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020
FXZS60 NSTU 240055
AFDPPG

AREA FORECAST DISCUSSION FOR AMERICAN SAMOA AND INDEPENDENT SAMOA
NATIONAL WEATHER SERVICE PAGO PAGO AS
155 PM SST WED JUL 23 2014

.SHORT TERM (TONIGHT THROUGH FRIDAY NIGHT)...
LATEST SATELLITE IMAGERY SHOWS A FRONTAL BOUNDARY JUST PASSING
OVER THE SAMOAN ISLANDS. THIS IS BRINGING AN UPTICK IN SHOWERS AND
CLOUDS AS WELL AS MODERATE TO FRESH SOUTHERLY WINDS. LATEST
SOLUTIONS SHOW A BUILDING HIGH PRESSURE SYSTEM FAR SOUTHWEST OF
THE ISLANDS...PUSHING THIS BOUNDARY NORTH OF THE ISLANDS THROUGH
TONIGHT. ALTHOUGH THERE IS AN IMPROVING TREND IN WEATHER
CONDITIONS AFTER TONIGHT...THE MODERATE TO FRESH TRADES WILL
REMAIN THROUGH THE SHORT TERM AS THE AFOREMENTIONED HIGH PRESSURE
SYSTEM CONTINUE TO MIGRATE EAST.

.LONG TERM (SATURDAY THROUGH WEDNESDAY)...
MODERATE TO FRESH TRADES WILL PREVAIL ACROSS THE AREA THROUGH THE
LONG TERM AS THE AFOREMENTIONED HIGH PRESSURE SYSTEM CONTINUES TO
MOVE EAST. A SLIGHT UPTICK IN CLOUDS AND SHOWERS ARE EXPECTED
SUNDAY THROUGH THE REMAINDER OF LONG TERM AS REMNANTS FROM THE
AFOREMENTIONED TROUGH TO THE NORTH DRIFTS OVER THE ISLANDS.

&&

.MARINE...
A LARGE SOUTHERLY SWELL REACHING COASTAL WATERS TONIGHT WILL
PROMPT THE ISSUANCE OF A HIGH SURF ADVISORY. THIS SWELL WILL
REMAIN THROUGH SATURDAY NIGHT WHERE IT DIMINISHES TO BELOW ADVISORY
LEVELS...BEFORE ANOTHER SOUTHERLY SWELL REACHES COASTAL WATERS ON
MONDAY.

COMBINATION OF MODERATE TO FRESH WINDS AND HIGH SEAS WILL KEEP AN
ADVISORY FOR SMALL CRAFTS THROUGH SUNDAY NIGHT.

&&

.PPG WATCHES/WARNINGS/ADVISORIES...
A HIGH SURF ADVISORY IS IN EFFECT
A SMALL CRAFT ADVISORY IS IN EFFECT

&&

$$
LUTU-MCMOORE







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