Alert archive / Missouri / Severe Thunderstorm Warnings / 2021
Severe Thunderstorm Warnings in Missouri, September 2021
22 severe thunderstorm warnings in September 2021. 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 2021. Tap one for its archive.
- Severe Thunderstorm Warnings
- 22
- Busiest day
- September 20, 20219 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 |
|---|---|---|---|---|
| Aug 31, 9:03 PM CDT | Severe Thunderstorm Warning | LSX | Saint Francois, Washington | 42 min |
| Aug 31, 9:31 PM CDT | Severe Thunderstorm Warning | LSX | Saint Francois, Washington | 44 min |
| Aug 31, 9:49 PM CDT | Severe Thunderstorm Warning | LSX | Iron, Madison, Reynolds, Saint Francois | 41 min |
| Sep 4, 6:45 PM CDT | Severe Thunderstorm Warning | SGF | Howell | 45 min |
| Sep 20, 4:12 PM CDT | Severe Thunderstorm Warning | EAX | Harrison, Worth | 33 min |
| Sep 20, 4:57 PM CDT | Severe Thunderstorm Warning | EAX | Daviess, DeKalb, Gentry, Harrison | 33 min |
| Sep 20, 5:13 PM CDT | Severe Thunderstorm Warning | EAX | Clay, Clinton, Platte | 47 min |
| Sep 20, 5:29 PM CDT | Severe Thunderstorm Warning | EAX | Jackson | 46 min |
| Sep 20, 5:33 PM CDT | Severe Thunderstorm Warning | EAX | Clay, Clinton, Platte | 42 min |
| Sep 20, 6:00 PM CDT | Severe Thunderstorm Warning | EAX | Clay, Jackson | 45 min |
| Sep 20, 6:13 PM CDT | Severe Thunderstorm Warning | EAX | Bates | 47 min |
| Sep 20, 6:23 PM CDT | Severe Thunderstorm Warning | EAX | Clay, Jackson, Ray | 52 min |
| Sep 20, 6:47 PM CDT | Severe Thunderstorm Warning | EAX | Carroll, Lafayette, Ray | 43 min |
| Sep 20, 7:35 PM CDT | Severe Thunderstorm Warning | EAX | Lafayette | 21 min |
| Sep 20, 8:26 PM CDT | Severe Thunderstorm Warning | EAX | Cooper, Pettis, Saline | 49 min |
| Sep 20, 8:45 PM CDT | Severe Thunderstorm Warning | LSX | Knox, Lewis | 45 min |
| Sep 20, 9:56 PM CDT | Severe Thunderstorm Warning | LSX | Audrain, Monroe, Ralls | 51 min |
| Sep 20, 10:35 PM CDT | Severe Thunderstorm Warning | LSX | Marion, Pike, Ralls | 40 min |
| Sep 20, 11:06 PM CDT | Severe Thunderstorm Warning | SGF | McDonald, Newton | 39 min |
| Sep 20, 11:42 PM CDT | Severe Thunderstorm Warning | SGF | McDonald | 48 min |
| Sep 21, 12:31 AM CDT | Severe Thunderstorm Warning | SGF | Webster | 33 min |
| Sep 21, 12:46 AM CDT | Severe Thunderstorm Warning | SGF | Douglas, Wright | 47 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Clay County4
- Saint Francois County3
- Jackson County3
- Washington County2
- Harrison County2
- Clinton County2
- Platte County2
- Ray County2
- Lafayette County2
- Ralls County2
- McDonald County2
- Iron County1
- Madison County1
- Reynolds County1
- Howell County1
- Worth County1
- Daviess County1
- DeKalb County1
- Gentry County1
- Bates County1
- Carroll County1
- Cooper County1
- Pettis County1
- Saline County1
- Knox County1
- Lewis County1
- Audrain County1
- Monroe County1
- Marion County1
- Pike County1
- Newton County1
- Webster County1
- Douglas County1
- Wright County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.