Area Forecast Discussion
Issued by NWS Pago Pago

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000
FXZS60 NSTU 020117
AFDPPG

AREA FORECAST DISCUSSION FOR AMERICAN SAMOA AND INDEPENDENT SAMOA
NATIONAL WEATHER SERVICE PAGO PAGO AS
217 PM SST SAT AUG 1 2015

.SHORT TERM...
TONIGHT THROUGH MONDAY NIGHT...SATELLITE IMAGERIES SHOW AN ACTIVE
TROUGH SLIGHTLY TO THE NORTH AND A FEW LOW CLOUDY ACROSS THE
ISLANDS. A BROAD AREA OF MID CLOUDS IS SLOWLY MOVING EASTWARD.
RAOB FROM THIS AFTERNOON DEPICTS A STABLE PROFILE OVER THE
ISLANDS. MODELS SUGGEST THAT THE SURFACE TROUGH SLIGHTLY TO THE
NORTH WILL DESCEND SOUTH ACROSS THE ISLANDS LATE TONIGHT AND
REMAINS THROUGH MONDAY NIGHT. SHOWERS WILL INCREASE TO NUMEROUS
LATE TONIGHT WHILE TRADES WILL BUILD TO VERY STRONG CONDITIONS ON
SUNDAY NIGHT THROUGH MONDAY.

.LONG TERM...
TUESDAY THROUGH SATURDAY...PRESSURE GRADIENT WILL DECREASE OVER
THE ISLANDS AS THE TROPICAL DEPRESSION NEAR EAST OF SOLOMON
DRIFTS SOUTH. HIGH PRESSURE TO THE SOUTH WILL CONTINUE TO MIGRATE
EASTWARD AND THE ACTIVE SURFACE TROUGH WILL MOVE FARTHER NORTH ON
TUESDAY. THEREFORE...STABLE WEATHER PATTERNS WILL DOMINATE MOST OF
THE LONG TERM.

&&

.MARINE...
HAZARDOUS SEAS 8 TO 10 FT WILL RISE 9 TO 12 ON SUNDAY NIGHT
THROUGH MONDAY. SEAS WILL SUBSIDE AGAIN 8 TO 10 FT ON MONDAY
NIGHT.

&&

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

&&

$$

MALALA






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