MESOSCALE DISCUSSION 0928
   NWS STORM PREDICTION CENTER NORMAN OK
   0547 PM CDT TUE JUN 02 2009
   
   AREAS AFFECTED...ERN VA/MD
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 322...
   
   VALID 022247Z - 022345Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 322
   CONTINUES.
   
   SEVERE THREAT CONTINUES FOR PORTIONS OF ERN VA AND MD...THOUGH ONLY
   A FEW COUNTIES REMAIN IN THE WATCH. NRN VA AND WRN MD ARE BEING
   MONITORED FOR A POSSIBLE WW AS CONVECTION APPROACHES FROM THE W. 
   
   A SMALL LINE W-E ORIENTED LINE OF CONVECTION IN ERN VA APPROACHING
   THE CHESAPEAKE BAY HAS PROGRESSED AWAY FROM STRONGER FLOW TO THE N.
   A NARROW CORRIDOR OF INSTABILITY REMAINS AHEAD OF THE OUTFLOW-DRIVEN
   LINE...WITH RECENT SURFACE OBS SHOWING TEMPERATURES IN THE MID TO
   UPPER 80S...AND DEW POINTS IN THE MID 60S. DESPITE MEAGER WNWLY
   FLOW...STEEP LOW LEVEL LAPSE RATES AND WEAK INSTABILITY WILL ALLOW
   THE LINE TO PROGRESS EWD INTO THE CHESAPEAKE BAY...WITH A PRIMARY
   THREAT OF DMGG WINDS...ALTHOUGH MARGINAL HAIL MAY BE POSSIBLE AS
   WELL.
   
   ..HURLBUT.. 06/02/2009
   
   
   ATTN...WFO...AKQ...LWX...
   
   LAT...LON   37927520 37867641 37897741 38067827 38417812 38527694
               38637654 38547618 38157539 37927520