000
FXZS60 NSTU 070106
AFDPPG

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PAGO PAGO AS
200 PM SST FRI NOV 06 2009

.SHORT TERM...
.TONIGHT THROUGH SUNDAY...VISIBLE IMAGERY SHOWS NUMEROUS VERTICAL 
 DEVELOPMENTS NORTHEAST AND LOW LEVEL CLOUDS OVER THE ISLANDS. 
 SURFACE ANALYSIS INDICATES A LOW PRESSURE SYSTEM WEST OF TAHITI
 AND A TROUGH ASSOCIATED WITH IT TO THE NORTHEAST OF THE ISLANDS AS
 SHOWN THROUGH VISIBLE IMAGERY. FAR WEST AT THE TASMAN SEA SITUATES 
 A STRONG HIGH PRESSURE SYSTEM. A RIDGE ASSOCIATED WITH THIS SYSTEM 
 IS EXTENDED FROM THE SYSTEM EASTWARD TO THE SOUTH OF TAHITI. THIS
 MORNINGS QUIKSCAT PASS OVER THE REGION REVEALS FRESH TRADE AND
 NUMEROUS DATA CONTAMINATIONS NORTHEAST OF THE ISLANDS. 

 THE GFS AND UKMET MODELS BOTH SUGGEST THAT A TROUGH OF LOW PRESSURE
 WILL DEVELOP SOUTHWEST OF THE ISLANDS SATURDAY. MEANWHILE THE TROUGH
 WILL MOVE EASTWARD ACROSS THE ISLANDS. THE TROUGH WILL LATER BECOME 
 A LOW PRESSURE SYSTEM SUNDAY AND MOVE SOUTHEASTWARD. THE TROUGH FROM
 THIS NEWLY DEVELOP SYSTEM WILL REMAIN NEARLY STATIONARY OVER THE 
 ISLANDS. THE RIDGE ASSOCIATED WITH THE HIGH PRESSURE SYSTEM OVER THE 
 TASMAN SEA WILL WEAKEN SUNDAY. THE HIGH PRESSURE SYSTEM WILL THEN 
 MOVE NORTHWARD.

AS A RESULT...MOSTLY CLOUDY WITH SCATTERED SHOWERS BECOMING CLOUDY
WITH SCATTERED SHOWERS SATURDAY. EAST WINDS 10 TO 15 MPH SHIFTING
SOUTHEAST WINDS 10 TO 15 MPH SUNDAY. 
 
&&
.LONG TERM...
.MONDAY THROUGH FRIDAY...ANOTHER TROUGH OF LOW PRESSURE WILL DEVELOP
 SOUTHWEST OF THE REGION AND REMAINS NEARLY STATIONARY. THE TROUGH 
 WILL DEEPEN AND LATER BECOME A LOW PRESSURE SYSTEM SITUATED SOUTH
 OF THE ISLANDS WEDNESDAY. THE TROUGH WILL MOVE NORTHEASTWARD AS
 A RIDGE OF HIGH PRESSURE BUILDS SOUTHEAST OF THE ISLANDS. THE HIGH 
 PRESSURE SYSTEM WILL LATER DESCEND SOUTHEASTWARD FRIDAY. 

AS A RESULT...CLOUDY WITH SCATTERED SHOWERS BECOMING PARTLY CLOUDY
WITH ISOLATED SHOWERS FRIDAY. EAST WINDS 10 TO 15 MPH BECOMING
VARIABLE WINDS 5 TO 10 MPH TUESDAY. SOUTHEAST WINDS 10 TO 15 MPH
THURSDAY. 

&&
.MARINE...
SURF HEIGHTS OF 7 TO 9 FEET DUE TO SOUTHERLY SWELLS.
&& 

.PPG WATCHES/WARNINGS/ADVISORIES...
HSA AND SCA.
$$

AKAPO/MALALA