Area Forecast Discussion
Issued by NWS Pago Pago

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FXZS60 NSTU 240033
AFDPPG

AREA FORECAST DISCUSSION FOR AMERICAN SAMOA AND INDEPENDENT SAMOA
NATIONAL WEATHER SERVICE PAGO PAGO AS
133 PM SST TUE AUG 23 2016

.SHORT TERM...
TONIGHT THROUGH THURSDAY NIGHT...LATEST SATELLITE IMAGERY SHOWS
A BROAD BAND OF SHOWERY CLOUDS ACROSS THE SAMOAN ISLANDS MOVING
NORTH SLOWLY. BEHIND THIS BAND IS EVIDENCE OF A HIGH PRESSURE
SYSTEM TO THE SOUTHWEST OF THE TERRITORY. LATEST MODEL SOLUTIONS
SHOW THE AFOREMENTIONED HIGH PRESSURE STRENGTHENING AS IT MOVES
EAST. THIS BUILDING HIGH PRESSURE WILL PUSH THE AFOREMENTIONED
TROUGH TO THE NORTH THROUGH TONIGHT. HENCE...WE WILL SEE A
DOWNWARD TREND IN CLOUDS AND SHOWERS BY WEDNESDAY...BUT THE
MODERATE TO FRESH TRADES WILL CONTINUE TO REMAIN.

.LONG TERM...
FRIDAY THROUGH TUESDAY...MODERATE TO FRESH TRADES WILL PREVAIL
ACROSS THE ISLANDS THROUGH THE LONG TERM AS THE AFOREMENTIONED
HIGH PRESSURE CONTINUE TO MOVE EAST. LATEST MODEL SOLUTIONS SHOW
WIND SPEEDS SLIGHTLY DIMINISHING AS THE SOUTHEAST WINDS BECOME MORE
EAST BY AT LEAST SUNDAY AS THE AFOREMENTIONED HIGH PRESSURE CENTER
IS LOCATED FAR SOUTHEAST OF THE TERRITORY. HENCE...WILL ADJUST
THE FORECAST SLIGHTLY TO REFLECT THIS DIMINISHING TREND AS WELL AS
THE TURNING OF THE WINDS IN THE LONG TERM.

&&

.MARINE...
CURRENT AUNUU OBSERVATIONS CONTINUE TO SHOW OBSERVATIONS REMAINING
FAR ABOVE THE WAVE WATCH FORECAST. THE FORECAST SHOW HEIGHTS
TRENDING UPWARDS AND EXCEEDING THRESHOLDS WEDNESDAY DUE TO
MULTIPLE SOUTH AND SOUTHEAST SWELLS. ALSO THE FRESH TRADES ARE
EXPECTED TO LAST THROUGH THE FORECAST PACKAGE. HENCE...WILL
CONTINUE BOTH ADVISORIES FOR HIGH SURFS AND SMALL CRAFTS THROUGH
THE WEEK.

&&

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

&&

$$

LUTU-MCMOORE





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