MESOSCALE DISCUSSION 1030
   NWS STORM PREDICTION CENTER NORMAN OK
   0538 PM CDT WED JUN 10 2009
   
   AREAS AFFECTED...NORTH/CENTRAL TX INTO SOUTHEAST OK
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 365...
   
   VALID 102238Z - 102345Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 365
   CONTINUES.
   
   SEVERE TSTM WATCH 365 CONTINUES UNTIL 03Z ACROSS NORTH TX INTO
   SOUTHERN OK. SEVERE THREAT IS LIKELY TO DEVELOP INTO THE DFW METRO
   AREA WITHIN THE HOUR.
   
   QUASI-LINEAR MCS WITH EMBEDDED BOW ECHO CONTINUES TO EVOLVE/STEADILY
   ADVANCE EASTWARD ACROSS NORTH CENTRAL TX AT AROUND 40 KT...ROUGHLY
   ABOUT 40 MILES WEST OF THE WESTERN DFW SUBURBS AS OF 2230Z. WITH AN
   ORGANIZING COLD POOL AND DOWNSTREAM CORRIDOR OF SURFACE PRESSURE
   FALLS WITHIN A MODERATELY UNSTABLE AIRMASS /3000 J PER KG
   MLCAPE/...CONTINUED LINE-EMBEDDED BOWING AND ASSOCIATED MAIN WIND
   DAMAGE/PERHAPS ISOLATED TORNADO RISK WILL LIKELY BE FOCUSED WHERE
   THE CONVECTIVE LINE INTERCEPTS A SOUTHEASTWARD SAGGING SHALLOW
   BOUNDARY NOTED PER VOLUMETRIC RADAR IMAGERY CURRENTLY JUST NORTHWEST
   OF THE DFW METRO AREA. FARTHER SOUTH...OTHER SEVERE TSTMS INCLUDING
   SUPERCELLS WILL CONTINUE TO DEVELOP EASTWARD ACROSS SOUTH CENTRAL
   TX/TOWARD THE HILL COUNTRY THROUGH EARLY EVENING. ALTHOUGH CURRENT
   EXPECTATIONS ARE FOR THE SEVERE THREAT TO REMAIN ISOLATED SOUTH OF
   EXISTING WW 365 OWING TO CAPPING/SOUTHERN FRINGE OF FORCING ON THE
   LARGE SCALE...WILL NEVERTHELESS CONTINUE TO MONITOR FOR THE
   POSSIBILITY OF AN ADDITIONAL WATCH...BOTH ACROSS CENTRAL TX AND THE
   ARKLATEX VICINITY.
   
   ..GUYER.. 06/10/2009
   
   
   ATTN...WFO...SHV...TSA...FWD...OUN...SJT...
   
   LAT...LON   34309818 34779687 34159468 32269522 31469785 30430121
               32959924 34309818