Alert archive / Missouri / Mesoscale Discussions in 2016
Mesoscale Discussion 1460
The Storm Prediction Center issued this mesoscale discussion at Jul 31, 2016, 11:18 PM CDT for 5 counties in Illinois; 54 counties in Missouri. It was in force for 117 min.
The area
The outline as issued.
The facts
- Issued
- Jul 31, 2016, 11:18 PM CDT (04:18 UTC)
- Expired
- Aug 1, 2016, 1:15 AM CDT
- In force
- 117 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 5%
All 59 counties
Calhoun County, IL, Jackson County, IL, Monroe County, IL, Randolph County, IL, Saint Clair County, IL, 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, Chariton County, MO, City of Saint Louis, MO, Clay County, MO, Clinton County, MO, Cole County, MO, Cooper County, MO, Crawford County, MO, Daviess County, MO, Dent County, MO, Franklin County, MO, Gasconade County, MO, Howard County, MO, Iron County, MO, Jefferson County, MO, Johnson County, MO, Lafayette County, MO, Lincoln County, MO, Linn County, MO, Livingston County, MO, Macon 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, Pulaski County, MO, Ralls County, MO, Randolph County, MO, Ray County, MO, Reynolds County, MO, Saint Charles County, MO, Saint Francois County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, Saline County, MO, Shelby County, MO, Warren County, MO, Washington County, MO
The radar
The St Louis radar (KLSX), 128 km from the middle of the area, began a volume at 04:17 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 00:00Z, 4.3 hours before the alert went out and 246 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
- 1282 J/kg
- Mixed-layer CIN
- -103 J/kg
- Mixed-layer LCL
- 1165 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 197 m²/s²
- 0-3 km storm-relative helicity
- 306 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.8
The text
As transmitted.
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Mesoscale Discussions in Missouri, 2016Mesoscale Discussions in Illinois, 2016Every mesoscale discussion in 2016
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.