Alert archive / Kentucky / Mesoscale Discussions in 2014

Mesoscale Discussion 163

March 2, 201460 counties in Kentucky; 8 counties in Tennessee; 4 counties in West Virginia

The Storm Prediction Center issued this mesoscale discussion at Mar 2, 2014, 5:48 PM CST for 60 counties in Kentucky; 8 counties in Tennessee; 4 counties in West Virginia. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Mar 2, 2014, 5:48 PM CST (23:48 UTC)
Expired
Mar 2, 2014, 11:45 PM CST
In force
6 hr
Issued by
the Storm Prediction Center
All 72 counties

Adair County, KY, Allen County, KY, Barren County, KY, Boyle County, KY, Breathitt County, KY, Butler County, KY, Caldwell County, KY, Calloway County, KY, Casey County, KY, Christian County, KY, Clay County, KY, Clinton County, KY, Cumberland County, KY, Edmonson County, KY, Estill County, KY, Floyd County, KY, Garrard County, KY, Graves County, KY, Grayson County, KY, Green County, KY, Hart County, KY, Hickman County, KY, Jackson County, KY, Jessamine County, KY, Johnson County, KY, Knott County, KY, Larue County, KY, Laurel County, KY, Lee County, KY, Leslie County, KY, Letcher County, KY, Lincoln County, KY, Logan County, KY, Lyon County, KY, Madison County, KY, Magoffin County, KY, Marion County, KY, Marshall County, KY, Martin County, KY, Menifee County, KY, Mercer County, KY, Metcalfe County, KY, Monroe County, KY, Morgan County, KY, Muhlenberg County, KY, Owsley County, KY, Perry County, KY, Pike County, KY, Powell County, KY, Pulaski County, KY, Rockcastle County, KY, Russell County, KY, Simpson County, KY, Taylor County, KY, Todd County, KY, Trigg County, KY, Warren County, KY, Washington County, KY, Wayne County, KY, Wolfe County, KY, Henry County, TN, Houston County, TN, Macon County, TN, Montgomery County, TN, Robertson County, TN, Stewart County, TN, Sumner County, TN, Weakley County, TN, Boone County, WV, Logan County, WV, Mingo County, WV, Wyoming County, WV

The radar

The Louisville radar (KLVX), 96 km from the middle of the area, began a volume at 23:52 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

Nashville Metro, TN (KBNA), launched 12:00Z, 11.8 hours before the alert went out and 169 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.

Skew-T log-pSkew-T log-p diagram, Nashville Metro, TN at 12:00Z on 2014-03-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 2014-03-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 304 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
883 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
304 m²/s²
0-3 km storm-relative helicity
284 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 2, 5:32 AM CSTMesoscale DiscussionSPCAnderson, Boone, Bourbon, Bracken, Breckinridge, Bullitt and 29 more6 hr
Mar 2, 1:44 PM CSTMesoscale DiscussionSPCDyer, Lake, Lauderdale5 hr

Nearby

Mesoscale Discussions in Kentucky, 2014Mesoscale Discussions in Tennessee, 2014Mesoscale Discussions in West Virginia, 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.