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000
FXZS60 NSTU 020112
AFDPPG

AREA FORECAST DISCUSSION FOR AMERICAN SAMOA AND INDEPENDENT SAMOA
NATIONAL WEATHER SERVICE PAGO PAGO AS
212 PM SST TUE SEP 1 2015

.SHORT TERM...
.TONIGHT THROUGH THURSDAY NIGHT...A SURFACE RIDGE TO THE SOUTH OF
THE AREA WILL YIELD TO FAVORABLE WEATHER CONDITIONS AND ONLY A FEW
SHOWERS THROUGH THURSDAY NIGHT. MODERATE EASTERLY WINDS WILL PERSIST
AS A WEAK HIGH PRESSURE TO THE SOUTH OF THE REGION MIGRATES EASTWARD
SLOWLY. THEREFORE...ANTICIPATE A QUIET FCST PERIOD.

.LONG TERM...
.FRIDAY THROUGH TUESDAY...A SURFACE RIDGE WILL AID TO BRINGING DRY
EASTERLY WINDS ACROSS THE REGION DURING THE NEXT SEVERAL DAYS.
THUS...ANTICIPATE PARTLY TO MOSTLY CLOUDY SKIES AND ONLY MINIMAL
SHOWERS DURING THE LONG TERM FCST PERIOD.

&&

.MARINE...THE LATEST WAVE WATCH MODEL SHOWS SEAS OF 9 TO 12 FT
WILL SUBSIDE TO NEAR 7 TO 9 FT WEDNESDAY MORNING...THEN DECLINING
TO NEAR 5 TO 7 FT FRIDAY. ISSUANCE OF ADVISORIES FOR SMALL CRAFTS
AND HIGH SURFS ARE MANDATORY TO REFLECT THIS SITUATION.

&&

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

&&

$$

CB









000
FXZS60 NSTU 020112
AFDPPG

AREA FORECAST DISCUSSION FOR AMERICAN SAMOA AND INDEPENDENT SAMOA
NATIONAL WEATHER SERVICE PAGO PAGO AS
212 PM SST TUE SEP 1 2015

.SHORT TERM...
.TONIGHT THROUGH THURSDAY NIGHT...A SURFACE RIDGE TO THE SOUTH OF
THE AREA WILL YIELD TO FAVORABLE WEATHER CONDITIONS AND ONLY A FEW
SHOWERS THROUGH THURSDAY NIGHT. MODERATE EASTERLY WINDS WILL PERSIST
AS A WEAK HIGH PRESSURE TO THE SOUTH OF THE REGION MIGRATES EASTWARD
SLOWLY. THEREFORE...ANTICIPATE A QUIET FCST PERIOD.

.LONG TERM...
.FRIDAY THROUGH TUESDAY...A SURFACE RIDGE WILL AID TO BRINGING DRY
EASTERLY WINDS ACROSS THE REGION DURING THE NEXT SEVERAL DAYS.
THUS...ANTICIPATE PARTLY TO MOSTLY CLOUDY SKIES AND ONLY MINIMAL
SHOWERS DURING THE LONG TERM FCST PERIOD.

&&

.MARINE...THE LATEST WAVE WATCH MODEL SHOWS SEAS OF 9 TO 12 FT
WILL SUBSIDE TO NEAR 7 TO 9 FT WEDNESDAY MORNING...THEN DECLINING
TO NEAR 5 TO 7 FT FRIDAY. ISSUANCE OF ADVISORIES FOR SMALL CRAFTS
AND HIGH SURFS ARE MANDATORY TO REFLECT THIS SITUATION.

&&

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

&&

$$

CB









000
FXZS60 NSTU 010102
AFDPPG

AREA FORECAST DISCUSSION FOR AMERICAN SAMOA AND INDEPENDENT SAMOA
NATIONAL WEATHER SERVICE PAGO PAGO AS
202 PM SST MON AUG 31 2015

.SHORT TERM...
.TONIGHT THROUGH WEDNESDAY NIGHT...A STATIONARY FRONT UPSTREAM WILL
CONTINUE TO LINGER OVER TOKELAU THROUGH TUESDAY AFTERNOON WHILE A
STRONG HIGH PRESSURE SYSTEM WELL SOUTH OF THE REGION WILL DRIFT
EASTWARD THROUGH WEDNESDAY. COMPUTER MODELS NOW SUGGEST ONLY MINIMAL
SHOWERS OVER THE AREA AS HEAVY MOISTURE REMAINS TO THE WEST AND NORTH
OF THE FCST ZONES INTO WEDNESDAY NIGHT. AS A RESULT...ANTICIPATE
FRESH TRADE-WINDS THROUGH TUESDAY NIGHT. WIND SPEED WILL DROP TO
NEAR 10 TO 15 KT ON WEDNESDAY AS THE SURFACE RIDGE EXTENDS TO THE
SOUTH OF THE AREA DURING WEDNESDAY AFTERNOON.

