MESOSCALE DISCUSSION 1100
   NWS STORM PREDICTION CENTER NORMAN OK
   0439 PM CDT MON JUN 11 2007
   
   AREAS AFFECTED...PARTS OF NRN/ERN OK INTO WRN/SWRN AR
   
   CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY 
   
   VALID 112139Z - 112315Z
   
   ISOLATED STRONG TO SEVERE TSTMS WILL CONTINUE TO DEVELOP IN THE
   VICINITY OF THE OUTFLOW BOUNDARY LEFT OVER FROM THE OVERNIGHT/EARLY
   MORNING MCS...WITH A FEW STRONG WIND GUSTS AND HAIL POSSIBLE. 
   ALTHOUGH THE STORMS WILL GENERALLY BE PULSE-TYPE...OVERALL SLOW
   MOVEMENT WITHIN A MOISTURE-LADEN AIR MASS SUGGESTS LIKELIHOOD FOR
   LOCALLY HEAVY RAINFALL RATES AT 1-2 INCHES PER HOUR.
   
   MID AFTERNOON SURFACE ANALYSIS SHOWED THE OUTFLOW BOUNDARY FROM THE
   OVERNIGHT/EARLY MORNING MCS EXTENDING FROM CENTRAL AR WWD INTO ERN
   OK...35 NW MLC...AND THEN NWWD TO NRN OK ALONG THE KS BORDER...35 SE
   OF MEDICINE LODGE KS.  AIR MASS IS MODERATELY UNSTABLE /MLCAPE
   2000-2500 J/KG/ ALONG THIS SURFACE BOUNDARY AND LOCATED ON THE SRN
   EXTENT OF STRONGER DEEP LAYER SHEAR.  THUS...A FEW STORMS MAY BECOME
   MORE ORGANIZED...WITH GREATER POTENTIAL FOR MULTICELLS.
   
   ..PETERS.. 06/11/2007
   
   
   ATTN...WFO...LZK...SHV...TSA...OUN...
   
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