Alert archive / Illinois / Mesoscale Discussions in 2016
Mesoscale Discussion 81
The Storm Prediction Center issued this mesoscale discussion at Feb 2, 2016, 6:19 PM CST for 31 counties in Illinois; 14 counties in Indiana. It was in force for 116 min.
The area
The outline as issued.
The facts
- Issued
- Feb 2, 2016, 6:19 PM CST (00:19 UTC)
- Expired
- Feb 2, 2016, 8:15 PM CST
- In force
- 116 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 45 counties
Bond County, IL, Champaign County, IL, Christian County, IL, Clark County, IL, Clay County, IL, Clinton County, IL, Coles County, IL, Crawford County, IL, Cumberland County, IL, Douglas County, IL, Edgar County, IL, Edwards County, IL, Effingham County, IL, Fayette County, IL, Ford County, IL, Iroquois County, IL, Jasper County, IL, Jefferson County, IL, Lawrence County, IL, Macon County, IL, Marion County, IL, Montgomery County, IL, Moultrie County, IL, Piatt County, IL, Richland County, IL, Saint Clair County, IL, Shelby County, IL, Vermilion County, IL, Wabash County, IL, Washington County, IL, Wayne County, IL, Benton County, IN, Carroll County, IN, Clay County, IN, Fountain County, IN, Knox County, IN, Montgomery County, IN, Parke County, IN, Putnam County, IN, Sullivan County, IN, Tippecanoe County, IN, Vermillion County, IN, Vigo County, IN, Warren County, IN, White County, IN
The radar
The Evansville,IN radar (KVWX), 125 km from the middle of the area, began a volume at 00:19 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 00:00Z, 0.3 hours before the alert went out and 102 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
- 1004 m above ground
- 0-6 km bulk shear
- 117 kt
- 0-1 km storm-relative helicity
- -143 m²/s²
- 0-3 km storm-relative helicity
- 133 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 |
|---|---|---|---|---|
| Feb 2, 6:13 PM CST | Mesoscale Discussion | SPC | Gallatin, Hardin, Massac, Pope, Saline | 2 hr |
Nearby
Mesoscale Discussions in Illinois, 2016Mesoscale Discussions in Indiana, 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.