MESOSCALE DISCUSSION 0474
   NWS STORM PREDICTION CENTER NORMAN OK
   0935 PM CDT MON APR 13 2009
   
   AREAS AFFECTED...NRN FL
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 153...
   
   VALID 140235Z - 140400Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 153
   CONTINUES.
   
   IF CURRENT TRENDS CONTINUE...REMAINING VALID PORTION OF WW MAY BE
   CANCELLED PRIOR TO 06Z.
   
   THE LEADING EDGE OF THE SURFACE COLD POOL ASSOCIATED WITH THE
   VIGOROUS STORM CLUSTER WHICH PROGRESSED INLAND EAST OF THE BIG BEND
   AREA APPEARS LIKELY TO PROGRESS OFFSHORE BETWEEN JACKSONVILLE AND
   DAYTONA BEACH BY 03Z.  BOUNDARY MAY STALL WESTWARD ACROSS FAR
   NORTHERN PORTIONS OF THE PENINSULA...BUT STRONGEST NEW CONVECTIVE
   DEVELOPMENT THROUGH 06Z MAY BECOME CONFINED TO THE WARM ADVECTION
   REGIME ABOVE ANOTHER STRONGER COLD BUBBLE...ROUGHLY 100-120 MILES
   WEST SOUTHWEST OF CROSS CITY.
   
   ..KERR.. 04/14/2009
   
   
   ATTN...WFO...MLB...TBW...JAX...TAE...
   
   LAT...LON   29728594 29798489 29458390 29278313 29678233 29798137
               29228101 28698169 28348299 28548424 29068613 29728594