HAZARDOUS WEATHER OUTLOOK
Issue Date: 236 PM EST WED DEC 16 2009
Expiration: 730 PM EST WED DEC 16 2009
...WATERSPOUTS POSSIBLE WITH SHOWERS AND THUNDERSTORMS ATLANTIC
COASTAL WATERS...
...ISOLATED THUNDERSTORMS POSSIBLE INLAND AND SOUTHWEST GULF COAST
AREAS THIS AFTERNOON...
...STRONG THUNDERSTORMS POSSIBLE LATE THURSDAY NIGHT AND FRIDAY...
THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA.
.DAY ONE...THIS AFTERNOON AND TONIGHT
THUNDERSTORMS: AFTERNOON HEATING COMBINED WITH PLENTY OF SURFACE
MOISTURE AND CONVERGENCE BETWEEN A WEAK NORTHEAST WIND FLOW AND AN
EXPECTED GULF COAST SEABREEZE WILL RESULT IN ISOLATED
THUNDERSTORMS MAINLY ALONG AND SOUTH OF ALLIGATOR ALLEY AND WEST
OF THE BROWARD AND DADE METRO AREAS THIS AFTERNOON. THE MAIN
HAZARDS ASSOCIATED WITH THESE THUNDERSTORMS WILL BE OCCASIONAL
DANGEROUS LIGHTNING STRIKES, BRIEF HEAVY RAINS AND WIND GUSTS AS
HIGH AS 45 MILES AN HOUR.
WATERSPOUTS: A FAVORABLE LOW LEVEL WIND PROFILE AND A WEAK
CONVERGENCE LINE OFFSHORE THE MAINLAND SOUTH FLORIDA ATLANTIC
COAST WILL MEAN THAT WATERSPOUTS WILL BE POSSIBLE WITH ANY SHOWERS
AND THUNDERSTORMS THAT DEVELOP IN THE ATLANTIC COASTAL WATERS OF
PALM BEACH, BROWARD AND MIAMI-DADE COUNTIES THIS AFTERNOON AND EVENING.
VISIBILITY: ATCHES OF DENSE FOG ARE POSSIBLE AGAIN TONIGHT MAINLY
ACROSS THE INTERIOR SECTIONS OF MAINLAND SOUTH FLORIDA, ESPECIALLY
IN THE BIG CYPRESS AND EVERGLADES NATIONAL PARK AREAS.
.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY
A LOW PRESSURE SYSTEM WILL DEVELOP IN THE GULF OF MEXICO AND MOVE
ACROSS NORTH FLORIDA ON FRIDAY WITH A TRAILING COLD FRONT MOVING
ACROSS SOUTH FLORIDA SATURDAY MORNING. THIS WILL RESULT IN AN
INCREASING CHANCE OF THUNDERSTORMS LATE THURSDAY THROUGH FRIDAY
ENDING WITH THE PASSAGE OF THE COLD FRONT. SOME OF THESE STORMS
COULD BE STRONG OR POSSIBLY EVEN SEVERE PARTICULARLY ON FRIDAY.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT. SPOTTER
ACTIVATION MAY BE NEEDED LATE THURSDAY AND FRIDAY.
FOR MORE INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN
MIAMI WEBSITE AT WWW.WEATHER.GOV/MIAMI.
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