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WWUS20 KWNS 081856

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URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 106

NWS STORM PREDICTION CENTER NORMAN OK

155 PM CDT FRI APR 8 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       LARGE PART OF KENTUCKY

       PARTS OF SOUTHERN OHIO

       PARTS OF WESTERN VIRGINIA

       PARTS OF SOUTHERN WEST VIRGINIA



EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 155 PM UNTIL 800

PM CDT.



HAIL TO 2.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 35 MILES NORTHWEST

OF BOWLING GREEN KENTUCKY TO 15 MILES NORTH NORTHEAST OF BECKLEY

WEST VIRGINIA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).



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.



DISCUSSION...THUNDERSTORMS EXPECTED TO INCREASE IN NUMBER AND

INTENSITY ALONG AND S OF A WEAK COLD FRONT ADVANCING SEWD ACROSS OH

RIVER.  AIR MASS MDTLY UNSTABLE AND FAVORABLY SHEARED FOR SEVERE

THUNDERSTORMS INCLUDING POSSIBLE SUPERCELLS. LARGE HAIL WILL BE

LIKELY WITH ANY SUPERCELL AND DAMAGING WIND THREAT WILL INCREASE AS

STORMS EVOLVE INTO CLUSTERS/LINE SEGMENTS.  ISOLATED TORNADOES WILL

ALSO BE POSSIBLE WITH ANY SUPERCELL ABLE TO DEVELOP.



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

TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 27030.





...HALES

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