Area Forecast Discussion
Issued by NWS Pago Pago

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FXZS60 NSTU 220112

Area Forecast Discussion
National Weather Service Pago Pago  AS
212 PM SST Wed Mar 21 2018

.Short term...
TONIGHT THROUGH FRIDAY NIGHT...Ridge to the east southeast of
Manua is slowly building across the islands. Satellite shows
scattered to numerous low convections moving along a northeast
east flow. RAOB from this afternoon depicts a stable profile.
However, models continue to move scattered showers over the
islands tonight through Thursday night. Therefore, expect isolated
showers tonight becoming scattered before midnight and persist
through Thursday night. Moisture will be pushed west of the
islands on Friday and Friday night. Winds will be light and
variable throughout the short term.

.Long term...
SATURDAY THROUGH WEDNESDAY...Strong winds aloft will enhance
showers again on Saturday and Saturday night. With the surface
ridge to the south, gentle east winds will persist through the new
week. Some models are now swinging over the islands the tip of the
trough to the south on Tuesday. However, will keep showers to
isolated while monitoring a few more runs for this development.


Seas of 5 to 7 ft will persist through Friday night. Swells from
the southeast are expected to raise sea levels above advisory
thresholds on Saturday and into the new week.





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