Alert archive / Illinois / Mesoscale Discussions in 2015
Mesoscale Discussion 1444
The Storm Prediction Center issued this mesoscale discussion at Jul 16, 2015, 9:55 PM CDT for 31 counties in Illinois; Fountain County, Vermillion County, Warren County, Indiana. It was in force for 110 min.
The area
The outline as issued.
The facts
- Issued
- Jul 16, 2015, 9:55 PM CDT (02:55 UTC)
- Expired
- Jul 16, 2015, 11:45 PM CDT
- In force
- 110 min
- Issued by
- the Storm Prediction Center
All 34 counties
Brown County, IL, Cass County, IL, Champaign County, IL, Christian County, IL, Coles County, IL, Cumberland County, IL, DeWitt County, IL, Douglas County, IL, Edgar County, IL, Fayette County, IL, Ford County, IL, Greene County, IL, Iroquois County, IL, Livingston County, IL, Logan County, IL, Macon County, IL, Macoupin County, IL, Mason County, IL, McLean County, IL, Menard County, IL, Montgomery County, IL, Morgan County, IL, Moultrie County, IL, Piatt County, IL, Sangamon County, IL, Schuyler County, IL, Scott County, IL, Shelby County, IL, Tazewell County, IL, Vermilion County, IL, Woodford County, IL, Fountain County, IN, Vermillion County, IN, Warren County, IN
The radar
The Lincoln radar (KILX), 26 km from the middle of the area, began a volume at 02:58 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, 2.9 hours before the alert went out and 46 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
- 836 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 899 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 210 m²/s²
- 0-3 km storm-relative helicity
- 283 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 9.4
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 16, 7:58 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Cass, Champaign, DeWitt and 35 more | 92 min |
| Jul 16, 11:04 PM CDT | Mesoscale Discussion | SPC | DeWitt, Ford, Iroquois, Livingston, Logan, McLean and 2 more | 26 min |
| Jul 17, 2:27 PM CDT | Mesoscale Discussion | SPC | Bartholomew, Blackford, Boone, Brown, Carroll, Clark and 43 more | 63 min |
| Jul 17, 5:54 PM CDT | Mesoscale Discussion | SPC | Adams, Allen, Bartholomew, Benton, Blackford, Boone and 68 more | 3 hr |
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.