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Mesoscale Discussion 906
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   MESOSCALE DISCUSSION 0906
   NWS STORM PREDICTION CENTER NORMAN OK
   0337 PM CDT SUN JUN 08 2014

   AREAS AFFECTED...ARKLATEX TO THE ARKLAMISS

   CONCERNING...SEVERE THUNDERSTORM WATCH 262...

   VALID 082037Z - 082200Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 262
   CONTINUES.

   SUMMARY...THE RISK FOR SEVERE THUNDERSTORMS WITH DMGG WINDS AND
   LARGE HAIL CONTINUES ACROSS SEVERE THUNDERSTORM WATCH 262.

   DISCUSSION...INTENSE CONVECTION CONTINUES TRACKING EWD ACROSS SRN AR
   INVOF A RESIDUAL OUTFLOW BOUNDARY DRAPED E/W FROM NEAR PARIS TX EWD
   TO S OF GREENWOOD MS. PRESENT INDICATIONS ARE THAT THIS ACTIVITY
   WILL PROGRESS EWD TO THE ARKLAMISS WHILE BEING SUPPORTED BY STRONG
   INSTABILITY EMANATING FROM PARCELS S OF THE OUTFLOW BOUNDARY...WHERE
   AGITATED BOUNDARY-LAYER CU ARE DETECTED BY VIS IMAGERY. A MID-LEVEL
   CLOUD SWIRL ALIGNING WITH A PROBABLE MCV APPROACHING SHREVEPORT
   VICINITY MAY ALSO ENHANCE CONVECTIVE DEVELOPMENT IN THE WEAKLY
   CAPPED ENVIRONMENT S OF THE OUTFLOW BOUNDARY. WITH AROUND 30-40 KT
   OF EFFECTIVE DEEP SHEAR...SUSTAINED/ORGANIZED THUNDERSTORMS
   INCLUDING SUPERCELLS WILL REMAIN POSSIBLE WITH DMGG WINDS AND LARGE
   HAIL. A TORNADO CANNOT BE RULED OUT NEAR/N OF THE OUTFLOW BOUNDARY
   WHERE BACKED SFC WINDS ENHANCE LOW-LEVEL SRH.

   ..COHEN.. 06/08/2014


   ATTN...WFO...JAN...LZK...SHV...

   LAT...LON   31579439 33719437 33909109 31779112 31579439 

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Page last modified: June 08, 2014
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