SEVERE THUNDERSTORM WATCH FOR PORTIONS OF MARYLAND NORTHWEST NORTH CAROLINA SOUTHWEST AND SOUTH CENTRAL VIRGINIA EXTREME SOUTHEAST WEST VIRGINIA EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 320 PM UNTIL 900 PM EDT.

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URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 484
   NWS STORM PREDICTION CENTER NORMAN OK
   320 PM EDT MON JUL 9 2012
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          MARYLAND
          NORTHWEST NORTH CAROLINA
          SOUTHWEST AND SOUTH CENTRAL VIRGINIA
          EXTREME SOUTHEAST WEST VIRGINIA
   
   EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 320 PM UNTIL 900
   PM EDT.
   
   HAIL TO 1.5 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 70
   STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES NORTH
   NORTHWEST OF LYNCHBURG VIRGINIA TO 60 MILES WEST SOUTHWEST OF
   DANVILLE VIRGINIA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).
   
   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 483...
   
   DISCUSSION...STORMS ARE EXPECTED TO INCREASE OVER SWRN VA THIS
   AFTERNOON WITHIN A MODERATELY UNSTABLE ENVIRONMENT WITH MLCAPE OF
   1500-2000 J/KG.  WESTERLY MID LEVEL WINDS OF 20-30 KTS WILL PROMOTE
   ORGANIZED MULTICELL STORMS AND SHORT LINE SEGMENTS...WITH POTENTIAL
   TO PRODUCE PRIMARILY DAMAGING WIND GUSTS.
   
   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
   MOTION VECTOR 27020.