Alert archive / Illinois / Mesoscale Discussions in 2016
Mesoscale Discussion 1265
The Storm Prediction Center issued this mesoscale discussion at Jul 13, 2016, 2:10 PM CDT for 35 counties in Illinois; Sainte Genevieve County, City of Saint Louis, Missouri. It was in force for 65 min.
The area
The outline as issued.
The facts
- Issued
- Jul 13, 2016, 2:10 PM CDT (19:10 UTC)
- Expired
- Jul 13, 2016, 3:15 PM CDT
- In force
- 65 min
- Issued by
- the Storm Prediction Center
All 37 counties
Bond County, IL, Bureau County, IL, Cass County, IL, Christian County, IL, Clinton County, IL, DeWitt County, IL, Effingham County, IL, Fayette County, IL, Fulton County, IL, Henry County, IL, Knox County, IL, Logan County, IL, Macon County, IL, Macoupin County, IL, Madison County, IL, Marion County, IL, Marshall County, IL, Mason County, IL, McLean County, IL, Menard County, IL, Monroe County, IL, Montgomery County, IL, Morgan County, IL, Moultrie County, IL, Peoria County, IL, Piatt County, IL, Putnam County, IL, Randolph County, IL, Saint Clair County, IL, Sangamon County, IL, Shelby County, IL, Stark County, IL, Tazewell County, IL, Washington County, IL, Woodford County, IL, City of Saint Louis, MO, Sainte Genevieve County, MO
The radar
The Lincoln radar (KILX), 65 km from the middle of the area, began a volume at 19:13 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 watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 7.2 hours before the alert went out and 108 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
- 1355 J/kg
- Mixed-layer CIN
- -83 J/kg
- Mixed-layer LCL
- 1044 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 93 m²/s²
- 0-3 km storm-relative helicity
- 138 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 13, 11:14 AM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Calhoun, Hancock, Pike | 5 hr |
| Jul 13, 2:03 PM CDT | Mesoscale Discussion | SPC | Clark, Crawford, Edgar, Vermilion | 87 min |
| Jul 13, 2:37 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Bureau, Cass, Champaign, Christian, Clark and 76 more | 5 hr |
| Jul 13, 5:08 PM CDT | Mesoscale Discussion | SPC | Alexander, Champaign, Christian, Clark, Clay, Clinton and 43 more | 2 hr |
| Jul 13, 8:07 AM CDT | Severe Thunderstorm Watch | SPC | Andrew, Bates, Buchanan, Cass, Clay, Clinton and 5 more | 5 hr |
| Jul 13, 10:33 AM CDT | Mesoscale Discussion | SPC | Adair, Boone, Caldwell, Carroll, Chariton, Cooper and 23 more | 117 min |
| Jul 13, 6:57 PM CDT | Mesoscale Discussion | SPC | Barry, Barton, Cedar, Christian, Dade, Dallas and 12 more | 3 hr |
Nearby
Mesoscale Discussions in Illinois, 2016Mesoscale Discussions in Missouri, 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.