Alert archive / Kentucky / Tornado Watches in 2014

Tornado Watch 154

May 14, 20145 counties in Indiana; 76 counties in Kentucky

The Storm Prediction Center issued this tornado watch at May 14, 2014, 12:53 PM EDT for 5 counties in Indiana; 76 counties in Kentucky. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued
May 14, 2014, 12:53 PM EDT (16:53 UTC)
Expired
May 14, 2014, 9:00 PM EDT
In force
8 hr
Issued by
the Storm Prediction Center
Largest hail expected
2 in
Strongest gust expected
60 kt
All 81 counties

Clark County, IN, Crawford County, IN, Floyd County, IN, Harrison County, IN, Perry County, IN, Adair County, KY, Allen County, KY, Anderson County, KY, Barren County, KY, Bath County, KY, Bourbon County, KY, Boyle County, KY, Breathitt County, KY, Breckinridge County, KY, Bullitt County, KY, Butler County, KY, Casey County, KY, Christian County, KY, Clark County, KY, Clay County, KY, Clinton County, KY, Cumberland County, KY, Edmonson County, KY, Elliott County, KY, Estill County, KY, Fayette County, KY, Fleming County, KY, Franklin County, KY, Garrard County, KY, Grayson County, KY, Green County, KY, Hancock County, KY, Hardin County, KY, Harrison County, KY, Hart County, KY, Henry County, KY, Jackson County, KY, Jefferson County, KY, Jessamine County, KY, Johnson County, KY, Knox County, KY, Larue County, KY, Laurel County, KY, Lee County, KY, Lincoln County, KY, Logan County, KY, Madison County, KY, Magoffin County, KY, Marion County, KY, McCreary County, KY, Meade County, KY, Menifee County, KY, Mercer County, KY, Metcalfe County, KY, Monroe County, KY, Montgomery County, KY, Morgan County, KY, Muhlenberg County, KY, Nelson County, KY, Nicholas County, KY, Ohio County, KY, Oldham County, KY, Owsley County, KY, Powell County, KY, Pulaski County, KY, Rockcastle County, KY, Rowan County, KY, Russell County, KY, Scott County, KY, Shelby County, KY, Simpson County, KY, Spencer County, KY, Taylor County, KY, Todd County, KY, Trimble County, KY, Warren County, KY, Washington County, KY, Wayne County, KY, Whitley County, KY, Wolfe County, KY, Woodford County, KY

The radar

The Louisville radar (KLVX), 69 km from the middle of the area, began a volume at 16:54 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.

What SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes
40%
One or more EF2 to EF5 tornadoes
20%
Ten or more severe wind reports
40%
One or more gusts of 65 knots or more
10%
Ten or more severe hail reports
30%
One or more hailstones of 2 inches or more
30%
Six or more combined severe hail and wind reports
70%

Warnings issued inside it

10 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
May 14, 1:45 PM EDTSevere Thunderstorm WarningLMKAdair, Green, Taylor30 min
May 14, 3:15 PM EDTSevere Thunderstorm WarningLMKBourbon25 min
May 14, 3:26 PM EDTSevere Thunderstorm WarningLMKHarrison, Nicholas19 min
May 14, 3:36 PM EDTSevere Thunderstorm WarningLMKAllen, Barren, Monroe29 min
May 14, 3:48 PM EDTSevere Thunderstorm WarningLMKBarren, Metcalfe, Monroe42 min
May 14, 5:01 PM EDTFlash Flood WarningLMKAllen, Barren, Green, Hart, Metcalfe, Monroe5 hr
May 14, 5:20 PM EDTSevere Thunderstorm WarningPAHChristian40 min
May 14, 5:34 PM EDTTornado WarningPAHChristian26 min
May 14, 5:42 PM EDTSevere Thunderstorm WarningPAHMuhlenberg, Todd48 min
May 14, 7:08 PM EDTFlash Flood WarningLMKCrawford, Dubois, Perry3 hr

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 4.9 hours before the alert went out and 163 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 2014-05-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 48 joules per kilogram.LCLLFCEL10008507005003002001001 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 2014-05-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 square meters per square second.19395878Sfc1 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
48 J/kg
Mixed-layer CIN
-61 J/kg
Mixed-layer LCL
721 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
60 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.

839 
WWUS20 KWNS 141656
SEL4  
SPC WW 141656
INZ000-KYZ000-TNZ000-150000-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 154
NWS STORM PREDICTION CENTER NORMAN OK
1255 PM EDT WED MAY 14 2014

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  FAR SOUTHERN INDIANA
  CENTRAL AND EASTERN KENTUCKY
  NORTHEAST TENNESSEE

* EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 1255 PM
  UNTIL 800 PM EDT.

* PRIMARY THREATS INCLUDE...
  A COUPLE TORNADOES POSSIBLE
  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
  ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 85 STATUTE
MILES EAST AND WEST OF A LINE FROM 30 MILES SOUTHEAST OF BOWLING
GREEN KENTUCKY TO 35 MILES NORTH NORTHEAST OF LEXINGTON KENTUCKY.
 FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU4).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 153...

DISCUSSION...THUNDERSTORMS ARE EXPECTED TO INCREASE IN COVERAGE AND
INTENSITY THIS AFTERNOON AHEAD OF A SHORT-WAVE TROUGH AND ASSOCIATED
SURFACE LOW APPROACHING THE REGION FROM THE SOUTHWEST. BREAKS IN THE
CLOUDS COUPLED WITH A MOIST BOUNDARY LAYER WILL YIELD AFTERNOON
MLCAPE OF 1000-1500 J/KG. THIS INSTABILITY WILL ALIGN WITH CORRIDOR
OF STRENGTHENING VERTICAL SHEAR WHICH WILL BE SUPPORTIVE OF
SUPERCELLS CAPABLE OF LARGE HAIL...DAMAGING WINDS AND A COUPLE OF
TORNADOES.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 22030.


...MEAD

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 14, 1:23 PM EDTTornado WatchSPCDearborn, Ohio, Switzerland9 hr
May 14, 3:07 PM EDTMesoscale DiscussionSPCClark, Dearborn, Floyd, Jefferson, Ohio, Switzerland113 min
May 14, 11:37 AM EDTMesoscale DiscussionSPCAdair, Anderson, Barren, Bath, Bourbon, Boyd and 63 more53 min
May 14, 11:56 AM EDTMesoscale DiscussionSPCClinton, Monroe2 hr

Nearby

Tornado Watches in Kentucky, 2014Tornado Watches in Indiana, 2014Every tornado watch 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.