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Severe Thunderstorm Watch 833
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WW0833 Radar
Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
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   SEL3
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 833
   NWS STORM PREDICTION CENTER NORMAN OK
   120 PM EDT FRI AUG 15 2008
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          SOUTHEAST MARYLAND
          WESTERN AND CENTRAL NORTH CAROLINA
          CENTRAL AND SOUTHEAST VIRGINIA
          COASTAL WATERS
   
   EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 120 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 90
   STATUTE MILES EAST AND WEST OF A LINE FROM 5 MILES WEST SOUTHWEST
   OF CHARLOTTE NORTH CAROLINA TO 10 MILES NORTH OF SALISBURY
   MARYLAND.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).
   
   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...SCATTERED THUNDERSTORMS ARE EXPECTED TO INCREASE IN
   COVERAGE AND INTENSITY THIS AFTERNOON ACROSS PARTS OF NC/VA/MD WHERE
   MODERATE INSTABILITY AND STRONG HEATING ARE PRESENT.  DESPITE WEAK
   MID LEVEL LAPSE RATES...FAVORABLE DEEP LAYER VERTICAL SHEAR AND LOW
   LEVEL THERMODYNAMICS WILL POSE A THREAT OF ISOLATED SEVERE STORMS
   CAPABLE OF DAMAGING WINDS AND PERHAPS HAIL.
   
   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 450. MEAN STORM
   MOTION VECTOR 26025.
   
   
   ...HART
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