Area Forecast Discussion
Issued by NWS Pago Pago

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FXZS60 NSTU 010109
AFDPPG

AREA FORECAST DISCUSSION FOR AMERICAN SAMOA AND INDEPENDENT SAMOA
NATIONAL WEATHER SERVICE PAGO PAGO AS
209 PM SST TUE JAN 31 2017

.SHORT TERM...
TONIGHT THROUGH THURSDAY NIGHT...ACTIVE SURFACE TROUGH OVER THE
ISLANDS IS SLOWLY MOVING SOUTHWEST. SATELLITE SHOWS SUBSTANTIAL
CONVECTIONS DEEPENING BETWEEN TUTUILA AND MANUA AND ARE SLOWLY
EXPANDING ACROSS THE REGION. RAOB FROM THIS AFTERNOON DEPICTS AN
UNSTABLE PROFILE. MODELS ARE SLOWLY MOVING THE ACTIVE SURFACE
TROUGH SOUTHWEST WITH THE RIDGE TO THE NORTHEAST SLOWLY BUILDING
STARTING WEDNESDAY MORNING. THEREFORE EXPECT BREEZY AND GUSTY EAST
WINDS TONIGHT WITH OCCASIONAL SHOWERS. SHOWERS WILL GRADUALLY
DIMINISH ON WEDNESDAY MORNING.

.LONG TERM...
FRIDAY THROUGH TUESDAY...A LOW WILL DEVELOP TO THE SOUTHEAST OF
THE TROUGH WHILE MOVING SOUTHWEST. A TROUGH WILL EXPAND FROM THE
LOW ACROSS THE ISLANDS ON SATURDAY. THEREFORE EXPECT WET WEATHER
TO MOVE ACROSS THE ISLANDS DURING THE WEEKEND.

&&

.MARINE...
SEAS OF 6 TO 8 FT WILL PERSIST TONIGHT BEFORE SUBSIDING 5 TO 7 FT
ON WEDNESDAY MORNING. NO OTHER SIGNIFICANT SWELLS ARE EXPECTED IN
THE NEXT SEVERAL DAYS.

&&

.PPG WATCHES/WARNINGS/ADVISORIES...
FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL WEDNESDAY MORNING.
SMALL CRAFT ADVISORY REMAINS IN EFFECT.

&&

$$

MALALA
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