000
FXUS62 KMFL 190711
AFDMFL

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MIAMI FL
311 AM EDT FRI SEP 19 2008

CURRENTLY 88-D LOOPS INDICATES WIDELY SCATTERED SHOWERS MOVING WSW
FROM THE ATLC TOWARD S FLA WITH SOME OF THE ACTIVITY MOVING ONTO
PALM BEACH COUNTY AND EXTENDING IN TO THE W INTERIOR.

.DISCUSSION...THE UNSEASONABLE DEEP UPPER TROUGH ALONG THE U.S. E
SEA BOARD HAS MOVED E INTO THE ATLC. A SHORT WAVE RIDGE EXTENDING
FROM THE NE GULF OF MEX N INTO THE OH RIVER VALLEY MOVES E OVER THE
FLA PENINSULA TODAY AND TONIGHT AS ANOTHER UPPER LOW DIGS INTO THE
MID MS RIVER VALLEY. THIS UPPER LOW BECOMES CUT OFF FROM THE UPPER
FLOW AND MEANDERS NORTHWARD AND WEAKENS OVER THE UPPER MIDWEST MON.
A LONG WAVE RIDGE DEVELOPS AND EXTENDS FROM THE GULF OF MEX TO N OF
THE GREAT LAKES TUE...MOVING E TO NEW ENGLAND WITH A CLOSED UPPER
LOW FORMING OVER THE MID ATLC STATES WED AND THU.

FOR THE SHORT TERM...TODAY THROUGH SUN...ATMOSPHERE A BIT DRIER BUT
SCATTERED POPS STILL EXPECTED...MAINLY ALONG THE E COAST THIS
MORNING AND IN THE INTERIOR AND W THIS AFTERNOON. SOME E COAST
NOCTURNAL SHOWERS TONIGHT. RIDGE OVER THE AREA SAT INTO SUN PUTS A
DRY MID LEVEL CAPPING LAYER OVER S FLA AND POPS AGAIN A BIT LOWER.

.EXTENDED PERIOD...MON THROUGH THU...GRADUAL MOISTENING THE
ATMOSPHERE OCCURS AS A WEAK SURFACE TROUGH CURRENTLY OVER THE
BAHAMAS MOVES OVER S FLA. SCATTERED POPS EXPECTED WITH NEAR NORM
TEMPS.

&&
.MARINE...WINDS NE 10 TO 15 KNOTS TODAY DUE TO LOW PRES DEVELOPING
WELL OFF OF THE COAST E OF JAX. WINDS BECOME E TONIGHT INTO THE
WEEKEND AND DECREASE TO 10 KNOTS. WINDS BACK TO 10 TO 15 KNOTS NEXT
WEEK. GULF STREAM SEAS TO 5 FEET TODAY BUT BECOMING 4 FEET OR LESS
THE REMAINDER OF THE PERIOD. AT TIMES EARLY NEXT WEEK.

&&
.FIRE WEATHER...MINIMUM RH ABOVE CRITICAL VALUES THROUGH THE PERIOD.
NO PROBLEMS.

&&

.PRELIMINARY POINT TEMPS/POPS...
WEST PALM BEACH  89  75  89  76 / 40 20 30 30
FORT LAUDERDALE  89  78  88  77 / 40 20 30 30
MIAMI            90  77  89  77 / 40 20 30 30
NAPLES           91  74  90  73 / 40 10 30 30

&&

.MFL WATCHES/WARNINGS/ADVISORIES...
FL...NONE.
AM...NONE.
GM...NONE.
&&

$$

LONG TERM...15/JR
SHORT TERM/AVIATION...04/AT