Alert archive / Kentucky / Mesoscale Discussions in 2014
Mesoscale Discussion 1820
The Storm Prediction Center issued this mesoscale discussion at Oct 6, 2014, 7:57 PM EDT for 12 counties in Indiana; 45 counties in Kentucky. It was in force for 63 min.
The area
The outline as issued.
The facts
- Issued
- Oct 6, 2014, 7:57 PM EDT (23:57 UTC)
- Expired
- Oct 6, 2014, 9:00 PM EDT
- In force
- 63 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 57 counties
Clark County, IN, Crawford County, IN, Floyd County, IN, Harrison County, IN, Jefferson County, IN, Ohio County, IN, Orange County, IN, Perry County, IN, Scott County, IN, Spencer County, IN, Switzerland County, IN, Washington County, IN, Anderson County, KY, Boone County, KY, Bourbon County, KY, Boyle County, KY, Bracken County, KY, Breckinridge County, KY, Bullitt County, KY, Butler County, KY, Carroll County, KY, Daviess County, KY, Edmonson County, KY, Fayette County, KY, Franklin County, KY, Gallatin County, KY, Grant County, KY, Grayson County, KY, Green County, KY, Hancock County, KY, Hardin County, KY, Harrison County, KY, Hart County, KY, Henry County, KY, Jefferson County, KY, Jessamine County, KY, Kenton County, KY, Larue County, KY, Marion County, KY, McLean County, KY, Meade County, KY, Mercer County, KY, Muhlenberg County, KY, Nelson County, KY, Nicholas County, KY, Ohio County, KY, Oldham County, KY, Owen County, KY, Pendleton County, KY, Robertson County, KY, Scott County, KY, Shelby County, KY, Spencer County, KY, Taylor County, KY, Trimble County, KY, Washington County, KY, Woodford County, KY
The radar
The Louisville radar (KLVX), 34 km from the middle of the area, began a volume at 23:55 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, 12.0 hours before the alert went out and 213 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1173 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 173 m²/s²
- 0-3 km storm-relative helicity
- 190 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 |
|---|---|---|---|---|
| Oct 6, 3:49 PM EDT | Mesoscale Discussion | SPC | Bartholomew, Brown, Clark, Crawford, Daviess, Dubois and 24 more | 56 min |
| Oct 6, 6:28 PM EDT | Mesoscale Discussion | SPC | Martin, Pike | 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.