FXZS60 NSTU 190111
AFDPPG

Area Forecast Discussion
National Weather Service Pago Pago  AS
211 PM SST Sat May 18 2019

.Short term...
TONIGHT THROUGH MONDAY NIGHT...Satellite shows a cluster of
convections between Upolu and Tutuila is slowly propagating 
eastward. The surface trough to the south will remains nearly 
stationary in the next few days. An embedded Tropical Depression
12F within the trough to the north Fiji about 360 miles is slowly
descending south southeast. This system is not expected to impact
American Samoa in the next few days. With the trough to the south,
winds will remain light and variable through Monday night. Showers
will remain numerous as scattered clusters move across the islands
on the short term. 

.Long term...
TUESDAY THROUGH SATURDAY...TD 12F is expected to move under high
shear on Tuesday. Weakening of this system is favorable while
continuing south southeast. A strong ridge to the east extending
to the mid levels will hold the surface trough and the embedded
lows south of the territory. No changes to the long term forecast. 

&&

.Marine...
Seas of 5 to 7 ft will persist in the next few days. Southeast
swells are expected to elevated seas above advisory levels on
late Tuesday night through Thursday morning. No other significant
swells are expected to move across the islands afterwards. 

&&

.PPG WATCHES/WARNINGS/ADVISORIES...
None. 

&&

$$

Malala