Area Forecast Discussion
Issued by NWS Pago Pago

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FXZS60 NSTU 270119
AFDPPG

AREA FORECAST DISCUSSION FOR AMERICAN SAMOA AND INDEPENDENT SAMOA
NATIONAL WEATHER SERVICE PAGO PAGO AS
219 PM SST FRI AUG 26 2016

.SHORT TERM...
.TONIGHT THROUGH SUNDAY NIGHT...A LINE OF CLOUDS OVER MANUA WILL
MOVE WEST-SOUTHWEST THUS SWEEPING SCATTERED SHOWERS OVER THE REST OF
THE SAMOAN ISLANDS TONIGHT. A TRADE-WIND REGIME WILL USHER MODERATE
TO FRESH TRADE-WINDS AND HIGHER GUSTS ESPECIALLY NEAR THE COASTAL
AREA DURING THE WEEKEND. AS A RESULT...ANTICIPATE MOSTLY CLOUDY
SKIES AND ISOLATED TO SCATTERED TRADE-WIND SHOWERS DURING THE WEEKEND.

.LONG TERM...
.MONDAY THROUGH FRIDAY...LATEST GFS MODEL RESOLUTIONS SUGGEST WET
WEATHER CONDITIONS DURING TUESDAY. A DEVELOPING SURFACE TROUGH NEAR
SAVAII WILL TRIGGER SCATTERED TO NUMEROUS SHOWERS AND POSSIBLE
TSTMS TUESDAY AND TUESDAY NIGHT. BEHIND THIS TROUGH...A HIGH
PRESSURE SYSTEM NEAR NEW ZEALAND WILL BUILD NORTH AND EASTWARD
THUS ALLOWING THE RETURN OF MODERATE TO FRESH TRADE-WINDS OVER THE
AREA AS EARLY AS THURSDAY NIGHT. FOR NOW...WILL MONITOR THIS
SITUATION AND KEEP THE PREV FCST THE SAME.

&&

.MARINE...LARGE TRADE-WIND GENERATED SEAS AND SWELLS OF 7 TO 9 FT
WILL BUILD TO NEAR 10 TO 12 FT SATURDAY...THEN DROPPING TO AT LEAST
2 TO 3 FT SUNDAY MORNING. 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




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