Alert archive / Kentucky / Mesoscale Discussions in 2011
Mesoscale Discussion 1315
The Storm Prediction Center issued this mesoscale discussion at Jun 20, 2011, 9:53 AM EDT for 6 states. It was in force for 97 min.
The area
The outline as issued.
The facts
- Issued
- Jun 20, 2011, 9:53 AM EDT (13:53 UTC)
- Expired
- Jun 20, 2011, 11:30 AM EDT
- In force
- 97 min
- Issued by
- the Storm Prediction Center
All 120 counties
Bartholomew County, IN, Brown County, IN, Dearborn County, IN, Decatur County, IN, Fayette County, IN, Franklin County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Jefferson County, IN, Jennings County, IN, Johnson County, IN, Madison County, IN, Marion County, IN, Morgan County, IN, Ohio County, IN, Ripley County, IN, Rush County, IN, Scott County, IN, Shelby County, IN, Switzerland County, IN, Union County, IN, Wayne County, IN, Anderson County, KY, Bath County, KY, Bell County, KY, Boone County, KY, Bourbon County, KY, Boyle County, KY, Bracken County, KY, Breathitt County, KY, Campbell County, KY, Carroll County, KY, Carter County, KY, Clark County, KY, Clay County, KY, Elliott County, KY, Estill County, KY, Fayette County, KY, Fleming County, KY, Floyd County, KY, Franklin County, KY, Gallatin County, KY, Garrard County, KY, Grant County, KY, Greenup County, KY, Harlan County, KY, Harrison County, KY, Henry County, KY, Jackson County, KY, Jessamine County, KY, Johnson County, KY, Kenton County, KY, Knott County, KY, Knox County, KY, Laurel County, KY, Lawrence County, KY, Lee County, KY, Leslie County, KY, Letcher County, KY, Lewis County, KY, Lincoln County, KY, Madison County, KY, Magoffin County, KY, Mason County, KY, Menifee County, KY, Mercer County, KY, Montgomery County, KY, Morgan County, KY, Nicholas County, KY, Oldham County, KY, Owen County, KY, Owsley County, KY, Pendleton County, KY, Perry County, KY, Pike County, KY, Powell County, KY, Robertson County, KY, Rockcastle County, KY, Rowan County, KY, Scott County, KY, Shelby County, KY, Trimble County, KY, Whitley County, KY, Wolfe County, KY, Woodford County, KY, Madison County, NC, Mitchell County, NC, Yancey County, NC, Adams County, OH, Brown County, OH, Butler County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Fayette County, OH, Greene County, OH, Hamilton County, OH, Highland County, OH, Montgomery County, OH, Preble County, OH, Scioto County, OH, Warren County, OH, Carter County, TN, Claiborne County, TN, Grainger County, TN, Greene County, TN, Hamblen County, TN, Hancock County, TN, Hawkins County, TN, Sullivan County, TN, Unicoi County, TN, Washington County, TN, City of Bristol, VA, City of Norton, VA, Dickenson County, VA, Lee County, VA, Scott County, VA, Wise County, VA
The radar
The Jackson,KY radar (KJKL), 110 km from the middle of the area, began a volume at 13:56 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, 1.9 hours before the alert went out and 128 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
- 146 J/kg
- Mixed-layer CIN
- -222 J/kg
- Mixed-layer LCL
- 1072 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 94 m²/s²
- 0-3 km storm-relative helicity
- 208 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
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 20, 5:08 AM EDT | Mesoscale Discussion | SPC | Vermillion | 67 min |
| Jun 20, 2:04 PM EDT | Mesoscale Discussion | SPC | Benton, Blackford, Boone, Brown, Carroll, Clay and 30 more | 56 min |
| Jun 20, 12:46 PM EDT | Mesoscale Discussion | SPC | Bath, Boyd, Breathitt, Carter, Elliott, Fleming and 22 more | 59 min |
| Jun 19, 9:07 PM EDT | Mesoscale Discussion | SPC | Cherokee, Clay, Graham, Haywood, Jackson, Macon and 1 more | 53 min |
| Jun 19, 9:41 PM EDT | Severe Thunderstorm Watch | SPC | Buncombe, Cherokee, Clay, Graham, Haywood, Henderson and 5 more | 5 hr |
| Jun 20, 2:36 PM EDT | Mesoscale Discussion | SPC | Alamance, Caswell, Orange | 54 min |
Nearby
Mesoscale Discussions in Kentucky, 2011Mesoscale Discussions in Indiana, 2011Mesoscale Discussions in Ohio, 2011Every mesoscale discussion in 2011
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.