Area Forecast Discussion
Issued by NWS Pago Pago

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000
FXZS60 NSTU 300126
AFDPPG

AREA FORECAST DISCUSSION FOR AMERICAN SAMOA AND INDEPENDENT SAMOA
NATIONAL WEATHER SERVICE PAGO PAGO AS
226 PM SST THU JAN 29 2015

.SHORT TERM...
.TONIGHT THROUGH SATURDAY NIGHT...A MONSOONAL TROUGH AXIS RUNS FROM
VANUATU NORTHEASTWARD TO TUVALU...THEN TURNED SOUTHEASTWARD TO BEYOND
UPOLU AND TUTUILA...MOVING NEARLY STATIONARY. WET WEATHER CONDITIONS
AND ISOLATED THUNDERSTORMS WILL CONTINUE TO IMPACT THE REGION ESPECIALLY
THE COASTAL WATERS. COMPUTER MODELS NOW SUGGEST THAT THE MONSOONAL
TROUGH WILL MOVE EAST-SOUTHEAST FRIDAY NIGHT INTO SATURDAY AFTERNOON.
THIS WILL ALLOW HEAVY RAINFALL TO MOVE ACROSS MANUA THROUGH SATURDAY
NIGHT WHILE ISOLATED TO SCATTERED SHOWERS ARE EXPECTED OVER TUTUILA
WESTWARD. STRONG GUSTS WILL REMAIN NEAR TUTUILA WESTWARD THROUGH
FRIDAY EVENING...AND OVER MANUA THROUGH SATURDAY NIGHT.

.LONG TERM...
.SUNDAY THROUGH THURSDAY...A TROUGH FROM THE NORTH WILL USHER
SCATTERED TO NUMEROUS SHOWERS AND ISOLATED TSTMS STARTING MONDAY
THROUGH TUESDAY AFTERNOON. COMPUTER MODELS HAVE STRUGGLED TO
MAINTAIN THE LOCATION OF THE AFOREMENTIONED MONSOONAL TROUGH FROM
THE SHORT-TERM PERIOD...THUS WET WEATHER CONDITIONS WILL LIKELY
CONTINUE THROUGH THE MIDWEEK.

&&

.MARINE...THE LATEST WAVE WATCH MODEL SUGGEST SEA HEIGHTS OF 8 TO
10 FEET THROUGH SATURDAY. HAZARDOUS SURFS AND SEAS WILL GRADUALLY
SUBSIDE TO NEAR 6 TO 8 FEET DURING SATURDAY NIGHT.

&&

.PPG WATCHES/WARNINGS/ADVISORIES...
.A WIND ADVISORY FOR ALL OF AMERICAN SAMOA.
.A FLASH FLOOD WATCH UNTIL FRIDAY NIGHT.
.A HIGH SURF ADVISORY FOR NORTH FACING REEFS.
.A SMALL CRAFT ADVISORY.
.A SPECIAL WEATHER STATEMENT.

&&

$$

BAQUI





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