Alert archive / Missouri / Mesoscale Discussions in 2020
Mesoscale Discussion 1652
The Storm Prediction Center issued this mesoscale discussion at Aug 31, 2020, 11:04 AM CDT for 32 counties in Missouri. It was in force for 86 min.
The area
The outline as issued.
The facts
- Issued
- Aug 31, 2020, 11:04 AM CDT (16:04 UTC)
- Expired
- Aug 31, 2020, 12:30 PM CDT
- In force
- 86 min
- Issued by
- the Storm Prediction Center
- Concerning
- Severe thunderstorm watch 478...479
All 32 counties
Barton County, MO, Benton County, MO, Callaway County, MO, Camden County, MO, Cedar County, MO, Cole County, MO, Crawford County, MO, Dade County, MO, Dallas County, MO, Dent County, MO, Franklin County, MO, Gasconade County, MO, Greene County, MO, Hickory County, MO, Jefferson County, MO, Laclede County, MO, Maries County, MO, Miller County, MO, Moniteau County, MO, Montgomery County, MO, Morgan County, MO, Osage County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, Saint Charles County, MO, Saint Louis County, MO, St. Clair County, MO, Vernon County, MO, Warren County, MO, Washington County, MO, Webster County, MO
The radar
The Springfield radar (KSGF), 105 km from the middle of the area, began a volume at 16:06 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
Springfield, MO (KSGF), launched 12:00Z, 4.1 hours before the alert went out and 156 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
- 2773 J/kg
- Mixed-layer CIN
- -33 J/kg
- Mixed-layer LCL
- 710 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 156 m²/s²
- 0-3 km storm-relative helicity
- 184 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 7.9
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 |
|---|---|---|---|---|
| Aug 31, 4:18 AM CDT | Mesoscale Discussion | SPC | Barton, Jasper, McDonald, Newton | 117 min |
| Aug 31, 4:56 AM CDT | Mesoscale Discussion | SPC | Andrew, Bates, Buchanan, Cass, Clay, Clinton and 7 more | 2 hr |
| Aug 31, 8:41 AM CDT | Severe Thunderstorm Watch | SPC | Barry, Barton, Bates, Benton, Camden, Cass and 32 more | 5 hr |
| Aug 31, 10:50 AM CDT | Severe Thunderstorm Watch | SPC | Crawford, Franklin, Gasconade, Iron, Jefferson, Madison and 4 more | 3 hr |
| Aug 31, 12:16 PM CDT | Mesoscale Discussion | SPC | Dunklin, Pemiscot | 89 min |
| Aug 31, 12:43 PM CDT | Mesoscale Discussion | SPC | Barry, Barton, Bollinger, Butler, Cape Girardeau, Carter and 36 more | 92 min |
Nearby
Mesoscale Discussions in Missouri, 2020Every mesoscale discussion in 2020
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.