Alert archive / Iowa / Severe Thunderstorm Warnings / 2007
Severe Thunderstorm Warnings in Iowa, September 2007
60 severe thunderstorm warnings in September 2007. 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 2007. Tap one for its archive.
- Severe Thunderstorm Warnings
- 60
- Busiest day
- September 30, 200721 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 6, 6:05 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 25 min |
| Sep 6, 7:15 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 30 min |
| Sep 6, 7:36 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 39 min |
| Sep 7, 12:18 AM CDT | Severe Thunderstorm Warning | DMX | Dallas | 27 min |
| Sep 7, 1:10 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall | 27 min |
| Sep 13, 5:24 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Sioux | 36 min |
| Sep 13, 5:54 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 36 min |
| Sep 18, 4:47 PM CDT | Severe Thunderstorm Warning | DMX | Lucas, Wayne | 43 min |
| Sep 18, 5:06 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marion | 39 min |
| Sep 18, 5:21 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Monroe | 54 min |
| Sep 18, 5:27 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 48 min |
| Sep 18, 5:49 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek, Tama | 41 min |
| Sep 18, 6:01 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa | 44 min |
| Sep 18, 6:25 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 35 min |
| Sep 18, 6:31 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 38 min |
| Sep 18, 6:36 PM CDT | Severe Thunderstorm Warning | DVN | Linn | 39 min |
| Sep 18, 6:44 PM CDT | Severe Thunderstorm Warning | DVN | Delaware | 42 min |
| Sep 18, 6:46 PM CDT | Severe Thunderstorm Warning | OAX | Shelby | 44 min |
| Sep 18, 6:52 PM CDT | Severe Thunderstorm Warning | ARX | Clayton, Fayette | 38 min |
| Sep 18, 7:23 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 42 min |
| Sep 18, 7:25 PM CDT | Severe Thunderstorm Warning | DMX | Audubon | 50 min |
| Sep 18, 7:29 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 9 min |
| Sep 18, 7:40 PM CDT | Severe Thunderstorm Warning | DMX | Guthrie | 50 min |
| Sep 18, 8:04 PM CDT | Severe Thunderstorm Warning | DMX | Greene | 41 min |
| Sep 18, 8:11 PM CDT | Severe Thunderstorm Warning | DMX | Dallas | 49 min |
| Sep 18, 8:20 PM CDT | Severe Thunderstorm Warning | DMX | Boone | 40 min |
| Sep 18, 8:42 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 48 min |
| Sep 18, 8:56 PM CDT | Severe Thunderstorm Warning | DMX | Story | 38 min |
| Sep 21, 5:19 PM CDT | Severe Thunderstorm Warning | DMX | Marion, Warren | 26 min |
| Sep 21, 5:26 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 34 min |
| Sep 21, 5:26 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 64 min |
| Sep 21, 5:38 PM CDT | Severe Thunderstorm Warning | DVN | Benton | 67 min |
| Sep 21, 5:43 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Poweshiek, Tama | 47 min |
| Sep 21, 5:45 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion | 45 min |
| Sep 21, 6:10 PM CDT | Severe Thunderstorm Warning | DVN | Linn | 53 min |
| Sep 24, 6:18 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 27 min |
| Sep 24, 6:47 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 28 min |
| Sep 24, 6:50 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 40 min |
| Sep 25, 10:41 AM CDT | Severe Thunderstorm Warning | DMX | Wayne | 22 min |
| Sep 30, 4:29 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold | 31 min |
| Sep 30, 4:31 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 29 min |
| Sep 30, 4:36 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 39 min |
| Sep 30, 4:38 PM CDT | Severe Thunderstorm Warning | DMX | Union | 27 min |
| Sep 30, 4:41 PM CDT | Severe Thunderstorm Warning | FSD | Lyon, Sioux | 40 min |
| Sep 30, 4:44 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 31 min |
| Sep 30, 4:49 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Madison, Warren | 56 min |
| Sep 30, 5:09 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 36 min |
| Sep 30, 5:12 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 33 min |
| Sep 30, 5:21 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Lucas | 24 min |
| Sep 30, 5:25 PM CDT | Severe Thunderstorm Warning | DMX | Sac | 50 min |
| Sep 30, 5:32 PM CDT | Severe Thunderstorm Warning | FSD | Ida | 28 min |
| Sep 30, 5:42 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 48 min |
| Sep 30, 5:52 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 38 min |
| Sep 30, 5:54 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 36 min |
| Sep 30, 6:03 PM CDT | Severe Thunderstorm Warning | DMX | Jasper | 57 min |
| Sep 30, 6:17 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Pocahontas, Sac | 43 min |
| Sep 30, 6:18 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion, Poweshiek | 42 min |
| Sep 30, 6:20 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 25 min |
| Sep 30, 6:26 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 16 min |
| Sep 30, 6:59 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee, Clayton | 46 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Plymouth County6
- Jasper County4
- Marion County4
- Sioux County3
- Mahaska County3
- Poweshiek County3
- Clayton County3
- Monona County3
- Harrison County2
- Dallas County2
- Lucas County2
- Wayne County2
- Tama County2
- Benton County2
- Buchanan County2
- Linn County2
- Allamakee County2
- Warren County2
- Woodbury County2
- Clarke County2
- Sac County2
- Cherokee County2
- Buena Vista County2
- Marshall County1
- Appanoose County1
- Monroe County1
- Iowa County1
- Delaware County1
- Shelby County1
- Fayette County1
- Audubon County1
- Guthrie County1
- Greene County1
- Boone County1
- Polk County1
- Story County1
- Black Hawk County1
- Crawford County1
- Ringgold County1
- Union County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20062008
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.