353 FXUS72 KMFL 181325 SFDMIA STATE FORECAST DISCUSSION NATIONAL WEATHER SERVICE MIAMI FL 930 AM EDT FRI JUN 18 1999 VORTICITY ASSOCIATED WITH UPPER LOW OVER ATLANTIC NORTH OF THE SOUTHERN BAHAMAS IS HELD EAST OF THE AREA BY THE MODELS WITH LITTLE SUBSIDENCE REACHING SOUTH FLORIDA THROUGH FORECAST PERIOD. MOISTURE PROGS ALSO KEEP AXIS OF DEEPEST MOISTURE ACROSS SOUTH FLORIDA THROUGH SATURDAY. ON THE OTHER HAD MOISTURE PROGS BRING LITTLE DRIER AIR INTO NORTHERN ZONES TODAY BEHIND COLD FRONT WHICH PUSHES SOUTH TO NEAR ST AUGUSTINE TO CEDAR KEY LINE BY 00Z SAT. DEEP MOISTURE SUPPLY AND PWATS NEAR 2 INCHES WILL KEEP AFTERNOON CONVECTON FAIRLY WIDESPREAD AGAIN THIS AFTERNOON MOST AREAS. NO MAJOR CHANGES EXPECTED. .MIA...NONE.