Alert archive / Missouri / Mesoscale Discussions in 2024
Mesoscale Discussion 481
The Storm Prediction Center issued this mesoscale discussion at Apr 18, 2024, 12:08 PM CDT for 23 counties in Illinois; 38 counties in Missouri. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 18, 2024, 12:08 PM CDT (17:08 UTC)
- Expired
- Apr 18, 2024, 2:15 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Concerning
- Severe potential...watch likely
- Chance of a watch
- 80%
All 61 counties
Bond County, IL, Calhoun County, IL, Christian County, IL, Clay County, IL, Clinton County, IL, Effingham County, IL, Fayette County, IL, Franklin County, IL, Greene County, IL, Jackson County, IL, Jefferson County, IL, Jersey County, IL, Macoupin County, IL, Madison County, IL, Marion County, IL, Monroe County, IL, Montgomery County, IL, Perry County, IL, Randolph County, IL, Saint Clair County, IL, Shelby County, IL, Washington County, IL, Wayne County, IL, Benton County, MO, Boone County, MO, Callaway County, MO, Camden County, MO, Cedar County, MO, City of Saint Louis, MO, Cole County, MO, Cooper County, MO, Crawford County, MO, Dade County, MO, Dallas County, MO, Dent County, MO, Franklin County, MO, Gasconade County, MO, Henry County, MO, Hickory County, MO, Iron County, MO, Jefferson County, MO, Laclede County, MO, Lincoln County, MO, Maries County, MO, Miller County, MO, Moniteau County, MO, Montgomery County, MO, Morgan County, MO, Osage County, MO, Perry County, MO, Pettis County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, Saint Charles County, MO, Saint Francois County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, St. Clair County, MO, Warren County, MO, Washington County, MO
The radar
The St Louis radar (KLSX), 105 km from the middle of the area, began a volume at 17:10 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 18, 12:56 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Bond, Calhoun, Christian, Clay, Clinton and 35 more | 8 hr |
| Apr 18, 3:09 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Calhoun, Christian, Clay, Clinton and 28 more | 2 hr |
| Apr 18, 4:48 PM CDT | Mesoscale Discussion | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 14 more | 87 min |
| Apr 18, 6:12 PM CDT | Mesoscale Discussion | SPC | Bond, Champaign, Christian, Clark, Clay, Clinton and 37 more | 93 min |
| Apr 18, 6:36 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Clark, Coles, Crawford, Cumberland, Edgar and 21 more | 6 hr |
| Apr 17, 8:31 PM CDT | Mesoscale Discussion | SPC | Andrew, Buchanan, Cass, Clay, Clinton, DeKalb and 4 more | 2 hr |
| Apr 17, 11:41 PM CDT | Severe Thunderstorm Watch | SPC | Andrew, Buchanan, Caldwell, Cass, Clay, Clinton and 7 more | 6 hr |
| Apr 18, 2:00 AM CDT | Mesoscale Discussion | SPC | Cass, Clay, Jackson, Platte | 90 min |
| Apr 18, 3:25 AM CDT | Mesoscale Discussion | SPC | Buchanan, Caldwell, Carroll, Cass, Clay, Clinton and 8 more | 95 min |
Nearby
Mesoscale Discussions in Missouri, 2024Mesoscale Discussions in Illinois, 2024Every mesoscale discussion in 2024
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.