Alert archive / Illinois / Mesoscale Discussions in 2008
Mesoscale Discussion 1189
The Storm Prediction Center issued this mesoscale discussion at Jun 3, 2008, 9:26 PM CDT for 30 counties in Illinois. It was in force for 94 min.
The area
The outline as issued.
The facts
- Issued
- Jun 3, 2008, 9:26 PM CDT (02:26 UTC)
- Expired
- Jun 3, 2008, 11:00 PM CDT
- In force
- 94 min
- Issued by
- the Storm Prediction Center
All 30 counties
Brown County, IL, Calhoun County, IL, Cass County, IL, Champaign County, IL, Christian County, IL, Coles County, IL, Cumberland County, IL, DeWitt County, IL, Douglas County, IL, Fayette County, IL, Ford County, IL, Fulton County, IL, Greene County, IL, Jersey 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, Pike County, IL, Sangamon County, IL, Schuyler County, IL, Scott County, IL, Shelby County, IL, Tazewell County, IL
The radar
The Lincoln radar (KILX), 45 km from the middle of the area, began a volume at 02:28 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, 2.4 hours before the alert went out and 84 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
- 2538 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 775 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 207 m²/s²
- 0-3 km storm-relative helicity
- 240 m²/s²
- Significant tornado parameter
- 3.9
- Supercell composite
- 14.4
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 |
|---|---|---|---|---|
| Jun 3, 11:34 PM CDT | Mesoscale Discussion | SPC | Calhoun, Cass, Champaign, Christian, Clark, Coles and 33 more | 86 min |
| Jun 4, 1:29 AM CDT | Mesoscale Discussion | SPC | Alexander, Clay, Clinton, Edwards, Franklin, Gallatin and 22 more | 91 min |
| Jun 4, 2:06 AM CDT | Tornado Watch | SPC | Alexander, Bond, Champaign, Christian, Clark, Clay and 46 more | 5 hr |
| Jun 4, 6:09 AM CDT | Mesoscale Discussion | SPC | Alexander, Crawford, Gallatin, Hardin, Johnson, Lawrence and 7 more | 2 hr |
| Jun 4, 1:39 PM CDT | Mesoscale Discussion | SPC | Champaign, Clark, Coles, Crawford, Cumberland, Douglas and 7 more | 96 min |
| Jun 4, 5:51 PM CDT | Mesoscale Discussion | SPC | Bureau, Carroll, Champaign, DeKalb, Ford, Grundy and 23 more | 84 min |
Nearby
Mesoscale Discussions in Illinois, 2008Every mesoscale discussion in 2008
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.