Severe Thunderstorm Warning 30, NWS Jackson, KY

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSON KY
411 PM EDT TUE MAY 13 2014

.SHORT TERM...(THIS EVENING THROUGH WEDNESDAY NIGHT)
ISSUED AT 345 PM EDT TUE MAY 13 2014

AS OF MID AFTERNOON...A RIDGE OF HIGH PRESSURE WAS CENTERED OFF THE
SOUTHEAST US COAST WHILE A TROUGH WAS OVER THE PLAINS TO MS VALLEY
REGION AND A RIDGE WAS LOCATED ALONG THE PACIFIC COAST. AT THE
SFC...AN AREA OF LOW PRESSURE WAS OVER NW ONTARIO WITH A COLD FRONT
EXTENDING SOUTH INTO THE LOWER OH VALLEY REGION. LOCALLY...CONVECTION
AT THIS TIME IS PRIMARILY CONFINED TO AREAS CLOSER TO LAKE CUMBERLAND
AND DOWN IN THE TN VALLEY...THOUGH ISOLATED CONVECTION WAS OCCURRING
OUTSIDE OF THESE AREAS.

OVER THE NEXT FEW HOURS...THE CONVECTION WILL CONTINUE TO MOVE NORTH
NORTHEAST AND GRADUALLY EXIT THE LAKE CUMBERLAND AREA. HOWEVER...SOME
OF THE CONVECTION...OR EVENTUAL OUTFLOWS MAY LEAD TO CONVECTION
MOVING INTO OR DEVELOPING OVER THE VA BORDER AREA OF BELL...HARLAN
AND LETCHER COUNTY AREA. ALSO...A BOUNDARY THAT CURRENTLY IS NEAR A
SANDY HOOK TO JKL TO MIDDLESBORO AND THEN EAST INTO NORTHEAST TN
BORDER CONTINUES TO MOVE TO THE NORTH AND EAST. THIS MAY ALSO BE A
FOCUS FOR CONVECTION INTO THE EVENING. WITH THE REGION IN ADVANCE OF
THE COLD FRONT AND IN THE WARM SECTOR SOME ISOLATED CONVECTION CANNOT
BE RULED OUT OVERNIGHT...BUT ACTIVITY SHOULD BE MINIMAL FOR MOST
OF...IF NOT THE ENTIRE NIGHT. MANY OF THE SHORT TERM MODELS HAVE
CONVECTION POSSIBLY ENCROACHING ON THE AREA LATE TONIGHT AND OPTED
FOR SOME SLIGHT CHANCE POPS LATE.

ALSO...TONIGHT INTO WEDNESDAY...A SHORTWAVE THAT IS NOW WORKING INTO
THE SOUTHERN PLAINS REGION WILL APPROACH THE MS AND TN VALLEY AND
NEAR THE MID MS AND LOWER OH VALLEY BY WED EVENING. THIS WILL LEAD TO
SFC LOW PRESSURE DEVELOPING ALONG THE BOUNDARY AND TRACK TOWARD THE
OH...KY AND IN TRI STATE AREA BY 0Z THU. THIS LOW WILL TRACK TOWARD
THE WESTERN END OF LAKE ERIE BY THE END OF THE PERIOD. THIS WILL
GRADUALLY LEAD TO MORE FORCING FOR ASCENT AND MORE FOCUSED COVECTION
BY THE LAST 12 HOURS OF THE PERIOD. MODEL FORECAST SOUNDINGS ALSO
INDICATE INSTABILITY WILL BE MODERATE AGAIN TOMORROW AFTERNOON AND
EVENING AS THE MID LEVEL SHORTWAVE TROUGH APPROACHES AND SFC LOW
DEVELOPS. THE FORECAST DEEP LAYER SHEAR IS ALSO FORECAST TO BE
GREATER THAN TODAY...BUT ONLY MODEST TO MODERATE...ENOUGH FOR MORE
ORGANIZATION...AND GREATER INTENSITY AND COVERAGE WHEN COMBINED WITH
INSTABILITY SPC HAS PLACED THE WESTERN PART OF THE CWA IN A SLIGHT
RISK FOR SEVERE THUNDERSTORMS FOR WEDNESDAY...AND GUSTY WINDS WOULD
APPEAR TO BE THE PRIMARY THREAT AND WITH FREEZING LEVELS ALSO
GRADUALLY LOWERING WITH THE APPROACH OF THE MID LEVEL SHORTWAVE SOME
HAIL MIGHT ALSO BE POSSIBLE. THIS IS ALREADY HIGHLIGHTED IN THE HWO.

