Alert archive / Illinois / Mesoscale Discussions in 2015
Mesoscale Discussion 1368
The Storm Prediction Center issued this mesoscale discussion at Jul 11, 2015, 3:56 PM CDT for 28 counties in Illinois; 6 counties in Indiana. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 11, 2015, 3:56 PM CDT (20:56 UTC)
- Expired
- Jul 11, 2015, 6:00 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 34 counties
Bond County, IL, Champaign County, IL, Christian County, IL, Clark County, IL, Clay County, IL, Coles County, IL, Crawford County, IL, Cumberland County, IL, DeWitt County, IL, Douglas County, IL, Edgar County, IL, Effingham County, IL, Fayette County, IL, Ford County, IL, Jasper County, IL, Lawrence County, IL, Macon County, IL, Macoupin County, IL, Marion County, IL, Montgomery County, IL, Moultrie County, IL, Piatt County, IL, Richland County, IL, Sangamon County, IL, Shelby County, IL, Vermilion County, IL, Wabash County, IL, Wayne County, IL, Clay County, IN, Knox County, IN, Parke County, IN, Sullivan County, IN, Vermillion County, IN, Vigo County, IN
The radar
The Lincoln radar (KILX), 110 km from the middle of the area, began a volume at 20:59 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, 8.9 hours before the alert went out and 80 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
- 935 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 53 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 12:33 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Cass, Champaign, Christian and 35 more | 87 min |
| Jul 11, 1:39 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Cass, Champaign, Christian, Coles, Cumberland and 26 more | 6 hr |
| Jul 11, 6:36 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 22 more | 84 min |
Nearby
Mesoscale Discussions in Illinois, 2015Mesoscale Discussions in Indiana, 2015Every mesoscale discussion in 2015
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.