MESOSCALE DISCUSSION 0453
   NWS STORM PREDICTION CENTER NORMAN OK
   0819 PM CDT THU APR 11 2013
   
   AREAS AFFECTED...EASTERN TN/WESTERN NC
   
   CONCERNING...TORNADO WATCH 100...
   
   VALID 120119Z - 120245Z
   
   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 100 CONTINUES.
   
   SUMMARY...SEVERE POTENTIAL INCLUDING A DAMAGING WIND/POSSIBLE
   TORNADO THREAT CONTINUES ACROSS FAR EASTERN TN INTO WESTERN NC.
   TORNADO WATCH 100 CONTINUES UNTIL 06Z.
   
   DISCUSSION...FRAGMENTED QUASI-LINEAR SYSTEM WITH MULTIPLE
   EMBEDDED/MORE INTENSE BANDS CONTINUES TO PROGRESS EAST-NORTHEASTWARD
   ACROSS EASTERN TN /NOW EAST OF I-75/ AND NORTH GA AS OF 01Z...WITH
   OTHER SEMI-DISCRETE SUPERCELLS OCCURRING 30-60 MILES OUTSIDE OF
   TORNADO WATCH 100 ACROSS FAR NORTHEAST GA. SOME SEVERE HAIL/PERHAPS
   A TORNADO THREAT WILL BE POSSIBLE IF THESE SUPERCELLS MAINTAIN THEIR
   GENERAL INTENSITY INTO WESTERN NC...ALTHOUGH A SLIGHTLY COOLER
   BOUNDARY LAYER AND THE INFLUENCE OF THE MOUNTAINS WOULD SUGGEST A
   PROBABLE WEAKENING TREND/LIMITED TORNADO POTENTIAL. OTHERWISE...A
   QUASI-LINEAR CONVECTIVE MODE WILL REMAIN DOMINANT AS STORMS SHIFT
   E-NE TOWARD/EAST OF THE TN/NC BORDER VICINITY...WITH THE POSSIBILITY
   OF LEAST LOCALIZED DAMAGING WINDS/PERHAPS A TORNADO. THE LATEST
   WSR-88D VWP DATA FROM MORRISTOWN SAMPLES A STRONG/NEARLY
   UNIDIRECTIONAL DEEP LAYER WIND PROFILE...WITH 0-6 KM BULK SHEAR OF
   50+ KT AND 0-1 KM SRH OF 150-200 M2/S2. EVEN WHILE NEAR-SURFACE
   ROOTED BUOYANCY WANES...FORCING/SHEAR WILL REMAIN CONDUCIVE FOR
   ORGANIZED/SUSTAINED LINEAR STRUCTURES INCLUDING SOME EMBEDDED SMALL
   SCALE BOWS.
   
   ..GUYER.. 04/12/2013
   
   
   ATTN...WFO...GSP...MRX...
   
   LAT...LON   35538457 36448394 36348200 35118301 35088428 35538457