MESOSCALE DISCUSSION 0976
   NWS STORM PREDICTION CENTER NORMAN OK
   0205 AM CDT THU MAY 26 2011
   
   AREAS AFFECTED...SOUTHERN LA/SOUTHEAST MS INTO FAR SOUTHWEST AL
   
   CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE 
   
   VALID 260705Z - 260830Z
   
   AT LEAST ISOLATED SEVERE TSTMS ARE EXPECTED TO CONTINUE TO DEVELOP
   ACROSS SOUTHEAST LA/FAR SOUTHERN MS AND PERHAPS SOUTHWEST AL THROUGH
   THE EARLY MORNING HOURS. A WATCH MAY BE NEEDED.
   
   SEVERAL STRONG/SEVERE TSTMS CONTINUE TO PROGRESS EAST-SOUTHEASTWARD
   ALONG THE LA/MS BORDER VICINITY EARLY IN THE OVERNIGHT...WITH A
   MODEST INCREASE IN SMALL SCALE QUASI-LINEAR ORGANIZATION NOTED OVER
   THE PAST HOUR OR SO. AN APPROACHING/ARCING LOBE OF DPVA/ATTENDANT
   HEIGHT FALLS AS IMPLIED PER WATER VAPOR IMAGERY SHOULD CONTINUE TO
   SUPPORT ADDITIONAL TSTM DEVELOPMENT OVERNIGHT...WITH SHORT TERM
   NUMERICAL GUIDANCE ACTUALLY SUGGESTIVE OF WEAKENING CINH THROUGH THE
   EARLY MORNING HOURS. IN CONJUNCTION WITH STRENGTHENING FLOW
   ALOFT...RELATIVELY MOIST/UNSTABLE INFLOW /MAINLY JUST ABOVE THE
   SURFACE/ AS PER THE 00Z OBSERVED LCH/LIX RAOBS WILL YIELD SUSTAINED
   STRONG UPDRAFTS CAPABLE OF SEVERE HAIL/WINDS AND PERHAPS A TORNADO.
   
   ..GUYER.. 05/26/2011
   
   
   ATTN...WFO...MOB...JAN...LIX...LCH...
   
   LAT...LON   29869237 31159123 31838836 30088887 29869237