Alert archive / Missouri / 2021
Weather alerts in Missouri, September 2021
84 weather alerts in September 2021, 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 2021. Tap one for its archive.
- Alerts
- 84
- Warnings
- 28
- Watches
- 3
- Advisories
- 15
- Busiest day
- September 21, 202118 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 |
|---|---|---|---|---|
| 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 |
| Aug 31, 10:29 PM CDT | Special Weather Statement | PAH | Bollinger, Wayne | 46 min |
| Aug 31, 11:16 PM CDT | Special Weather Statement | PAH | Butler, Stoddard, Wayne | 44 min |
| Sep 3, 3:20 AM CDT | Flash Flood Watch | SGF | Barton, Benton, Cedar, Dade, Hickory, Jasper and 4 more | 34 hr |
| Sep 3, 3:37 AM CDT | Flash Flood Watch | EAX | Bates, Cass, Henry, Johnson, Pettis | 33 hr |
| Sep 3, 6:24 AM CDT | Areal Flood Advisory | EAX | Clay, Jackson, Platte | 4 hr |
| Sep 3, 10:13 PM CDT | River Flood Warning | EAX | Cass, Henry, Johnson | 33 hr |
| Sep 3, 11:47 PM CDT | Flash Flood Warning | SGF | Vernon | 6 hr |
| Sep 4, 2:17 AM CDT | River Flood Warning | SGF | Vernon | 5 days |
| Sep 4, 2:17 AM CDT | River Flood Warning | SGF | Bates, Vernon | 3 days |
| Sep 4, 2:17 AM CDT | River Flood Warning | SGF | St. Clair | 6 days |
| Sep 4, 5:45 AM CDT | Areal Flood Advisory | SGF | Cedar, St. Clair, Vernon | 6 hr |
| Sep 4, 10:20 AM CDT | Areal Flood Advisory | LSX | Crawford, Washington | 4 hr |
| Sep 4, 11:08 AM CDT | Areal Flood Advisory | PAH | Bollinger | 3 hr |
| Sep 4, 11:19 AM CDT | Areal Flood Advisory | LSX | Madison | 4 hr |
| Sep 4, 2:20 PM CDT | Mesoscale Discussion | SPC | Carter, Dent, Iron, Madison, Reynolds, Shannon and 1 more | 115 min |
| Sep 4, 3:23 PM CDT | Mesoscale Discussion | SPC | Barry, Lawrence, McDonald, Newton, Stone | 3 hr |
| Sep 4, 4:40 PM CDT | Special Weather Statement | SGF | Christian | 35 min |
| Sep 4, 6:14 PM CDT | Special Weather Statement | SGF | Howell, Shannon | 46 min |
| Sep 4, 6:45 PM CDT | Severe Thunderstorm Warning | SGF | Howell | 45 min |
| Sep 4, 7:31 PM CDT | Special Weather Statement | SGF | Howell | 44 min |
| Sep 4, 10:01 PM CDT | Areal Flood Warning | EAX | Bates | 12 hr |
| Sep 5, 2:16 AM CDT | Areal Flood Advisory | MEG | Dunklin | 4 hr |
| Sep 7, 3:42 PM CDT | Mesoscale Discussion | SPC | Bates | 3 hr |
| Sep 7, 6:39 PM CDT | Special Weather Statement | EAX | Bates | 36 min |
| Sep 11, 4:03 AM CDT | Lake Wind Advisory | PAH | Bollinger, Butler, Cape Girardeau, Carter, Mississippi, New Madrid and 5 more | 14 hr |
| Sep 14, 3:18 PM CDT | Mesoscale Discussion | SPC | Barton, Benton, Callaway, Camden, Cedar, Cole and 22 more | 117 min |
| Sep 14, 7:09 PM CDT | Special Weather Statement | EAX | Henry | 36 min |
| Sep 14, 8:12 PM CDT | Special Weather Statement | SGF | Dallas | 48 min |
| Sep 15, 1:53 AM CDT | Special Weather Statement | SGF | Greene | 37 min |
| Sep 15, 1:59 AM CDT | Special Weather Statement | SGF | Jasper | 31 min |
| Sep 15, 3:02 AM CDT | Special Weather Statement | EAX | Bates | 43 min |
| Sep 15, 4:20 AM CDT | Areal Flood Advisory | LSX | Sainte Genevieve | 3 hr |
| Sep 15, 7:42 AM CDT | Areal Flood Advisory | LSX | Iron, Madison, Saint Francois | 3 hr |
| Sep 16, 6:34 AM CDT | Dense Fog Advisory | MEG | Dunklin, Pemiscot | 2 hr |
| Sep 17, 3:29 PM CDT | Special Weather Statement | EAX | DeKalb | 31 min |
| Sep 17, 3:57 PM CDT | Special Weather Statement | EAX | Schuyler | 33 min |
| Sep 17, 4:18 PM CDT | Special Weather Statement | EAX | Clinton | 27 min |
| Sep 17, 5:01 PM CDT | Special Weather Statement | EAX | Adair | 29 min |
| Sep 17, 5:44 PM CDT | Special Weather Statement | EAX | Platte | 31 min |
| Sep 18, 4:51 PM CDT | Special Weather Statement | PAH | Butler | 24 min |
| Sep 18, 5:36 PM CDT | Special Weather Statement | SGF | Barry | 39 min |
| Sep 20, 12:38 PM CDT | Mesoscale Discussion | SPC | Mercer, Putnam, Worth | 2 hr |
| Sep 20, 2:15 PM CDT | Mesoscale Discussion | SPC | Adair, Bates, Benton, Buchanan, Caldwell, Carroll and 29 more | 2 hr |
| Sep 20, 3:25 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Andrew, Bates, Benton, Buchanan, Caldwell and 32 more | 7 hr |
| Sep 20, 4:00 PM CDT | Special Weather Statement | EAX | Buchanan | 30 min |
| Sep 20, 4:12 PM CDT | Severe Thunderstorm Warning | EAX | Harrison, Worth | 33 min |
| Sep 20, 4:36 PM CDT | Special Weather Statement | EAX | DeKalb | 24 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, 5:49 PM CDT | Special Weather Statement | EAX | Daviess | 26 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, 6:25 PM CDT | Mesoscale Discussion | SPC | Adair, Bates, Benton, Caldwell, Carroll, Cass and 28 more | 95 min |
