, 7:59 PM CDT | Tornado Warning | FSD | Lyon | 31 min |
| Jul 31, 8:01 PM CDT | Tornado Warning | FSD | Lyon | 29 min |
| Jul 31, 8:30 PM CDT | Tornado Warning | FSD | Lyon | 30 min |
| Aug 3, 3:48 PM CDT | Tornado Warning | DMX | Greene | 42 min |
| Aug 3, 5:02 PM CDT | Tornado Warning | DMX | Marshall | 43 min |
| Aug 3, 7:47 PM CDT | Tornado Warning | DMX | Madison | 43 min |
| Aug 3, 8:38 PM CDT | Tornado Warning | OAX | Montgomery | 52 min |
| Aug 16, 7:05 PM CDT | Tornado Warning | DMX | Franklin, Hardin | 25 min |
| Aug 16, 7:17 PM CDT | Tornado Warning | DMX | Grundy | 43 min |
| Aug 16, 7:29 PM CDT | Tornado Warning | DMX | Hardin | 16 min |
| Aug 16, 8:01 PM CDT | Tornado Warning | DMX | Grundy | 29 min |
| Aug 18, 5:55 PM CDT | Tornado Warning | DVN | Des Moines | 50 min |
| Aug 26, 3:57 PM CDT | Tornado Warning | DMX | Pocahontas | 48 min |
| Aug 26, 4:48 PM CDT | Tornado Warning | DMX | Humboldt | 42 min |
| Aug 26, 5:04 PM CDT | Tornado Warning | DMX | Wright | 41 min |
| Aug 26, 5:39 PM CDT | Tornado Warning | OAX | Fremont | 51 min |
| Aug 26, 5:46 PM CDT | Tornado Warning | DMX | Wright | 29 min |
| Aug 26, 6:02 PM CDT | Tornado Warning | OAX | Page | 43 min |
| Aug 26, 6:41 PM CDT | Tornado Warning | DMX | Crawford | 49 min |
| Aug 26, 6:41 PM CDT | Tornado Warning | OAX | Page | 34 min |
| Aug 26, 6:52 PM CDT | Tornado Warning | DMX | Taylor | 53 min |
| Aug 26, 6:54 PM CDT | Tornado Warning | DMX | Greene | 51 min |
| Aug 26, 6:55 PM CDT | Tornado Warning | DMX | Sac | 50 min |
| Aug 26, 7:02 PM CDT | Tornado Warning | DMX | Carroll | 43 min |
| Aug 26, 7:10 PM CDT | Tornado Warning | DMX | Boone | 50 min |
| Aug 26, 7:49 PM CDT | Tornado Warning | DMX | Story | 41 min |
| Aug 26, 8:00 PM CDT | Tornado Warning | DMX | Boone | 30 min |
| Aug 26, 8:26 PM CDT | Tornado Warning | DMX | Story | 34 min |
| Aug 26, 8:29 PM CDT | Tornado Warning | DMX | Jasper, Marshall | 46 min |
| Aug 26, 8:36 PM CDT | Tornado Warning | DMX | Butler | 54 min |
| Aug 26, 9:15 PM CDT | Tornado Warning | OAX | Page | 30 min |
| Aug 26, 10:14 PM CDT | Tornado Warning | DVN | Linn | 46 min |
| Aug 26, 10:47 PM CDT | Tornado Warning | DVN | Jones | 43 min |
| Aug 26, 11:00 PM CDT | Tornado Warning | DVN | Delaware, Dubuque | 45 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lyon County3
- Page County3
- Greene County2
- Marshall County2
- Hardin County2
- Grundy County2
- Wright County2
- Boone County2
- Story County2
- Madison County1
- Montgomery County1
- Franklin County1
- Des Moines County1
- Pocahontas County1
- Humboldt County1
- Fremont County1
- Crawford County1
- Taylor County1
- Sac County1
- Carroll County1
- Jasper County1
- Butler County1
- Linn County1
- Jones County1
- Delaware County1
- Dubuque 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. Rebuilt daily.