Alert archive / Iowa / Severe Thunderstorm Warnings / 2024
Severe Thunderstorm Warnings in Iowa, September 2024
15 severe thunderstorm warnings in September 2024. 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 2024. Tap one for its archive.
- Severe Thunderstorm Warnings
- 15
- Busiest day
- September 19, 20247 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 19, 1:45 PM CDT | Severe Thunderstorm Warning | DMX | Hancock, Winnebago, Worth | 45 min |
| Sep 19, 2:02 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth, Winnebago | 28 min |
| Sep 19, 2:28 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth, Winnebago, Worth | 47 min |
| Sep 19, 3:05 PM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 40 min |
| Sep 19, 5:20 PM CDT | Severe Thunderstorm Warning | ARX | Howard, Mitchell | 40 min |
| Sep 19, 5:58 PM CDT | Severe Thunderstorm Warning | ARX | Howard, Winneshiek | 47 min |
| Sep 19, 6:30 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Worth | 30 min |
| Sep 19, 9:25 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall, Story, Tama | 39 min |
| Sep 19, 10:02 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Clarke, Madison, Union | 43 min |
| Sep 19, 10:15 PM CDT | Severe Thunderstorm Warning | DMX | Jasper | 45 min |
| Sep 19, 10:37 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur, Ringgold, Union | 38 min |
| Sep 21, 4:47 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 58 min |
| Sep 24, 2:21 PM CDT | Severe Thunderstorm Warning | DMX | Adams | 24 min |
| Sep 24, 2:45 PM CDT | Severe Thunderstorm Warning | DMX | Adams | 31 min |
| Sep 24, 3:43 PM CDT | Severe Thunderstorm Warning | DMX | Taylor | 32 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Winnebago County3
- Worth County3
- Adams County3
- Kossuth County2
- Mitchell County2
- Howard County2
- Jasper County2
- Clarke County2
- Union County2
- Hancock County1
- Winneshiek County1
- Cerro Gordo County1
- Marshall County1
- Story County1
- Tama County1
- Adair County1
- Madison County1
- Decatur County1
- Ringgold County1
- Allamakee County1
- Taylor County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20232025
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.