Area Forecast Discussion
Issued by NWS Pago Pago

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000
FXZS60 NSTU 290104
AFDPPG

AREA FORECAST DISCUSSION FOR AMERICAN SAMOA AND INDEPENDENT SAMOA
NATIONAL WEATHER SERVICE PAGO PAGO AS
204 PM SST TUE JUL 28 2015

.SHORT TERM...
TONIGHT THROUGH THURSDAY NIGHT...SATELLITE IMAGERIES SHOW AN
ACTIVE LINE OF CONVECTIONS TO THE NORTH AND SCATTERED LOW CLOUDS
POSITION OVER THE ISLANDS. RAOB FROM THIS AFTERNOON DEPICTS A
STABLE PROFILE. HIGH PRESSURE TO THE SOUTHEAST CONTINUE TO MIGRATE
EAST AND SOUTHEAST. THE SURFACE TROUGH TO THE NORTH WILL REMAIN
NEARLY STATIONARY DURING THE SHORT TERM. TRADES WILL SLIGHTLY
DIMINISH TO BREEZY CONDITIONS TONIGHT BEFORE INCREASING TO STRONG
WINDS ON THURSDAY NIGHT. ANOTHER HIGH PRESSURE APPROACHING FROM
THE SOUTHWEST WILL BE THE MAIN CAUSE OF THIS TRADEWIND INTENSITY
INCREASE. SHOWERS WILL REMAIN AT A MINIMUM AMOUNT DURING THE SHORT
TERM AS THE STABLE WEATHER PATTERNS REMAIN STATIONARY.

.LONG TERM...
FRIDAY THROUGH TUESDAY...HIGH PRESSURE APPROACHING FROM THE
SOUTHWEST WILL AGAIN SUSTAIN TRADES AT STRONG AND GUSTY
CONDITIONS. HOWEVER...AN ACTIVE TROUGH WILL MOVE ACROSS THE
ISLANDS ON SATURDAY NIGHT WILL BRING NUMEROUS SHOWERS. THEREFORE
WILL AMEND THE PREVIOUS LONG TERM TO REFLECT THE CURRENT OUTPUTS.

&&

.MARINE...
TRADES HAVE DIMINISHED TO BREEZY CONDITIONS ALONG WITH ROUGH SEAS
SUBSIDING 9 TO 12 FT. AT THIS RATE...SEAS OF 7 TO 9 FT WILL
PERSIST THROUGH THURSDAY BEFORE BUILDING AGAIN 8 TO 10 FT ON
THURSDAY NIGHT.

&&

.PPG WATCHES/WARNINGS/ADVISORIES...
HIGH SURF ADVISORY REMAINS IN EFFECT
SMALL CRAFT ADVISORY REMAINS IN EFFECT

&&

$$

MALALA






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