Alert archive / Missouri / Mesoscale Discussions in 2024
Mesoscale Discussion 1649
The Storm Prediction Center issued this mesoscale discussion at Jul 16, 2024, 8:45 AM CDT for 15 counties in Illinois; Wyandotte County, Kansas; 51 counties in Missouri. It was in force for 90 min.
The area
The outline as issued.
The facts
- Issued
- Jul 16, 2024, 8:45 AM CDT (13:45 UTC)
- Expired
- Jul 16, 2024, 10:15 AM CDT
- In force
- 90 min
- Issued by
- the Storm Prediction Center
- Concerning
- Severe thunderstorm watch 545
All 67 counties
Alexander County, IL, Calhoun County, IL, Clinton County, IL, Greene County, IL, Jackson County, IL, Jersey County, IL, Madison County, IL, Monroe County, IL, Perry County, IL, Pike County, IL, Randolph County, IL, Saint Clair County, IL, Scott County, IL, Union County, IL, Washington County, IL, Wyandotte County, KS, Audrain County, MO, Benton County, MO, Bollinger County, MO, Boone County, MO, Caldwell County, MO, Callaway County, MO, Camden County, MO, Cape Girardeau County, MO, Carroll County, MO, Cass County, MO, Chariton County, MO, City of Saint Louis, MO, Clay County, MO, Clinton County, MO, Cole County, MO, Cooper County, MO, Crawford County, MO, Dent County, MO, Franklin County, MO, Gasconade County, MO, Howard County, MO, Iron County, MO, Jackson County, MO, Jefferson County, MO, Johnson County, MO, Lafayette County, MO, Lincoln County, MO, Madison County, MO, Maries County, MO, Miller County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Morgan County, MO, Osage County, MO, Perry County, MO, Pettis County, MO, Phelps County, MO, Pike County, MO, Platte County, MO, Pulaski County, MO, Ralls County, MO, Randolph County, MO, Ray County, MO, Saint Charles County, MO, Saint Francois County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, Saline County, MO, Warren County, MO, Washington County, MO
The radar
The St Louis radar (KLSX), 122 km from the middle of the area, began a volume at 13:48 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 nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 1.8 hours before the alert went out and 310 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 2320 J/kg
- Mixed-layer CIN
- -165 J/kg
- Mixed-layer LCL
- 1069 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 96 m²/s²
- 0-3 km storm-relative helicity
- 76 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.2
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 |
|---|---|---|---|---|
| Jul 15, 8:26 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Champaign, Cook, DeKalb, DeWitt and 23 more | 2 hr |
| Jul 15, 9:37 PM CDT | Mesoscale Discussion | SPC | Bond, Christian, Clark, Clay, Coles, Crawford and 8 more | 83 min |
| Jul 15, 9:59 PM CDT | Severe Thunderstorm Watch | SPC | Christian, Clark, Coles, Crawford, Cumberland, Douglas and 5 more | 3 hr |
| Jul 15, 10:13 PM CDT | Mesoscale Discussion | SPC | Iroquois | 2 hr |
| Jul 16, 12:02 PM CDT | Mesoscale Discussion | SPC | Alexander, Jackson, Johnson, Monroe, Perry, Pulaski and 4 more | 88 min |
| Jul 16, 3:38 AM CDT | Mesoscale Discussion | SPC | Barton, Clay, Cloud, Dickinson, Ellis, Ellsworth and 13 more | 3 hr |
| Jul 16, 4:00 AM CDT | Severe Thunderstorm Watch | SPC | Brown, Clay, Cloud, Dickinson, Douglas, Ellsworth and 17 more | 5 hr |
| Jul 16, 6:46 AM CDT | Mesoscale Discussion | SPC | Atchison, Brown, Clay, Doniphan, Douglas, Geary and 9 more | 119 min |
| Jul 16, 7:11 AM CDT | Severe Thunderstorm Watch | SPC | Atchison, Doniphan, Johnson, Leavenworth, Wyandotte | 4 hr |
| Jul 16, 2:40 PM CDT | Mesoscale Discussion | SPC | Cloud, Decatur, Graham, Jewell, Mitchell, Norton and 6 more | 2 hr |
| Jul 16, 3:49 PM CDT | Mesoscale Discussion | SPC | Grant, Greeley, Hamilton, Haskell, Kearny, Morton and 3 more | 116 min |
| Jul 16, 5:11 PM CDT | Severe Thunderstorm Watch | SPC | Decatur, Ellis, Graham, Jewell, Mitchell, Norton and 7 more | 5 hr |
| Jul 16, 6:11 PM CDT | Severe Thunderstorm Watch | SPC | Clark, Comanche, Edwards, Finney, Ford, Grant and 11 more | 7 hr |
Nearby
Mesoscale Discussions in Missouri, 2024Mesoscale Discussions in Illinois, 2024Mesoscale Discussions in Kansas, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.