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Mesoscale Discussion 333
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   MESOSCALE DISCUSSION 0333
   NWS STORM PREDICTION CENTER NORMAN OK
   0443 AM CDT FRI APR 17 2015

   AREAS AFFECTED...WEST-CENTRAL/SOUTHWEST OK

   CONCERNING...SEVERE THUNDERSTORM WATCH 66...

   VALID 170943Z - 171045Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 66
   CONTINUES.

   SUMMARY...LOCALLY DAMAGING WINDS/SMALL HAIL MAY REMAIN POSSIBLE IN
   THE SHORT-TERM ACROSS WESTERN/SOUTHWEST OK...BUT OVERALL CONVECTIVE
   INTENSITY SHOULD DIMINISH THROUGH THE EARLY MORNING HOURS AND NO
   ADDITIONAL WATCH ISSUANCES ARE ANTICIPATED.

   DISCUSSION...A WELL-ORGANIZED SQUALL LINE WITH AN EMBEDDED BOOKEND
   VORTEX HAS TENDED TO BECOME SOMEWHAT LESS ORGANIZED/INTENSE SINCE
   09Z/4AM CDT AS IT ENCOUNTERS A SURFACE COLD POOL ACROSS
   NORTHWEST/WEST-CENTRAL OK. WHILE AN EMBEDDED MCV AND
   WEAK/SEMI-STABLE EASTERLY LOWER-LEVEL INFLOW WILL CONTINUE TO
   SUSTAINED THIS CONVECTIVE COMPLEX EASTWARD...A DIMINISHING
   ORGANIZATION/INTENSITY TREND IS PROBABLE AS STABILITY/CINH CONTINUE
   TO INCREASE VIA BOUNDARY LAYER COOLING. FOR THESE REASONS...AN
   ADDITIONAL SEVERE THUNDERSTORM WATCH ISSUANCE IS NOT EXPECTED TO THE
   EAST OF EXPIRING /10Z/ SEVERE THUNDERSTORM WATCH 66.

   ..GUYER.. 04/17/2015


   ATTN...WFO...OUN...LUB...

   LAT...LON   36079925 36139873 36139825 35659767 34889776 34199898
               34269976 34350004 35449990 35889964 36079925 

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Page last modified: April 17, 2015
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