.LONG TERM...(THURSDAY THROUGH TUESDAY)
ISSUED AT 305 PM EDT TUE MAY 13 2014

THE MODELS WERE ONCE AGAIN IN GOOD AGREEMENT IN THE LONG TERM. THE
CONSENSUS VIEW BETWEEN THE ECMWF AND GFS MODELS ARE FOR A LARGE AREA
OF LOW PRESSURE TO MOVE ACROSS THE GREAT LAKES REGION AND EVENTUALLY
INTO NEW ENGLAND. A SURFACE COLD FRONT TRAILING FROM THIS LOW WILL
PROVIDE THE INITIAL TRIGGER FOR SHOWERS AND THUNDERSTORMS ON
THURSDAY. MOISTURE FROM THE GULF OF MEXICO STREAMING NORTH AHEAD OF
THE FRONT WILL PROVIDE THE FUEL FOR THIS PRECIPITATION. ONCE THE
FRONT MOVES THROUGH THE AREA THURSDAY NIGHT...AN AREA OF LOW
PRESSURE ALOFT WILL BEGIN TO INFLUENCE OUR AREA AS IT MOVES SLOWLY
SOUTHEASTWARD OUT OF THE WESTERN GREAT LAKES REGION. THIS SYSTEM
WILL HAVE VERY LIMITED MOISTURE TO WORK AND IS THEREFORE EXPECTED TO
BRING ONLY ISOLATED RAIN SHOWERS TO THE EASTERN CONUS THROUGH
SATURDAY NIGHT. A MUCH COOLER AND DRIER AIR MASS IS THEN EXPECTED TO
SETTLE OVER THE REGION THROUGH THE FIRST OF NEXT WEEK...AS A LARGE
AREA OF CANADIAN HIGH PRESSURE MOVES INTO PLACE. THIS MUCH COOLER
AIR WILL LEAD TO WELL BELOW NORMAL TEMPERATURES THROUGHOUT THE
PERIOD...WITH DAILY HIGHS IN THE 60S AND NIGHTLY LOWS IN THE 40S
AREA WIDE.

&&

.AVIATION...(FOR THE 18Z TAFS THROUGH 18Z WEDNESDAY AFTERNOON)
ISSUED AT 155 PM EDT TUE MAY 13 2014

PRIMARILY VFR CONDITIONS WILL PERSIST THROUGH THE TAF FORECAST
PERIOD AT THE TAF SITES. SCATTERED TO BROKEN CU WILL GRADUALLY DIMINISH
THROUGH 0Z AND DEVELOP AGAIN AROUND 15Z. SOME OF THIS CONVECTION WILL
MOVE CLOSE TO LOZ...SME AND JKL OVER THE NEXT COUPLE OF HOURS. WITH
THIS IN MIND...HAVE VCTS AT ALL THE TAF SITES THROUGH ABOUT SUNSET.
PATCHY VALLEY FOG WILL FORM AGAIN LATER TONIGHT AND AFFECT VALLEY
LOCATIONS...BUT SHOULD NOT AFFECT THE TAF SITES.

&&

.JKL WATCHES/WARNINGS/ADVISORIES...
NONE.
&&

SHORT TERM...JP
LONG TERM...AR
AVIATION...JP

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSON KY
425 PM EDT TUE MAY 13 2014

KYZ044-050>052-058>060-068-069-079-080-083>088-104-106>120-142330-
FLEMING-MONTGOMERY-BATH-ROWAN-ESTILL-POWELL-MENIFEE-ROCKCASTLE-
JACKSON-PULASKI-LAUREL-WAYNE-MCCREARY-WHITLEY-KNOX-BELL-HARLAN-
ELLIOTT-MORGAN-JOHNSON-WOLFE-MAGOFFIN-FLOYD-LEE-BREATHITT-KNOTT-
OWSLEY-PERRY-CLAY-LESLIE-LETCHER-MARTIN-PIKE-
425 PM EDT TUE MAY 13 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN KENTUCKY.

.DAY ONE...TONIGHT.

THUNDERSTORMS AREA POSSIBLE...MAINLY THIS EVENING AND TOWARD DAWN.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

THUNDERSTORMS ARE POSSIBLE WEDNESDAY THROUGH THURSDAY EVENING. A FEW
OF THE STORMS ON WEDNESDAY AND WEDNESDAY NIGHT MAY CONTAIN HEAVY
RAIN...STRONG WINDS...AND HAIL.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

KAS/GREIF/JP

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON KY
459 PM EDT TUE MAY 13 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0440 PM     TSTM WND DMG     GRAY                    36.94N 84.01W
05/13/2014                   KNOX               KY   TRAINED SPOTTER

            ONE TREE WAS REPORTED TO HAVE BEEN BLOWN DOWN. THE TIME
            OF THE EVENT IS ESTIMATED FROM RADAR.

&&

JPELTON

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
526 PM EDT TUE MAY 13 2014

KYZ120-132200-
PIKE-
526 PM EDT TUE MAY 13 2014

...A STRONG THUNDERSTORM TO AFFECT THE FOLLOWING COUNTY THROUGH 600
PM EDT TUESDAY EVENING...

   CENTRAL PIKE.

