Area Forecast Discussion
Issued by NWS Pago Pago

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874
FXZS60 NSTU 270143
AFDPPG

AREA FORECAST DISCUSSION FOR AMERICAN SAMOA AND INDEPENDENT SAMOA
NATIONAL WEATHER SERVICE PAGO PAGO AS
243 PM SST SUN MAR 26 2017

.SHORT TERM...
.TONIGHT THROUGH TUESDAY NIGHT...DRY EASTERLIES AND GENTLE TO MODERATE
BREEZE WILL PREDOMINATE LOCAL WEATHER CONDITIONS ACROSS THE REGION.
A WEAK SURFACE TROUGH FROM THE NORTHEAST WILL PASS THROUGH THE AREA
TONIGHT INTO MONDAY. PERHAPS...CONCERNS FOR MID-MORNING TO AFTERNOON
SCATTERED SHOWERS ARE POSSIBLE AS WIND SPEED DECLINE TO NEAR 10 KT
MONDAY AFTERNOON. AS A RESULT...ANTICIPATE VERY HUMID CONDITIONS
AND MINIMAL SHOWERS THROUGH SHORT TERM.

.LONG TERM...
.WEDNESDAY THROUGH SUNDAY...GFS MODEL SOLUTIONS MATERIALIZES A SURFACE
TROUGH NEAR THE EAST-SOUTHEAST OF MANU`A DURING THURSDAY AND FRIDAY. THIS
EXPECTED TROUGH WILL INTENSIFY AS IT DRIVES SOUTHEASTWARD TO A BROAD
AREA OF HIGH PRESSURE. AT THIS POINT...IT IS TOO EARLY TO COMMENT OR
SPECULATE WHETHER THIS PREDICTED TROUGH WILL INFLUENCE LOCAL WEATHER.
FOR NOW...WILL KEEP THE PREV FCST THE SAME AND WE WILL CONTINUE TO MONITOR
THIS EXPECTED SITUATION BEFORE MAKING UPDATES.

&&

.MARINE...LONG-PERIOD SOUTH SWELLS OF 5 TO 7 FT WILL IMPACT SOUTH
FACING SHORES UNTIL TUESDAY EVENING. SEA HEIGHTS WILL REMAIN NEAR
BORDERLINE ADVISORY BUT WE/LL STILL MONITOR THIS SITUATION AS SURFS
AND SEA HEIGHTS WILL LIKELY CHANGE AS A RESULT OF A COMBINED
ASTRONOMICAL TIDES AND EXPECTED SOUTH SWELL.

&&

.PPG WATCHES/WARNINGS/ADVISORIES...

A SMALL CRAFT ADVISORY IS IN EFFECT DUE TO SOUTH SWELLS.

&&

$$

CB






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