MESOSCALE DISCUSSION 0759
   NWS STORM PREDICTION CENTER NORMAN OK
   0104 AM CDT WED MAY 09 2007
   
   AREAS AFFECTED...OK
   
   CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY 
   
   VALID 090604Z - 090730Z
   
   ISOLATED DAMAGING WIND/BRIEF TORNADO THREAT ACROSS PARTS OF NCNTRL
   OK EARLY THIS MORNING. VERY LIMITED SPATIAL EXTENT TO THE SEVERE
   WEATHER THREAT PRECLUDES A WATCH AT THIS TIME.
   
   NONETHELESS...FASCINATING LONG-LIVED MESO-VORTEX CONTINUES ROTATING
   NEWD AT ABOUT 25KT TOWARD NCNTRL OK EARLY TODAY. LONGER RADAR LOOPS
   SHOW THAT SYSTEM HAS UNDERGONE SEVERAL OCCLUSIONS WITH THE LOW LEVEL
   THE CIRCULATION CONTRACTING WITH TIME AS LARGER RAIN SHIELD AROUND
   THE CIRCULATION GRADUALLY SHRINKS. MOIST INFLOW INTO THE VORTEX
   CONTINUES...AND UPPER LEVEL SUPPORT/COUPLING SUGGESTS THAT THE
   SEVERE POTENTIAL MAY BE MAINTAINED OVER THE NEXT HOUR OR SO ALONG A
   RELATIVELY NARROW TRACK/PATH. GIVEN THAT THIS IS THE ONLY STORM
   POSING A SEVERE WIND/BRIEF TORNADO THREAT...A WATCH IS NOT LIKELY.
   
   ..CARBIN.. 05/09/2007
   
   
   ATTN...WFO...OUN...
   
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