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WWUS20 KWNS 010446

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SPC WW 010446

KYZ000-MDZ000-PAZ000-VAZ000-WVZ000-011000-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 557

NWS STORM PREDICTION CENTER NORMAN OK

1250 AM EDT FRI NOV 1 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  EASTERN KENTUCKY

  EXTREME WESTERN MARYLAND

  WESTERN PENNSYLVANIA

  EXTREME SOUTHWEST VIRGINIA

  WEST VIRGINIA



* EFFECTIVE THIS FRIDAY MORNING FROM 1250 AM UNTIL 600 AM EDT.



* PRIMARY THREATS INCLUDE...

  SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 65

STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES SOUTH OF

LONDON KENTUCKY TO 30 MILES EAST NORTHEAST OF FRANKLIN

PENNSYLVANIA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).



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 554...WW 555...WW 556...



DISCUSSION...A LINE OF INTENSE SHOWERS AND ISOLATED THUNDERSTORMS

WILL CONTINUE TO TRACK RAPIDLY EASTWARD INTO THE WATCH AREA

OVERNIGHT.  DESPITE NEAR ZERO CAPE AND LITTLE LIGHTNING ACTIVITY

ALONG THE LINE...DAMAGING WIND GUSTS ARE BEING REPORTED WITH THE

ACTIVITY.  EXTREMELY STRONG WINDS JUST ABOVE THE SURFACE WILL

MAINTAIN THE RISK OF LOCALLY DAMAGING WIND GUSTS WITH THE PASSAGE OF

THE SQUALL LINE.



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

TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400. MEAN STORM

MOTION VECTOR 24040.





...HART

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