Area Forecast Discussion
Issued by NWS Pago Pago

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000
FXZS60 NSTU 010115
AFDPPG

AREA FORECAST DISCUSSION FOR AMERICAN SAMOA AND INDEPENDENT SAMOA
NATIONAL WEATHER SERVICE PAGO PAGO AS
215 PM SST SUN APR 30 2017

.SHORT TERM...
TONIGHT THROUGH TUESDAY NIGHT...A WEAK SURFACE TROUGH CONTINUES TO
LINGER OVER THE ISLANDS. RAOB FROM THIS AFTERNOON DEPICTS A STABLE
PROFILE. MODELS NOW MIGRATE A MID LEVEL RIDGE OVER THE ISLANDS AND
HOLD IT TO MAINTAIN STABLE WEATHER DURING THE SHORT TERM. WILL
AGAIN AMEND THE PREVIOUS FORECAST TO REFLECT THE NEW OUTLOOK.

.LONG TERM...
WEDNESDAY THROUGH SUNDAY NIGHT...ANOTHER HIGH PRESSURE FAR SOUTH
WILL HOLD THE SURFACE TROUGH NEAR THE ISLANDS DURING MIDWEEK. THE
SURFACE TROUGH WILL DESCEND SOUTH ON THURSDAY AS THE HIGH MIGRATES
FARTHER EAST. A STRONGER HIGH PRESSURE AGAIN PROPAGATING EASTWARD
TO THE SOUTH IS EXPECTED TO PUSH THE SURFACE TROUGH OVER THE
ISLANDS AND DEEPEN IT ON MONDAY NIGHT.

&&

.MARINE...
SEAS HAVE SUBSIDED BELOW ADVISORY LEVELS AND HENCE THE CANCELLATION
OF THE HIGH SURF AND SMALL CRAFT ADVISORIES. NO OTHER SIGNIFICANT
SWELLS ARE EXPECTED IN THE NEXT SEVERAL DAY.

&&

.PPG WATCHES/WARNINGS/ADVISORIES...
HIGH SURF ADVISORY IS CANCELED.
SMALL CRAFT ADVISORY IS CANCELED.

&&

$$

MALALA





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