Alert archive / Missouri / Mesoscale Discussions in 2022
Mesoscale Discussion 752
The Storm Prediction Center issued this mesoscale discussion at May 13, 2022, 5:22 PM CDT for 8 counties in Arkansas; 19 counties in Illinois; 25 counties in Missouri. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- May 13, 2022, 5:22 PM CDT (22:22 UTC)
- Expired
- May 13, 2022, 7:45 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Concerning
- Severe potential...watch unlikely
- Chance of a watch
- 20%
All 52 counties
Clay County, AR, Fulton County, AR, Greene County, AR, Independence County, AR, Jackson County, AR, Lawrence County, AR, Randolph County, AR, Sharp County, AR, Adams County, IL, Brown County, IL, Calhoun County, IL, Cass County, IL, Fulton County, IL, Greene County, IL, Henderson County, IL, Jersey County, IL, Knox County, IL, Mason County, IL, McDonough County, IL, Monroe County, IL, Morgan County, IL, Peoria County, IL, Pike County, IL, Schuyler County, IL, Scott County, IL, Stark County, IL, Warren County, IL, Butler County, MO, Carter County, MO, City of Saint Louis, MO, Crawford County, MO, Dent County, MO, Franklin County, MO, Gasconade County, MO, Iron County, MO, Jefferson County, MO, Lincoln County, MO, Madison County, MO, Montgomery County, MO, Oregon County, MO, Phelps County, MO, Pike County, MO, Reynolds County, MO, Ripley County, MO, Saint Charles County, MO, Saint Francois County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, Shannon County, MO, Warren County, MO, Washington County, MO, Wayne County, MO
The radar
The St Louis radar (KLSX), 34 km from the middle of the area, began a volume at 22:22 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
Lincoln, IL (KILX), launched 12:00Z, 10.4 hours before the alert went out and 220 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2076 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 96 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 |
|---|---|---|---|---|
| May 13, 12:37 PM CDT | Mesoscale Discussion | SPC | Clay, Craighead, Crittenden, Cross, Desha, Greene and 5 more | 2 hr |
| May 13, 2:53 PM CDT | Mesoscale Discussion | SPC | Bureau, Carroll, Henry, Lee, Ogle, Stark and 3 more | 97 min |
Nearby
Mesoscale Discussions in Missouri, 2022Mesoscale Discussions in Illinois, 2022Mesoscale Discussions in Arkansas, 2022Every mesoscale discussion in 2022
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.