Alert archive / Iowa / Severe Thunderstorm Warnings / 2009
Severe Thunderstorm Warnings in Iowa, February 2009
11 severe thunderstorm warnings in February 2009. 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 February 2009. Tap one for its archive.
- Severe Thunderstorm Warnings
- 11
- Busiest day
- February 26, 200910 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 |
|---|---|---|---|---|
| Feb 17, 11:34 PM CST | Severe Thunderstorm Warning | DMX | Wapello | 26 min |
| Feb 26, 8:34 AM CST | Severe Thunderstorm Warning | OAX | Monona | 41 min |
| Feb 26, 9:05 AM CST | Severe Thunderstorm Warning | FSD | Ida, Woodbury | 25 min |
| Feb 26, 10:43 AM CST | Severe Thunderstorm Warning | OAX | Pottawattamie, Shelby | 36 min |
| Feb 26, 11:20 AM CST | Severe Thunderstorm Warning | DVN | Clinton, Jackson | 40 min |
| Feb 26, 11:22 AM CST | Severe Thunderstorm Warning | DMX | Audubon, Carroll, Greene | 23 min |
| Feb 26, 11:42 AM CST | Severe Thunderstorm Warning | DMX | Adair, Cass | 33 min |
| Feb 26, 12:32 PM CST | Severe Thunderstorm Warning | DMX | Dallas, Jasper, Madison, Polk | 43 min |
| Feb 26, 12:45 PM CST | Severe Thunderstorm Warning | DVN | Buchanan, Delaware | 30 min |
| Feb 26, 1:07 PM CST | Severe Thunderstorm Warning | DVN | Benton | 38 min |
| Feb 26, 1:21 PM CST | Severe Thunderstorm Warning | DMX | Appanoose, Davis, Wapello | 39 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Wapello County2
- Monona County1
- Ida County1
- Woodbury County1
- Pottawattamie County1
- Shelby County1
- Clinton County1
- Jackson County1
- Audubon County1
- Carroll County1
- Greene County1
- Adair County1
- Cass County1
- Dallas County1
- Jasper County1
- Madison County1
- Polk County1
- Buchanan County1
- Delaware County1
- Benton County1
- Appanoose County1
- Davis County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20082010
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.