Alert archive / Illinois / Mesoscale Discussions in 2016
Mesoscale Discussion 1390
The Storm Prediction Center issued this mesoscale discussion at Jul 24, 2016, 5:42 PM CDT for 16 counties in Illinois; 16 counties in Indiana; Berrien County, Cass County, Van Buren County, Michigan. It was in force for 93 min.
The area
The outline as issued.
The facts
- Issued
- Jul 24, 2016, 5:42 PM CDT (22:42 UTC)
- Expired
- Jul 24, 2016, 7:15 PM CDT
- In force
- 93 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 40%
All 35 counties
Champaign County, IL, Cook County, IL, DuPage County, IL, Ford County, IL, Grundy County, IL, Iroquois County, IL, Kankakee County, IL, Kendall County, IL, Lake County, IL, LaSalle County, IL, Livingston County, IL, Marshall County, IL, McLean County, IL, Vermilion County, IL, Will County, IL, Woodford County, IL, Benton County, IN, Carroll County, IN, Cass County, IN, Fulton County, IN, Jasper County, IN, Lake County, IN, LaPorte County, IN, Marshall County, IN, Newton County, IN, Porter County, IN, Pulaski County, IN, Saint Joseph County, IN, Starke County, IN, Tippecanoe County, IN, Warren County, IN, White County, IN, Berrien County, MI, Cass County, MI, Van Buren County, MI
The radar
The Chicago radar (KLOT), 65 km from the middle of the area, began a volume at 22:44 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, 10.7 hours before the alert went out and 133 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
- 1677 J/kg
- Mixed-layer CIN
- -117 J/kg
- Mixed-layer LCL
- 1136 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 28 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 |
|---|---|---|---|---|
| Jul 23, 8:35 PM CDT | Mesoscale Discussion | SPC | Bureau, Cook, DeKalb, DuPage, Kane, Kendall and 4 more | 85 min |
| Jul 24, 2:25 PM CDT | Mesoscale Discussion | SPC | Boone, Cook, DeKalb, DuPage, Grundy, Kane and 5 more | 3 hr |
| Jul 24, 6:03 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Fulton, Hancock, Knox and 9 more | 87 min |
| Jul 24, 10:08 AM CDT | Mesoscale Discussion | SPC | Lake, Mason, Newaygo, Oceana | 97 min |
Nearby
Mesoscale Discussions in Illinois, 2016Mesoscale Discussions in Indiana, 2016Mesoscale Discussions in Michigan, 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.