Area Forecast Discussion
Issued by NWS Tampa Bay Area, FL

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FXUS62 KTBW 181402
AFDTBW

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
902 AM EST THU DEC 18 2014

.UPDATE...
A FRONTAL BOUNDARY ACROSS SOUTH FLORIDA WILL WASH OUT AS IT MOVES
INTO THE STRAITS LATER TODAY. ZONAL FLOW ALOFT AND SURFACE HIGH
PRESSURE IN THE WAKE OF THE FRONT WILL MAINTAIN PLEASANT DRY WEATHER
ACROSS THE FORECAST AREA THE REST OF TODAY...WHILE A STRONG UPPER
LEVEL JET EXTENDING FROM MEXICO NORTHEASTWARD ACROSS THE DEEP SOUTH
WILL PROVIDE INTERVALS OF HIGH CLOUDS THROUGH THE DAY RESULTING IN
PARTLY SUNNY SKIES. TEMPERATURES WILL REMAIN BELOW SEASONAL NORMS
WITH HIGHS RANGING FROM THE MID AND UPPER 60S ACROSS THE NATURE
COAST TO AROUND 70 TO THE LOWER 70S CENTRAL AND SOUTH. ONGOING
FORECAST IS IN GREAT SHAPE WITH NO MORNING UPDATE REQUIRED AT THIS
TIME.

&&

.AVIATION...
MAINLY VFR IS EXPECTED DURING THE NEXT 24 HOURS WITH INTERVALS OF
HIGH CLOUDS AOA 200 EXPECTED. MAY SEE SOME BRIEF MVFR VSBYS DEVELOP
AFTER 09Z EARLY FRIDAY MORNING AS SOME PATCHY FOG DEVELOPS...BUT
OVERALL COVERAGE SHOULD REMAIN TOO LOW TO MENTION IN THE TAFS AT
THIS TIME. VARIABLE WINDS LESS THAN 5 KNOTS THIS MORNING WILL BECOME
NORTHWEST AT 6 TO 8 KNOTS AFTER 15Z...BECOMING VARIABLE LESS THAN 5
KNOTS AGAIN AFTER 02Z TONIGHT.

&&

.MARINE...
HIGH PRESSURE IS BUILDING IN BEHIND AN EXITING COLD FRONT THIS
MORNING. THE NEXT SYSTEM WILL MOVE THROUGH THE NORTHERN GULF AND
MISSISSIPPI RIVER VALLEY TO CLOSE OUT THE WEEK...ARRIVING IN THE
WATERS LATER THIS WEEKEND. MARINERS CAN EXPECT WINDS AND WAVES TO
INCREASE AS CONDITIONS DETERIORATE AHEAD OF THIS WEEKEND/S FRONTAL
SYSTEM. NO CHANGES EXPECTED IN THE LATE MORNING FORECAST ISSUANCE.

&&

.TBW WATCHES/WARNINGS/ADVISORIES...
FL...NONE.
GULF WATERS...NONE.
&&

$$

UPDATE/AVIATION...57/MCMICHAEL
MARINE...02/GARCIA
DECISION SUPPORT...03/PAXTON




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