Alert archive / Kentucky / Mesoscale Discussions in 2012
Mesoscale Discussion 1440
The Storm Prediction Center issued this mesoscale discussion at Jul 8, 2012, 6:08 PM CDT for 5 states. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 8, 2012, 6:08 PM CDT (23:08 UTC)
- Expired
- Jul 8, 2012, 9:15 PM CDT
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
All 113 counties
Alexander County, IL, Franklin County, IL, Gallatin County, IL, Hardin County, IL, Jackson County, IL, Johnson County, IL, Massac County, IL, Perry County, IL, Pope County, IL, Pulaski County, IL, Randolph County, IL, Saline County, IL, Union County, IL, Williamson County, IL, Adair County, KY, Allen County, KY, Ballard County, KY, Barren County, KY, Bath County, KY, Bourbon County, KY, Boyd County, KY, Boyle County, KY, Breathitt County, KY, Butler County, KY, Caldwell County, KY, Carter County, KY, Casey County, KY, Christian County, KY, Clark County, KY, Clay County, KY, Clinton County, KY, Crittenden County, KY, Cumberland County, KY, Daviess County, KY, Edmonson County, KY, Elliott County, KY, Estill County, KY, Fayette County, KY, Fleming County, KY, Floyd County, KY, Garrard County, KY, Grayson County, KY, Green County, KY, Hart County, KY, Henderson County, KY, Hopkins County, KY, Jackson County, KY, Jessamine County, KY, Johnson County, KY, Knott County, KY, Knox County, KY, Larue County, KY, Laurel County, KY, Lawrence County, KY, Lee County, KY, Leslie County, KY, Letcher County, KY, Lewis County, KY, Lincoln County, KY, Livingston County, KY, Logan County, KY, Lyon County, KY, Madison County, KY, Magoffin County, KY, Marion County, KY, Marshall County, KY, Martin County, KY, McCracken County, KY, McCreary County, KY, McLean County, KY, Menifee County, KY, Mercer County, KY, Metcalfe County, KY, Monroe County, KY, Montgomery County, KY, Morgan County, KY, Muhlenberg County, KY, Nicholas County, KY, Ohio County, KY, Owsley County, KY, Perry County, KY, Pike County, KY, Powell County, KY, Pulaski County, KY, Rockcastle County, KY, Rowan County, KY, Russell County, KY, Simpson County, KY, Taylor County, KY, Todd County, KY, Trigg County, KY, Union County, KY, Warren County, KY, Washington County, KY, Wayne County, KY, Webster County, KY, Wolfe County, KY, Woodford County, KY, Bollinger County, MO, Cape Girardeau County, MO, Perry County, MO, Sainte Genevieve County, MO, Clay County, TN, Jackson County, TN, Macon County, TN, Montgomery County, TN, Pickett County, TN, Robertson County, TN, Sumner County, TN, Trousdale County, TN, Logan County, WV, Mingo County, WV, Wayne County, WV
The radar
The Louisville radar (KLVX), 82 km from the middle of the area, began a volume at 23:08 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
Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.1 hours before the alert went out and 214 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
- 2132 J/kg
- Mixed-layer CIN
- -125 J/kg
- Mixed-layer LCL
- 1196 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.4
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 8, 12:14 PM CDT | Mesoscale Discussion | SPC | Edwards, Franklin, Gallatin, Hamilton, Lawrence, Saline and 4 more | 91 min |
| Jul 8, 12:29 PM CDT | Mesoscale Discussion | SPC | Boyd, Lawrence, Martin | 61 min |
| Jul 8, 12:44 PM CDT | Severe Thunderstorm Watch | SPC | Boyd, Carter, Greenup, Lawrence | 8 hr |
| Jul 8, 1:48 PM CDT | Severe Thunderstorm Watch | SPC | Anderson, Bath, Boone, Bourbon, Boyle, Bracken and 56 more | 6 hr |
| Jul 8, 3:41 PM CDT | Mesoscale Discussion | SPC | Anderson, Bath, Boone, Bourbon, Boyle, Bracken and 55 more | 64 min |
| Jul 8, 11:30 AM CDT | Mesoscale Discussion | SPC | Andrew, Buchanan, Caldwell, Carroll, Chariton, Clay and 12 more | 3 hr |
| Jul 8, 11:47 AM CDT | Mesoscale Discussion | SPC | Berkeley, Grant, Hampshire, Hardy, Jefferson, Morgan and 3 more | 88 min |
| Jul 8, 3:21 PM CDT | Mesoscale Discussion | SPC | Barbour, Boone, Braxton, Cabell, Calhoun, Clay and 29 more | 54 min |
Nearby
Mesoscale Discussions in Kentucky, 2012Mesoscale Discussions in Illinois, 2012Mesoscale Discussions in Tennessee, 2012Every mesoscale discussion in 2012
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.