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Mesoscale Discussion 2219
MD 2219 graphic
   
   MESOSCALE DISCUSSION 2219
   NWS STORM PREDICTION CENTER NORMAN OK
   1035 PM CDT WED SEP 15 2004
   
   AREAS AFFECTED...SRN AL...SWRN GA AND FL PNHDL
   
   CONCERNING...TORNADO WATCH 825...
   
   VALID 160335Z - 160530Z
   
   TORNADO WATCH 825 REMAINS IN EFFECT FOR SRN AL...SWRN GA AND FL
   PNHDL AND IS SET TO EXPIRE AT 07Z.  ANOTHER TORNADO WATCH WILL BE
   NEEDED AFTER THAT TIME...AND THE NRN EDGE COULD BE SHIFTED FARTHER
   INTO CNTRL AL AND WCNTRL GA.
   
   THE CENTER OF HRCN IVAN CONTINUES TO MOVE CLOSER TO SHORE...0330Z
   POSITION 40NM SOUTH OF THE AL BORDER. OUTER SPIRAL RAINBAND THAT HAS
   BEEN ROTATING NWWD ACROSS THE CNTRL FL PNHDL INTO SERN AL HAS
   INTENSIFIED AGAIN.  USING A STORM MOTION OF 150/45...STORM RELATIVE
   HELICITY VALUES CALCULATED OFF THE DOTHAN VWP ARE IN EXCESS OF 530
   M2/S2. STRONGER WIND FIELDS WILL EXPAND NWD INTO SRN AL AND SWRN GA
    THROUGH FRIDAY MORNING AND THE TORNADO THREAT WILL CORRESPONDINGLY
   TRANSLATE NWD.
   
   ..RACY.. 09/16/2004
   
   
   ATTN...WFO...FFC...TAE...BMX...MOB...
   
   30298826 32588826 31948394 30618391 29578393 
   
   32908807 33098713 33148546 32978450 32348384 31958397
   32638819 
   
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