Alert archive / Kentucky / Mesoscale Discussions in 2014
Mesoscale Discussion 648
The Storm Prediction Center issued this mesoscale discussion at May 21, 2014, 9:27 PM EDT for 13 counties in Indiana; 66 counties in Kentucky. It was in force for 93 min.
The area
The outline as issued.
The facts
- Issued
- May 21, 2014, 9:27 PM EDT (01:27 UTC)
- Expired
- May 21, 2014, 11:00 PM EDT
- In force
- 93 min
- Issued by
- the Storm Prediction Center
All 79 counties
Clark County, IN, Crawford County, IN, Dubois County, IN, Floyd County, IN, Harrison County, IN, Orange County, IN, Perry County, IN, Posey County, IN, Scott County, IN, Spencer County, IN, Vanderburgh County, IN, Warrick County, IN, Washington County, IN, Adair County, KY, Anderson County, KY, Barren County, KY, Bell County, KY, Boyle County, KY, Breathitt County, KY, Breckinridge County, KY, Bullitt County, KY, Butler County, KY, Casey County, KY, Clark County, KY, Clay County, KY, Clinton County, KY, Cumberland County, KY, Daviess County, KY, Edmonson County, KY, Estill County, KY, Fayette County, KY, Franklin County, KY, Garrard County, KY, Grayson County, KY, Green County, KY, Hancock County, KY, Hardin County, KY, Harlan County, KY, Hart County, KY, Henderson County, KY, Jackson County, KY, Jefferson County, KY, Jessamine County, KY, Knott County, KY, Knox County, KY, Larue County, KY, Laurel County, KY, Lee County, KY, Leslie County, KY, Lincoln County, KY, Madison County, KY, Magoffin County, KY, Marion County, KY, McCreary County, KY, McLean County, KY, Meade County, KY, Menifee County, KY, Mercer County, KY, Metcalfe County, KY, Montgomery County, KY, Morgan County, KY, Nelson County, KY, Ohio County, KY, Oldham County, KY, Owsley County, KY, Perry County, KY, Powell County, KY, Pulaski County, KY, Rockcastle County, KY, Russell County, KY, Shelby County, KY, Spencer County, KY, Taylor County, KY, Trimble County, KY, Washington County, KY, Wayne County, KY, Whitley County, KY, Wolfe County, KY, Woodford County, KY
The radar
The Louisville radar (KLVX), 56 km from the middle of the area, began a volume at 01:29 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 00:00Z, 1.5 hours before the alert went out and 212 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
- 8 J/kg
- Mixed-layer CIN
- -248 J/kg
- Mixed-layer LCL
- 1424 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- -9 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 |
|---|---|---|---|---|
| May 21, 8:28 PM EDT | Severe Thunderstorm Watch | SPC | Clay, Daviess, Greene, Knox, Lawrence, Martin and 7 more | 7 hr |
| May 22, 12:39 AM EDT | Mesoscale Discussion | SPC | Bartholomew, Brown, Clark, Clay, Crawford, Daviess and 16 more | 96 min |
| May 22, 3:53 AM EDT | Mesoscale Discussion | SPC | Crawford, Dubois, Floyd, Harrison, Orange, Perry and 2 more | 97 min |
| May 22, 3:09 PM EDT | Mesoscale Discussion | SPC | Adair, Allen, Barren, Bell, Butler, Caldwell and 43 more | 2 hr |
| May 22, 3:33 PM EDT | Severe Thunderstorm Watch | SPC | Adair, Allen, Ballard, Barren, Butler, Caldwell and 26 more | 5 hr |
| May 22, 7:47 PM EDT | Mesoscale Discussion | SPC | Calloway, Carlisle, Christian, Graves, Logan, Lyon and 4 more | 88 min |
Nearby
Mesoscale Discussions in Kentucky, 2014Mesoscale Discussions in Indiana, 2014Every mesoscale discussion in 2014
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.