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Mesoscale Discussion 306
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   MESOSCALE DISCUSSION 0306
   NWS STORM PREDICTION CENTER NORMAN OK
   1250 AM CDT MON APR 07 2014

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

   CONCERNING...SEVERE POTENTIAL...WATCH NEEDED SOON 

   VALID 070550Z - 070615Z

   PROBABILITY OF WATCH ISSUANCE...95 PERCENT

   SUMMARY...A NEW TORNADO WATCH REPLACING TORNADO WATCH 65 WILL BE
   ISSUED SHORTLY.

   DISCUSSION...SLY WINDS IN ADVANCE OF A SFC CYCLONE ANALYZED SW OF
   JACKSON MS METRO WILL DRIVE MARITIME TROPICAL AIR/MARGINAL BUOYANCY
   NWD INTO ACROSS CNTRL AL. THE APPROACH OF A SHORTWAVE TROUGH WILL
   ENCOURAGE THE EWD/ENEWD SPREAD OF ONGOING SVR THREAT ACROSS CNTRL MS
   TO S-CNTRL LA. THIS WILL OCCUR AS A 60-KT LLJ IS SUSTAINED. STRONG
   LOW-LEVEL AND DEEP SHEAR WILL FOSTER A TORNADO THREAT WITH
   SEMI-DISCRETE/QLCS CONVECTIVE MODES. THE TORNADO RISK WILL CONTINUE
   THROUGH THE EARLY MORNING HOURS...WARRANTING SUBSEQUENT TORNADO
   WATCH ISSUANCE.

   ..COHEN/CORFIDI.. 04/07/2014


   ATTN...WFO...TAE...BMX...MOB...JAN...LIX...LCH...

   LAT...LON   29499180 32378923 33548801 33778659 33538557 32438521
               30158690 29228902 29499180 

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Page last modified: April 07, 2014
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