Alert archive / Kentucky / Mesoscale Discussions in 2014
Mesoscale Discussion 1480
The Storm Prediction Center issued this mesoscale discussion at Jul 27, 2014, 11:19 AM EDT for 11 counties in Indiana; 67 counties in Kentucky. It was in force for 116 min.
The area
The outline as issued.
The facts
- Issued
- Jul 27, 2014, 11:19 AM EDT (15:19 UTC)
- Expired
- Jul 27, 2014, 1:15 PM EDT
- In force
- 116 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 40%
All 78 counties
Clark County, IN, Crawford County, IN, Dubois County, IN, Floyd County, IN, Harrison County, IN, Martin County, IN, Orange County, IN, Perry County, IN, Scott County, IN, Spencer County, IN, Washington County, IN, Adair County, KY, Allen County, KY, Anderson County, KY, Barren County, KY, Boyle County, KY, Breckinridge County, KY, Bullitt County, KY, Butler County, KY, Caldwell County, KY, Casey County, KY, Christian County, KY, Clay County, KY, Clinton County, KY, Crittenden 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, Hart County, KY, Henry County, KY, Hopkins County, KY, Jackson County, KY, Jefferson County, KY, Jessamine County, KY, Knox County, KY, Larue County, KY, Laurel County, KY, Leslie County, KY, Lincoln County, KY, Logan County, KY, Lyon County, KY, Madison County, KY, Marion County, KY, McCreary County, KY, McLean County, KY, Meade County, KY, Mercer County, KY, Metcalfe County, KY, Monroe County, KY, Muhlenberg County, KY, Nelson County, KY, Ohio County, KY, Oldham County, KY, Owsley County, KY, Pulaski County, KY, Rockcastle County, KY, Russell County, KY, Shelby County, KY, Simpson County, KY, Spencer County, KY, Taylor County, KY, Todd County, KY, Trigg County, KY, Trimble County, KY, Warren County, KY, Washington County, KY, Wayne County, KY, Webster County, KY, Whitley County, KY, Woodford County, KY
The radar
The Louisville radar (KLVX), 33 km from the middle of the area, began a volume at 15:23 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
Nashville Metro, TN (KBNA), launched 12:00Z, 3.3 hours before the alert went out and 180 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
- 1964 J/kg
- Mixed-layer CIN
- -89 J/kg
- Mixed-layer LCL
- 768 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 117 m²/s²
- 0-3 km storm-relative helicity
- 132 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 2.3
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 26, 9:11 PM EDT | Mesoscale Discussion | SPC | Bartholomew, Brown, Clark, Crawford, Daviess, Dearborn and 38 more | 64 min |
| Jul 27, 4:34 AM EDT | Mesoscale Discussion | SPC | Brown, Clark, Clay, Crawford, Daviess, Dubois and 20 more | 116 min |
| Jul 27, 1:39 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Allen, Blackford, Cass, DeKalb, Elkhart and 18 more | 6 hr |
| Jul 27, 1:44 PM EDT | Tornado Watch | SPC | Dearborn, Fayette, Franklin, Ohio, Ripley, Switzerland and 2 more | 9 hr |
| Jul 27, 2:39 PM EDT | Mesoscale Discussion | SPC | Bartholomew, Boone, Brown, Clay, Clinton, Fountain and 23 more | 66 min |
| Jul 27, 4:55 PM EDT | Mesoscale Discussion | SPC | Adams, Allen, Blackford, DeKalb, Elkhart, Grant and 9 more | 65 min |
| Jul 26, 9:41 PM EDT | Severe Thunderstorm Watch | SPC | Adair, Allen, Anderson, Barren, Bourbon, Boyle and 50 more | 3 hr |
| Jul 26, 11:29 PM EDT | Mesoscale Discussion | SPC | Adair, Allen, Anderson, Barren, Bourbon, Boyle and 54 more | 61 min |
| Jul 27, 1:00 PM EDT | Tornado Watch | SPC | Adair, Allen, Anderson, Barren, Bath, Bell and 65 more | 11 hr |
| Jul 27, 3:14 PM EDT | Mesoscale Discussion | SPC | Adair, Allen, Barren, Bath, Bell, Bourbon and 53 more | 2 hr |
| Jul 27, 7:28 PM EDT | Mesoscale Discussion | SPC | Adair, Allen, Anderson, Barren, Bath, Bell and 56 more | 92 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.