512
FXUS62 KMFL 130709
AFDMFL
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MIAMI FL
309 AM EDT TUE AUG 13 2013
.DISCUSSION...
HIGH PRESSURE TRIES TO HANG ON FOR ONE MORE DAY. HOWEVER, IT IS
BEGINNING TO WEAKEN AND MOISTURE WILL BEGIN TO RETURN. THIS MAY
ALLOW SOME SHOWERS AND THUNDERSTORMS TO DEVELOP, MAINLY IN THE
INTERIOR AREAS OVER TO THE GULF COAST. HIGH PRESSURE WILL CONTINUE
TO WEAKEN ON WEDNESDAY, AND A STRONG UPPER LEVEL TROUGH DIGS INTO
THE DEEP SOUTH. A COLD FRONT WILL APPROACH NORTH FLORIDA, BEFORE
STALLING OUT. THERE WILL BE CONVECTIVE ACTIVITY THAT WILL LIKELY
THROW OUTFLOW BOUNDARIES TOWARDS SOUTH FLORIDA.
THEN ON THURSDAY, AN AREA OF MOISTURE FROM THE CARIBBEAN SEA, WILL
WORK ITS WAY NORTH AND INTO SOUTH FLORIDA. THIS WILL LIKELY RESULT
IN SHOWERS AND THUNDERSTORMS OVER ALL OF SOUTH FLORIDA BEGINNING
THURSDAY MORNING.
WITH A LARGE UPPER LEVEL TROUGH STALLED OVER THE MISSISSIPPI
VALLEY, MOISTURE WILL CONTINUE TO BE BROUGHT ACROSS FLORIDA,
KEEPING A CHANCE FOR PRECIPITATION THROUGH THE WEEKEND.
&&
.AVIATION...
A FEW SHRAS WILL CONTINUE TO SWEEP WEST ACROSS THE AREA THROUGH THE
EARLY MORNING HOURS. SHRAS AND POSSIBLY A FEW TSRAS ARE EXPECTED TO
DEVELOP LATER THIS AFTERNOON WITH A SLIGHTLY DEEPER MOISTURE SURGE
INTO THE AREA COMBINED WITH DIURNAL HEATING. KAPF SHOULD SEE A GULF
BREEZE DEVELOP AND PUSH INLAND KEEPING MOST CONVECTION ACROSS
INTERIOR AREAS...THEREFORE DID NOT PREVAIL VCTS AT ANY SITE ATTM.
&&
.MARINE...
HIGH PRESSURE IS WEAKENING TODAY.WHILE THIS WILL STILL KEEP AN
EASTERLY FLOW, IN GENERAL, IT WILL ALSO BEGIN TO ALLOW THE RETURN
OF SHOWERS AND THUNDERSTORMS TO THE SOUTH FLORIDA COASTAL WATERS
TODAY. CHANCES OF SHOWERS AND THUNDERSTORMS WILL REMAIN IN THE
FORECAST THROUGH THE WEEKEND.
&&
.PRELIMINARY POINT TEMPS/POPS...
WEST PALM BEACH 90 79 90 79 / 20 - 20 20
FORT LAUDERDALE 89 81 91 80 / 20 - 30 20
MIAMI 90 80 91 79 / 20 - 30 20
NAPLES 91 76 92 77 / 30 - 30 20
&&
.MFL WATCHES/WARNINGS/ADVISORIES...
FL...NONE.
AM...NONE.
GM...NONE.
&&
$$
DISCUSSION/MARINE/FIRE...13/SI
AVIATION/RADAR...10/CD