.LONG TERM...
.THURSDAY THROUGH MONDAY...A SURFACE RIDGE WILL REMAIN TO THE SOUTH
OF THE SAMOAN ISLANDS THUS ALLOWING MAINLY FAVORABLE WEATHER TO
MOVE ACROSS THE REGION DURING THE NEXT SEVERAL DAYS. AS A RESULT...
ANTICIPATE GENTLE TO MODERATE EAST TO SOUTHEAST WINDS AND ISOLATED SHOWERS.

&&

.MARINE...A COMBINED SOUTH SWELL AND TRADE-WIND GENERATED SEAS AND
SWELLS UP TO 14 FT WILL GRADUALLY SUBSIDE TO NEAR 7 TO 9 FT WEDNESDAY
MORNING. THIS SWELL EPISODE WILL CONTINUE TO SUBSIDE TO NEAR 5 TO 7 FT
FRIDAY AFTERNOON. THEREFORE...ISSUANCE OF A HIGH SURF WARNING AND
SMALL CRAFT ADVISORY ARE MANDATORY TO REFLECT THIS EXISTING SWELL
EVENT.

&&

.PPG WATCHES/WARNINGS/ADVISORIES...
.A HIGH SURF WARNING UNTIL WEDNESDAY.
.A SMALL CRAFT ADVISORY.

&&

$$

CB









000
FXZS60 NSTU 310113
AFDPPG

AREA FORECAST DISCUSSION FOR AMERICAN SAMOA AND INDEPENDENT SAMOA
NATIONAL WEATHER SERVICE PAGO PAGO AS
213 PM SST SUN AUG 30 2015

.SHORT TERM...
TONIGHT THROUGH TUESDAY NIGHT...SATELLITE IMAGERIES SHOW AN
ACTIVE SURFACE TROUGH ORIENTED TO THE NORTH AND NORTHEAST OF THE
ISLANDS. A BROAD AREA OF ACTIVE CONVECTIONS IS LOCATED TO THE
NORTHWEST OF THE SAMOAN GROUP. RAOB FROM THIS AFTERNOON DEPICTS A
STABLE PROFILE. MODELS ARE NOW MINIMIZING SHOWERS OVER THE
TERRITORY DURING THE SHORT TERM. THE ACTIVE SURFACE TROUGH HAVE
AGAIN CHANGED COURSE. INSTEAD OF DESCENDING DIRECTLY ACROSS THE
ISLANDS...IT IS NOW BEEN PUSHED WEST THEN SOUTHWEST BEFORE
TRACKING TO THE SOUTH ON TUESDAY NIGHT. THEREFORE...WILL AMEND THE
PREVIOUS FCST TO REFLECT THE CURRENT MODEL OUTPUT. EXPECT ISOLATED
SHOWERS AND BREEZY TRADES DURING THE SHORT TERM.

.LONG TERM...
WEDNESDAY THROUGH SUNDAY...HIGH PRESSURE WILL CONTINUE TO MIGRATE
FARTHER SOUTHEAST...DECELERATING AND SHIFTING TRADES TO GENTLE
EAST WINDS ON WEDNESDAY. AN ASSOCIATED SURFACE TROUGH ATTACH TO
THE THEN LOW PRESSURE TO THE SOUTH WILL PASS ACROSS THE ISLANDS ON
FRIDAY. EAST WINDS WILL PERSIST THROUGH THE REST OF THE LONG TERM.
EXPECT GENTLE EAST WINDS AND ISOLATED SHOWERS DURING THE LONG
TERM. WILL KEEP SHOWERS AT A MINIMUM AMOUNT FOR NOW UNTIL MODELS
SHOW CONSISTENCY IN THE NEXT FEW RUNS.

&&

.MARINE...
HAZARDOUS SEAS AND SURFS WILL CONTINUE TO BOUND SOUTHERN FACING
SHORES AND COASTAL WATERS THROUGH FRIDAY AFTERNOON. SEAS OF 12 TO
14 FT WILL SUBSIDE 9 TO 12 FT ON TUESDAY BEFORE FALLING BELOW
ADVISORY THRESHOLD ON FRIDAY AFTERNOON.

&&

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

&&

$$

MALALA








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