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Mesoscale Discussion 1475
MD 1475 graphic
   
   MESOSCALE DISCUSSION 1475
   NWS STORM PREDICTION CENTER NORMAN OK
   0751 PM CDT FRI JUL 02 2004
   
   AREAS AFFECTED...SRN HIGH PLAINS
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 536...
   
   VALID 030051Z - 030215Z
   
   DAMAGING WIND AND HAIL THREATS CONTINUE ACROSS PARTS OF SERN
   CO...SWRN KS AND THE OK/TX PNHDLS THIS EVENING.
   
   LEADING TSTMS THAT MOVED OUT INTO THE OK/TX PNHDLS APPEAR TO HAVE
   WEAKENED SINCE 00 UTC. STRONGEST TSTMS ARE BEING MAINTAINED FARTHER
   NW OVER SERN CO AND WRN KS WHERE OUTFLOW BOUNDARIES ARE COLLIDING...
   PROVIDING ENHANCED LOW LEVEL CONVERGENCE.  
   
   PRIND THAT TSTMS WILL BRIEFLY PULSE TO SEVERE LEVELS WITH DAMAGING
   WINDS AND HAIL ACROSS THE WW THROUGH 03 UTC.  THERE WAS SOME
   INDICATION THAT A COLD POOL WAS GATHERING STRENGTH EARLIER AND THAT
   OUTFLOWS MAY IGNITE TSTMS DOWNSTREAM TOWARD THE OK BORDER WITHIN THE
   NWLY ALOFT.  WHILE THE PROBABILITY OF THAT OCCURRING IS
   NON-ZERO...COOLING BOUNDARY LAYER...WEAK LOW LEVEL INFLOW INTO THE
   PNHDLS AND WEAK UPPER SUPPORT PROBABLY WILL KEEP THE SEVERE THREATS
   CONFINED TO THE HIGHER PLAINS TONIGHT. WILL CONTINUE TO MONITOR
   TRENDS...AND IF SIGNS OF TSTM DEVELOPMENT START TO OCCUR FARTHER
   EAST...CONSIDERATIONS FOR A WW DOWNSTREAM WILL BE MADE.
   
   ..RACY.. 07/03/2004
   
   
   ATTN...WFO...DDC...AMA...PUB...
   
   35090176 38400332 38160196 38110129 35090022 
   
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