| Sep 20, 6:34 PM CDT | Special Weather Statement | EAX | Cass | 26 min |
| Sep 20, 6:47 PM CDT | Severe Thunderstorm Warning | EAX | Carroll, Lafayette, Ray | 43 min |
| Sep 20, 7:25 PM CDT | Special Weather Statement | EAX | Carroll, Livingston | 35 min |
| Sep 20, 7:35 PM CDT | Severe Thunderstorm Warning | EAX | Lafayette | 21 min |
| Sep 20, 7:52 PM CDT | Special Weather Statement | EAX | Linn | 23 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, 8:55 PM CDT | Special Weather Statement | EAX | Cooper, Howard | 35 min |
| Sep 20, 9:27 PM CDT | Special Weather Statement | EAX | Randolph | 18 min |
| Sep 20, 9:56 PM CDT | Severe Thunderstorm Warning | LSX | Audrain, Monroe, Ralls | 51 min |
| Sep 20, 10:01 PM CDT | Special Weather Statement | SGF | Jasper, Newton | 59 min |
| Sep 20, 10:35 PM CDT | Severe Thunderstorm Warning | LSX | Marion, Pike, Ralls | 40 min |
| Sep 20, 10:55 PM CDT | Special Weather Statement | SGF | Barry, Lawrence, McDonald, Newton | 65 min |
| Sep 20, 11:06 PM CDT | Severe Thunderstorm Warning | SGF | McDonald, Newton | 39 min |
| Sep 20, 11:18 PM CDT | Special Weather Statement | SGF | Greene | 42 min |
| Sep 20, 11:42 PM CDT | Severe Thunderstorm Warning | SGF | McDonald | 48 min |
| Sep 20, 11:44 PM CDT | Special Weather Statement | SGF | Barry, Christian, Stone | 31 min |
| Sep 21, 12:18 AM CDT | Special Weather Statement | SGF | Christian, Webster | 42 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 |
| Sep 22, 3:45 AM CDT | Lake Wind Advisory | PAH | Bollinger, Butler, Cape Girardeau, Carter, Mississippi, New Madrid and 5 more | 13 hr |
| Sep 25, 4:59 AM CDT | Dense Fog Advisory | EAX | Adair, Caldwell, Carroll, Chariton, Cooper, Daviess and 9 more | 4 hr |
| Sep 25, 5:06 AM CDT | Dense Fog Advisory | LSX | Audrain, Boone, Callaway, Cole, Knox, Lewis and 9 more | 4 hr |
| Sep 27, 4:00 AM CDT | Lake Wind Advisory | PAH | Bollinger, Butler, Cape Girardeau, Carter, Mississippi, New Madrid and 5 more | 13 hr |
| Sep 30, 4:53 PM CDT | Areal Flood Advisory | SGF | Barton, Jasper, Vernon | 3 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 | 22 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 7 |
| Special Weather Statement | 31 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 1 |
| River Flood Warning | 4 |
| Flash Flood Watch | 2 |
| Areal Flood Advisory | 9 |
| Wind and dust | |
| Lake Wind Advisory | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bates County10
- Vernon County9
- Clay County8
- St. Clair County7
- Jackson County7
- Platte County7
- Cass County6
- Henry County6
- Clinton County6
- Carroll County6
- Cooper County6
- Daviess County6
- Bollinger County5
- Wayne County5
- Butler County5
- Benton County5
- Morgan County5
- Johnson County5
- Pettis County5
- DeKalb County5
- Adair County5
- Harrison County5
- Howard County5
- Lafayette County5
- Linn County5
- Livingston County5
- Randolph County5
- Ray County5
- Saline County5
- Saint Francois County4
- Madison County4
- Stoddard County4
- Cedar County4
- Jasper County4
- Carter County4
- Barry County4
- McDonald County4
- Newton County4
- Mercer County4
- Putnam County4
64 more counties
- Caldwell County4
- Chariton County4
- Grundy County4
- Macon County4
- Sullivan County4
- Washington County3
- Iron County3
- Barton County3
- Hickory County3
- Christian County3
- Howell County3
- Cape Girardeau County3
- Mississippi County3
- New Madrid County3
- Perry County3
- Ripley County3
- Scott County3
- Moniteau County3
- Pike County3
- Schuyler County3
- Worth County3
- Buchanan County3
- Gentry County3
- Ralls County3
- Reynolds County2
- Dade County2
- Polk County2
- Crawford County2
- Shannon County2
- Lawrence County2
- Stone County2
- Dunklin County2
- Callaway County2
- Cole County2
- Dallas County2
- Lincoln County2
- Montgomery County2
- Warren County2
- Greene County2
- Knox County2
- Lewis County2
- Audrain County2
- Monroe County2
- Marion County2
- Webster County2
- Dent County1
- Texas County1
- Camden County1
- Franklin County1
- Gasconade County1
- Jefferson County1
- Maries County1
- Miller County1
- Osage County1
- Saint Charles County1
- Saint Louis County1
- City of Saint Louis1
- Sainte Genevieve County1
- Pemiscot County1
- Andrew County1
- Douglas County1
- Wright County1
- Boone County1
- Shelby 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.