Alert archive / Iowa / 2024
Weather alerts in Iowa, September 2024
40 weather alerts in September 2024, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in September 2024. Tap one for its archive.
- Alerts
- 40
- Warnings
- 16
- Watches
- 2
- Advisories
- 1
- Busiest day
- September 19, 202414 alerts
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, 4:42 AM CDT | Special Weather Statement | DMX | Calhoun, Sac | 48 min |
| Sep 19, 1:26 PM CDT | Mesoscale Discussion | SPC | Emmet, Hancock, Kossuth, Winnebago, Worth | 2 hr |
| Sep 19, 1:44 PM CDT | Special Weather Statement | DMX | Winnebago | 31 min |
| 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, 2:10 PM CDT | Severe Thunderstorm Watch | SPC | Cerro Gordo, Chickasaw, Emmet, Floyd, Hancock, Howard and 6 more | 6 hr |
| 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, 4:01 PM CDT | Special Weather Statement | DMX | Emmet | 29 min |
| Sep 19, 5:20 PM CDT | Severe Thunderstorm Warning | ARX | Howard, Mitchell | 40 min |
| Sep 19, 5:40 PM CDT | Special Weather Statement | DMX | Hancock | 35 min |
| Sep 19, 5:55 PM CDT | Special Weather Statement | DMX | Hamilton | 35 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, 7:35 PM CDT | Special Weather Statement | ARX | Howard | 25 min |
| Sep 19, 7:38 PM CDT | Special Weather Statement | ARX | Clayton | 37 min |
| Sep 19, 7:41 PM CDT | Special Weather Statement | DMX | Story | 34 min |
| Sep 19, 8:15 PM CDT | Special Weather Statement | ARX | Clayton | 30 min |
| Sep 19, 9:25 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall, Story, Tama | 39 min |
| Sep 19, 9:49 PM CDT | Special Weather Statement | DMX | Polk | 26 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 19, 10:59 PM CDT | Special Weather Statement | DMX | Jasper | 31 min |
| Sep 19, 11:13 PM CDT | Special Weather Statement | DMX | Clarke, Decatur | 32 min |
| Sep 19, 11:31 PM CDT | Special Weather Statement | DMX | Mahaska, Marion | 29 min |
| Sep 19, 11:43 PM CDT | Special Weather Statement | DMX | Decatur, Wayne | 47 min |
| Sep 20, 3:24 AM CDT | Dense Fog Advisory | ARX | Allamakee, Winneshiek | 3 hr |
| Sep 21, 10:34 AM CDT | Special Weather Statement | ARX | Allamakee | 41 min |
| Sep 21, 11:15 AM CDT | Special Weather Statement | ARX | Allamakee | 45 min |
| Sep 21, 4:47 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 58 min |
| Sep 21, 5:18 PM CDT | Special Weather Statement | ARX | Chickasaw, Fayette, Floyd, Howard, Winneshiek | 42 min |
| Sep 21, 6:31 PM CDT | Special Weather Statement | ARX | Winneshiek | 59 min |
| Sep 21, 8:46 PM CDT | Special Weather Statement | DMX | Madison | 29 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 |
| Sep 24, 4:01 PM CDT | Special Weather Statement | OAX | Page | 29 min |
| Sep 29, 3:28 PM CDT | Fire Weather Watch | FSD | Cherokee, Lyon, O'Brien, Osceola, Plymouth, Sioux and 1 more | 11 hr |
| Sep 29, 3:28 PM CDT | Red Flag Warning | FSD | Lyon, Plymouth, Sioux | 29 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 15 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 1 |
| Special Weather Statement | 20 |
| Fire | |
| Red Flag Warning | 1 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Winnebago County6
- Worth County5
- Howard County5
- Winneshiek County5
- Hancock County4
- Kossuth County4
- Allamakee County4
- Emmet County3
- Mitchell County3
- Jasper County3
- Adams County3
- Clarke County3
- Decatur County3
- Cerro Gordo County2
- Chickasaw County2
- Floyd County2
- Clayton County2
- Story County2
- Madison County2
- Union County2
- Lyon County2
- Plymouth County2
- Sioux County2
- Calhoun County1
- Sac County1
- Palo Alto County1
- Hamilton County1
- Marshall County1
- Tama County1
- Polk County1
- Adair County1
- Ringgold County1
- Mahaska County1
- Marion County1
- Wayne County1
- Fayette County1
- Taylor County1
- Page County1
- Cherokee County1
- O'Brien County1
2 more counties
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. Rebuilt daily.