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392 

WWUS20 KWNS 171759

SEL9

SPC WW 171759

MDZ000-VAZ000-WVZ000-180000-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 449

NWS STORM PREDICTION CENTER NORMAN OK

200 PM EDT WED AUG 17 2016



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  PORTIONS OF NORTHWEST MARYLAND

  WESTERN VIRGINIA

  WEST VIRGINIA



* EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 200 PM

  UNTIL 800 PM EDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  A TORNADO OR TWO POSSIBLE



SUMMARY...THUNDERSTORMS WILL CONTINUE TO INCREASE IN AREAL COVERAGE

OVER WEST VIRGINIA.  THIS ACTIVITY MAY EVOLVE INTO LINE SEGMENTS OR

A SQUALL LINE THAT SHOULD PROGRESS INTO WESTERN MARYLAND/VIRGINIA

LATER THIS AFTERNOON.  DAMAGING WINDS ARE THE PRIMARY THREAT.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60

STATUTE MILES EAST AND WEST OF A LINE FROM 25 MILES SOUTH

SOUTHWEST OF BECKLEY WEST VIRGINIA TO 35 MILES NORTHWEST OF

MARTINSBURG WEST VIRGINIA.  FOR A COMPLETE DEPICTION OF THE WATCH

SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).



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.



&&



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 500. MEAN STORM MOTION

VECTOR 27030.





...DARROW

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