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088 

WWUS20 KWNS 102313

SEL8

SPC WW 102313

KYZ000-OHZ000-VAZ000-WVZ000-110400-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 278

NWS STORM PREDICTION CENTER NORMAN OK

710 PM EDT TUE JUN 10 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  NORTHEASTERN KENTUCKY

  SOUTHERN OHIO

  SOUTHWESTERN VIRGINIA

  WESTERN WEST VIRGINIA



* EFFECTIVE THIS TUESDAY NIGHT FROM 710 PM UNTIL MIDNIGHT EDT.



* PRIMARY THREATS INCLUDE...

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  ISOLATED LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE

  A TORNADO OR TWO POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 90 MILES WEST OF

ATHENS OHIO TO 20 MILES SOUTH SOUTHEAST OF CHARLESTON WEST

VIRGINIA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE

FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY

DO PRODUCE TORNADOES.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 275...WW 276...WW 277...



DISCUSSION...AS A 50+ KT SOUTHWESTERLY 500 MB JET STREAK CONTINUES

TO NOSE NORTHEASTWARD INTO AND THROUGH THE MID/UPPER OHIO VALLEY

REGION... STRONGEST STORM DEVELOPMENT WILL SPREAD NORTH

NORTHEASTWARD OUT OF KENTUCKY INTO PARTS OF SOUTHERN OHIO AND

WESTERN WEST VIRGINIA... BEFORE DIMINISHING LATER THIS EVENING.

THERE APPEARS TO BE ENOUGH INSTABILITY...GIVEN THE STRENGTH OF THE

VERTICAL SHEAR...TO SUPPORT A CONTINUING RISK FOR SEVERE WIND GUSTS

THROUGH THE 02-04Z TIME FRAME.  AN ISOLATED TORNADO MAY NOT BE

COMPLETELY OUT OF THE QUESTION...PARTICULARLY NEAR/JUST NORTH OF THE

OHIO RIVER...BETWEEN CINCINNATI AND HUNTINGTON.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS.

A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM MOTION

VECTOR 22035.





...KERR

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