AT 526 PM EDT...A STRONG THUNDERSTORM WAS LOCATED NEAR MARROWBONE...
OR 8 MILES SOUTHEAST OF PIKEVILLE...MOVING NORTHEAST AT 10 MPH.

LOCATIONS AFFECTED INCLUDE...BUT ARE NOT LIMITED TO...FISHTRAP LAKE
AROUND 540 PM EDT...PHYLLIS AROUND 550 PM EDT...RACCOON AROUND 555 PM
EDT...KIMPER AROUND 600 PM EDT...

RESIDENTS SHOULD EXPECT BRIEF VERY HEAVY RAIN...GUSTY WINDS UP TO 40
MPH...FREQUENT LIGHTNING AND HAIL UP TO NICKEL SIZE IN THESE AREAS.

DANGEROUS CLOUD TO GROUND LIGHTNING IS ASSOCIATED WITH THIS
THUNDERSTORM. TAKE SHELTER IMMEDIATELY. REMEMBER...IF YOU CAN HEAR
THUNDER THEN LIGHTNING IS CLOSE ENOUGH TO BE A HAZARD.

PELTON

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SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
605 PM EDT TUE MAY 13 2014

KYZ119-132230-
MARTIN-
605 PM EDT TUE MAY 13 2014

...A STRONG THUNDERSTORM TO AFFECT THE FOLLOWING COUNTY THROUGH 630
PM EDT TUESDAY EVENING...

   NORTH CENTRAL MARTIN.

AT 605 PM EDT...A STRONG THUNDERSTORM WAS LOCATED NEAR INEZ...MOVING
NORTH AT 15 MPH.

LOCATIONS AFFECTED INCLUDE...BUT ARE NOT LIMITED TO...STIDHAM AROUND
610 PM EDT...MILO AROUND 615 PM EDT...JOB AROUND 620 PM EDT...CALF
CREEK AROUND 625 PM EDT.

RESIDENTS SHOULD EXPECT TORRENTIAL RAIN...WITH RAINFALL RATE OF TWO
INCHES PER HOUR OR MORE...GUSTY WINDS OF 30 TO 40 MPH...FREQUENT
LIGHTNING AND SMALL HAIL IN THESE AREAS.

RAY

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
612 PM EDT TUE MAY 13 2014

KYZ113-115-117-118-132300-
KNOTT-LESLIE-LETCHER-PERRY-
612 PM EDT TUE MAY 13 2014

...A STRONG THUNDERSTORM TO AFFECT THE FOLLOWING COUNTIES THROUGH 700
PM EDT TUESDAY EVENING...

   SOUTHWESTERN KNOTT...
   EAST CENTRAL LESLIE...
   EXTREME WEST CENTRAL LETCHER AND
   EASTERN PERRY.

AT 612 PM EDT...A STRONG THUNDERSTORM WAS LOCATED NEAR VIPER...OR
NEAR HAZARD...MOVING NORTH AT 15 MPH.

LOCATIONS AFFECTED INCLUDE...BUT ARE NOT LIMITED TO...DIABLOCK AROUND
620 PM EDT...HAZARD AROUND 625 PM EDT...CORDIA AROUND 630 PM
EDT...BULAN AROUND 635 PM EDT...RITCHIE AROUND 640 PM EDT.

RESIDENTS SHOULD EXPECT TORRENTIAL RAIN...WITH RAINFALL RATE OF TWO
INCHES PER HOUR OR MORE...GUSTY WINDS OF 35 TO 45 MPH...FREQUENT
LIGHTNING AND SMALL HAIL IN THESE AREAS.

RAY

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
617 PM EDT TUE MAY 13 2014

KYZ110-113-132300-
KNOTT-FLOYD-
617 PM EDT TUE MAY 13 2014

...A CLUSTER OF STRONG THUNDERSTORMS TO AFFECT THE FOLLOWING COUNTIES
THROUGH 700 PM EDT TUESDAY EVENING...

   EASTERN KNOTT AND
   SOUTHERN FLOYD.

AT 617 PM EDT...A CLUSTER OF SHOWERS AND STRONG THUNDERSTORMS WAS
LOCATED 14 MILES EAST OF HINDMAN...MOVING NORTH AT 15 MPH.

LOCATIONS AFFECTED INCLUDE...BUT ARE NOT LIMITED TO...BUCKINGHAM
AROUND 625 PM EDT...HI HAT AROUND 630 PM EDT...PRICE AROUND 635 PM
EDT...ORKNEY AROUND 640 PM EDT...EAST MCDOWELL AROUND 645 PM EDT.

RESIDENTS SHOULD EXPECT VERY HEAVY RAIN...WITH RAINFALL RATES BETWEEN
ONE AND TWO INCHES PER HOUR...GUSTY WINDS OF 35 TO 45 MPH...FREQUENT
LIGHTNING AND SMALL HAIL IN THESE AREAS.

RAY