Area Forecast Discussion
Issued by NWS Tampa Bay Area, FL

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FXUS62 KTBW 290117
AFDTBW

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
817 PM EST FRI NOV 28 2014

.FOR THE EVENING UPDATE...
POLAR AIR MASS ASSOCIATED WITH SURFACE HIGH PRESSURE OVER THE
SOUTHEAST U.S. PERSISTS OVER THE FORECAST AREA IN THE WAKE OF A
STRONG COLD FRONT. CLEAR SKIES AND LIGHT OFFSHORE WINDS WILL
CREATE IDEAL CONDITIONS FOR STRONG RADIATIONAL OVERNIGHT WITH A
FROST ADVISORY IN EFFECT FOR LEVY AND CITRUS COUNTIES.
OVERNIGHT LOWS WILL RUN 10 TO 15 DEGREES BELOW CLIMATIC
NORMALS WITH LOWS IN THE LOWER TO MID 30S ACROSS THE NATURE
COAST...LOWER TO MID 40S CENTRAL...AND UPPER 40S SOUTH.

SURFACE HIGH PRESSURE WILL SLIDE OFF THE MID ATLANTIC COAST ON
SATURDAY WITH BOUNDARY LAYER WINDS VEERING TO THE NORTHEAST AND
EAST. COLD AIR MASS CURRENTLY OVER THE FORECAST AREA WILL
MODERATE RATHER QUICKLY NEXT COUPLE OF DAYS AS BOUNDARY LAYER WINDS
OFF THE ATLANTIC INCREASE LOW LEVEL MOISTURE...COMBINED WITH
INCREASING HEIGHTS AS AN U/L RIDGE BUILDS OVER FLORIDA PENINSULA
WILL ALLOW TEMPERATURES AND DEW POINTS TO MODERATE 5 TO 7 DEGREES
SATURDAY AND ANOTHER 5 TO 7 DEGREES ON SUNDAY.

CURRENT ZONES ARE ON TRACK WITH NO UPDATE PLANNED.

&&

.AVIATION...
VFR CONDITIONS NEXT 24 HOURS WITH MOSTLY CLEAR SKIES.

&&

.MARINE...
HIGH PRESSURE CENTERED TO THE NORTH COVERS MOST OF THE
EASTERN UNITED STATES. NORTHEAST WINDS HAVE WEAKEN SLIGHTLY AND THIS
WILL BE ENOUGH TO DROP THE SCEC HEADLINES FROM TARPON SPRINGS SOUTH.
FOR THE WEEKEND...THE WINDS AND SEAS WILL CONTINUE TO WEAKEN EACH
DAY AS THE HIGH PRESSURE TO THE NORTH MOVES INTO THE ATLANTIC.

&&

.TBW WATCHES/WARNINGS/ADVISORIES...
FL...FROST ADVISORY FROM 2 AM TO 8 AM EST SATURDAY FOR COASTAL
     CITRUS-COASTAL LEVY-INLAND CITRUS-INLAND LEVY.

GULF WATERS...NONE.
&&

$$

UPDATE/AVIATION...13/OGLESBY
MARINE...007/DOUGHERTY
DECISION SUPPORT...72/NOAH





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