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Mesoscale Discussion 282
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   MESOSCALE DISCUSSION 0282
   NWS STORM PREDICTION CENTER NORMAN OK
   0345 AM CDT FRI APR 04 2014

   AREAS AFFECTED...PORTIONS OF SRN TN...NRN/CNTRL/WRN MS...NERN LA

   CONCERNING...TORNADO WATCH 58...

   VALID 040845Z - 040945Z

   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 58 CONTINUES.

   SUMMARY...THE SVR RISK CONTINUES ACROSS REMAINING VALID PORTIONS OF
   TORNADO WATCH 58.

   DISCUSSION...A MATURE...FORWARD-PROPAGATING MCS EXTENDS FROM SWRN TN
   TO W-CNTRL MS AND INTO NRN LA. THE STRONGEST EWD SURGE OF THE
   LEADING CONVECTIVE LINE FEATURING 50 KT OF STORM MOTION AND BOWING
   CHARACTERISTICS WILL CONTINUE TO CROSS NRN MS NWD TO A BOOKEND
   VORTEX CROSSING SRN TN. THIS ACTIVITY WILL POSE THE GREATEST
   POTENTIAL FOR DMGG WIND GUSTS AND LINE-EMBEDDED MESO-VORTICES AND
   TORNADOES. CONVECTION S OF THE PRIMARY BOWING SEGMENT WILL ALSO POSE
   A RISK FOR DMGG WIND GUSTS AND POSSIBLY TORNADOES...AS DGX VWP DATA
   SAMPLE A 50 KT LLJ AT 1 KM AGL STRONGLY TO ENHANCE LOW-LEVEL SHEAR
   AMIDST A MOIST BOUNDARY LAYER. THE SVR RISK WILL BE NIL BEHIND THE
   LEADING CONVECTIVE LINE.

   ..COHEN.. 04/04/2014


   ATTN...WFO...HUN...MEG...JAN...SHV...

   LAT...LON   32559264 33419022 34498927 35458915 35758833 35388803
               33998843 32838943 32199020 31899159 32219281 32559264 

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Page last modified: April 04, 2014
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