MESOSCALE DISCUSSION 1600
   NWS STORM PREDICTION CENTER NORMAN OK
   0241 PM CDT FRI JUL 17 2009
   
   AREAS AFFECTED...SERN VA INTO FAR NERN NC
   
   CONCERNING...TORNADO WATCH 594...
   
   VALID 171941Z - 172115Z
   
   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 594 CONTINUES.
   
   THE THREAT FOR SEVERE STORMS CAPABLE OF DAMAGING WINDS...HAIL AND
   PERHAPS A TORNADO OR TWO CONTINUES OVER CNTRL/ERN PORTIONS OF WW
   AREA.
   
   SHORT BOWING MCS WITH EMBEDDED SUPERCELL STRUCTURES CONTINUES EWD
   THROUGH SERN VA THIS AFTERNOON AT 30-35 KT.  AS OF 1930Z...THE
   LEADING EDGE OF THE STRONGEST STORMS EXTENDED FROM SURRY THROUGH
   ISLE OF WIGHT INTO SOUTHAMPTON COUNTIES VA.  LATEST MESOANALYSIS
   INDICATES THAT THIS BOWING COMPLEX REMAINS COLOCATED WITH A MESOLOW 
   WHICH IS MAINTAINING A CORRIDOR OF PRESSURE FALLS AND BACKED SURFACE
   WINDS TO THE IMMEDIATE SE OF TSTM COMPLEX.  THIS STRONGER LOW-LEVEL
   SHEAR COUPLED WITH MLCAPE OF 1000-2000 J/KG AND 40-45 KT OF
   EFFECTIVE BULK SHEAR SHOULD SERVE TO MAINTAIN BOWING SYSTEM AND
   EMBEDDED SUPERCELLS WITH THE THREAT FOR DAMAGING WINDS...HAIL AND
   ISOLATED TORNADOES.
   
   ..MEAD.. 07/17/2009
   
   
   ATTN...WFO...AKQ...
   
   LAT...LON   36527774 37297719 37687617 37807540 36847599 36397655
               36187693 36527774