Area Forecast Discussion
Issued by NWS Pago Pago

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FXZS60 NSTU 150105

Area Forecast Discussion
National Weather Service Pago Pago  AS
205 PM SST Thu Dec 14 2017

.Short term...
TONIGHT THROUGH SATURDAY NIGHT...South Pacific Convergence Zone is
slowly developing across the islands. A ridge extending from the
southwest to the south of the islands will bring light southeast
winds tonight. RAOB from this afternoon depicts a stable profile.
However, models continue to bring scattered to numerous showers
during the short term. Winds will change direction from the
northwest on Saturday night with breezy flow.

.Long term...
SUNDAY THROUGH THURSDAY...The embedded low within the SPCZ will
move across the island chain on Sunday through Monday night. A
midlevel ridge to the east will expand west across the islands on
Tuesday and bring stable weather. As the low moves farther
southeast, showers will remain over the islands. The SPCZ will
remain across the islands for the rest of the long term.


Seas will elevate above advisory levels on Saturday night and into
warning thresholds on Sunday night. As the intense low moves
southeast, seas will gradually subside to advisory levels.





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