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Mesoscale Discussion 230
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   MESOSCALE DISCUSSION 0230
   NWS STORM PREDICTION CENTER NORMAN OK
   0622 PM CDT THU MAR 17 2016

   AREAS AFFECTED...SERN LA...SRN MS...SRN AL

   CONCERNING...SEVERE THUNDERSTORM WATCH 46...

   VALID 172322Z - 180015Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 46
   CONTINUES.

   SUMMARY...SEVERE THREAT WILL GRADUALLY SHIFT SOUTH OF WW46 OVER THE
   NEXT 1-2 HOURS.  NEW WW IS NOT ANTICIPATED.

   DISCUSSION...PROGRESSIVE MCS HAS MATURED AND EXPANDED IN AREAL
   COVERAGE OVER SERN LA/MS/AL EARLY THIS EVENING.  THIS COMPLEX OF
   STORMS IS PROPAGATING SEWD AT ROUGHLY 30KT WITH THE LEADING EDGE OF
   STRONGER REFLECTIVITY EXPECTED TO BE SOUTH OF WW46 BY 01Z.  WEAK
   WARM ADVECTION WILL LIKELY AID FURTHER ISOLATED DEVELOPMENT ACROSS
   THE UPPER TX COAST INTO SWRN LA BEYOND WATCH EXPIRATION BUT AREAL
   COVERAGE/INTENSITY MAY NOT PROVE ADEQUATE FOR A NEW WATCH.  LARGE
   HAIL REMAINS THE PRIMARY SEVERE THREAT.

   ..DARROW.. 03/17/2016


   ATTN...WFO...BMX...MOB...JAN...LIX...LCH...SHV...HGX...

   LAT...LON   32719461 32068770 30208770 30849461 32719461 

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