MESOSCALE DISCUSSION 0314
   NWS STORM PREDICTION CENTER NORMAN OK
   0522 AM CDT SAT MAR 28 2009
   
   AREAS AFFECTED...PARTS OF CENTRAL/NRN AR AND SWRN MO
   
   CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY 
   
   VALID 281022Z - 281115Z
   
   ISOLATED HAIL WILL BE POSSIBLE WITH ANY STRONGER/MORE INTENSE
   ELEVATED STORMS DEVELOPING ACROSS CENTRAL/NRN AR AND ADJACENT PARTS
   OF SWRN MO.
   
   IR SATELLITE IMAGERY INDICATED RAPID COOLING CLOUD TOPS FROM SWRN MO
   /BARRY COUNTY/ SEWD INTO NWRN AND CENTRAL AR /CARROLL TO PULASKI
   COUNTIES/.  THIS ACTIVITY WAS LOCATED MAINLY NORTH OF A SURFACE COLD
   FRONT WHICH BISECTED AR FROM NW-SE.  ZONE OF DEEP LAYER ASCENT WAS
   LOCATED OVER THIS REGION AS A RESULT OF 1. WAA ALONG SELY LLJ
   EXTENDING FROM NRN MS INTO MO/NERN OK...AND 2. AREA OF DIFFLUENT
   MID-UPPER LEVEL FLOW AHEAD OF SRN PLAINS UPPER LOW.  OBJECTIVE
   ANALYSES INDICATED THESE DEVELOPING STORMS ARE ELEVATED ATOP A
   STABLE BOUNDARY LAYER.  EFFECTIVE BULK SHEAR OF 50-70 KT WILL
   SUPPORT STORM ORGANIZATION...BUT WEAK ELEVATED INSTABILITY /MUCAPE
   AROUND 500 J/KG/ SHOULD LIMIT THE OVERALL SEVERE TSTM COVERAGE...
   WITH HAIL BEING THE PRIMARY THREAT.
   
   ..PETERS.. 03/28/2009
   
   
   ATTN...WFO...MEG...JAN...LZK...SGF...TSA...
   
   LAT...LON   35909362 36399443 37179457 37679431 37599288 37229209
               35859126 34809109 33919103 34019158 34729239 35329294
               35909362