Area Forecast Discussion
Issued by NWS Pago Pago

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FXZS60 NSTU 240058
AFDPPG

AREA FORECAST DISCUSSION FOR AMERICAN SAMOA AND INDEPENDENT SAMOA
NATIONAL WEATHER SERVICE PAGO PAGO AS
158 PM SST THU FEB 23 2017

.SHORT TERM...
TONIGHT THROUGH SATURDAY NIGHT...LATEST SATELLITE IMAGERY SHOWS
SHOWERS WITH EMBEDDED THUNDERSTORMS APPROACHING THE SAMOAN ISLANDS
FROM THE NORTHEAST. CURRENT MODEL DATA SHOW THESE SHOWERS AND
THUNDERSTORMS REACHING TUTUILA TONIGHT...THEN DISSIPATE EARLY
FRIDAY MORNING. THE WINDS WILL PRIMARILY BE VARIABLE THROUGH THE
SHORT TERM. HENCE...WILL ADJUST PREVIOUS FORECAST TO REFLECT THE
CONTINUATION OF RAIN AND THUNDERSTORMS FOR TONIGHT...WILL ALSO
LOWER WINDS TO BETTER REFLECT CURRENT MODEL SOLUTIONS.

.LONG TERM...
SUNDAY THROUGH THURSDAY...LIGHT TO MODERATE EASTERLIES WILL
PREVAIL ONCE AGAIN OVER THE FORECAST AREA THROUGH THE LONG TERM.
THE ACTIVE MONSOON TROUGH THAT HAS BEEN TO THE SOUTH OF THE SAMOAN
ISLANDS IS FORECAST TO MOVE SLIGHTLY TO THE SOUTHWEST...SHIFTING
THE BULK OF SHOWERS AWAY FROM THE TERRITORY. WILL ADJUST PREVIOUS
FORECAST TO SHOW THE ONSET OF EASTERLIES AND KEEP ALL ELSE THE SAME.

&&

.MARINE...
WINDS AND SEAS ARE FORECAST TO REMAIN BELOW ADVISORY THRESHOLDS
THROUGH THE FORECAST PACKAGE. HOWEVER...IT IS ALWAYS IMPORTANT TO
NOTE THAT SEAS AND WINDS ARE HIGHER NEAR THUNDERSTORMS.

&&

.PPG WATCHES/WARNINGS/ADVISORIES...
NONE

&&

$$

LUTU-MCMOORE/TAIFANE





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