MESOSCALE DISCUSSION 0794
   NWS STORM PREDICTION CENTER NORMAN OK
   0105 PM CDT MON MAY 11 2009
   
   AREAS AFFECTED...PORTIONS OF SOUTHEASTERN TX AND CENTRAL/WRN LA
   
   CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY 
   
   VALID 111805Z - 111930Z
   
   STORMS ARE TO EXPECTED INCREASE IN COVERAGE AND INTENSITY ACROSS
   PORTIONS OF SERN TX AND WRN/CENTRAL LA THROUGH THE AFTERNOON. THOUGH
   A FEW SHORT LIVED STORMS ARE POSSIBLE...WEAK ENVIRONMENTAL
   WINDS/SHEAR SHOULD LIMIT A MORE WIDESPREAD THREAT.
   
   A NEARLY STATIONARY FRONT STRETCHED FROM CENTRAL MS WWD ACROSS NRN
   LA INTO ERN TX...ABOUT 40S OF TYR. FROM TYR WWD TO TPL...THE FRONT
   WAS MOVING SLOWLY IN RESPONSE TO OUTFLOW BOUNDARY FROM MORNING
   CONVECTION. IN THE WARM SECTOR...TEMPERATURES WARMING INTO THE
   MID/UPPER 80S HAS RESULTED IN THE AIR MASS HAS BECOME STRONGLY
   UNSTABLE...MLCAPE VALUES NOW UP TO 2500 J/KG. ALTHOUGH THE DEGREE OF
   INSTABILITY MAY SUPPORT A FEW STRONG UPDRAFTS...WITH A POTENTIAL FOR
   STRONG WIND GUSTS/MARGINALLY SEVERE HAIL...WEAK DYNAMICAL FORCING
   AND 20-25 KT DEEP LAYER SHEAR SHOULD LIMIT POTENTIAL FOR LONGER
   LIVED SEVERE STORMS.
   
   ..IMY.. 05/11/2009
   
   
   ATTN...WFO...JAN...LIX...LCH...SHV...HGX...FWD...
   
   LAT...LON   29479534 30659623 31039615 31519560 31769503 31999365
               32129166 30749169 29829258 29479534