MESOSCALE DISCUSSION 1413
   NWS STORM PREDICTION CENTER NORMAN OK
   1037 AM CDT FRI JUL 03 2009
   
   AREAS AFFECTED...NRN FL
   
   CONCERNING...OUTLOOK UPGRADE 
   
   VALID 031537Z - 031630Z
   
   A SLIGHT RISK WILL BE ADDED TO MUCH OF THE IMMEDIATE CNTRL GULF
   COAST AND PORTIONS OF THE NRN/CNTRL FL PENINSULA.
   
   BOUNDARY LAYER IS WARMING RAPIDLY ACROSS NRN FL WITH SFC
   TEMPERATURES NOW APPROACHING 90F JUST SOUTH OF WIND SHIFT.  AS A
   RESULT...AIRMASS IS QUITE BUOYANT WITH MLCAPE VALUES ON THE ORDER OF
   2500 J/KG...AND THIS IS SUPPORTED BY 12Z SOUNDINGS AT BOTH TLH AND
   JAX.  THUNDERSTORMS ARE BEGINNING TO ORGANIZE WITHIN DEEP WLY FLOW
   ACROSS THE NRN GULF OF MEXICO...EWD ACROSS THE SRN FL PANHANDLE
   TOWARD GNV.  THIS ACTIVITY SHOULD GRADUALLY EXPAND IN AREAL COVERAGE
   WITH PROPAGATION COMPONENT TO THE SOUTH OF EAST.  STRONG TO POSSIBLY
   SEVERE CONVECTION SHOULD SPREAD ACROSS THE NRN FL PENINSULA OVER THE
   NEXT FEW HOURS WITH THE PRIMARY THREAT BEING DAMAGING WINDS.
   
   ..DARROW.. 07/03/2009
   
   
   ATTN...WFO...MLB...TBW...JAX...TAE...
   
   LAT...LON   30198500 29958135 28778073 28978315 29078730 29818772
               30198500