MESOSCALE DISCUSSION 1217
   NWS STORM PREDICTION CENTER NORMAN OK
   0534 PM CDT THU JUN 18 2009
   
   AREAS AFFECTED...PARTS OF NW FL AND THE ERN FL PANHANDLE INTO S
   CENTRAL GA
   
   CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY 
   
   VALID 182234Z - 190000Z
   
   CLUSTER OF STRONG/LOCALLY-SEVERE STORMS CONTINUES ACROSS PARTS OF N
   FL AND THE ERN FL PANHANDLE.
   
   WHILE MUCH OF THE NRN AND CENTRAL FL PENINSULA HAS BEEN STABILIZED
   BY PRIOR CONVECTION...MODERATELY-UNSTABLE AIRMASS ACROSS GA EXTENDS
   SWD INTO A SMALL PORTION OF N FL AND INTO THE FL PANHANDLE ATTM.  A
   SMALL CLUSTER OF ONGOING STORMS CONTINUES ACROSS NWRN FL AND THE ERN
   PANHANDLE...ALONG THE SWD EXTENSION OF A SUBTLE N-S BOUNDARY
   EXTENDING SWD FROM CENTRAL GA.  GIVEN THE DEGREE OF
   INSTABILITY...EXPECT STORMS TO PERSIST -- AIDED BY 30 TO 35 KT NNELY
   FLOW IN THE 3-7 KM LAYER.  AS STORMS PERSIST ACROSS THIS AREA -- AND
   WITH ONGOING CONVECTION NOW OVER CENTRAL GA EXPECTED TO MOVE SWD
   INTO THIS REGION LATER THIS EVENING...A LOCAL/SWD EXTENSION IN AREA
   OF WW 469 MAY BECOME NECESSARY.
   
   ..GOSS.. 06/18/2009
   
   
   ATTN...WFO...TBW...JAX...TAE...
   
   LAT...LON   29998420 30448447 31228430 31318244 30958228 28998278
               29508328 29998420