Area Forecast Discussion
Issued by NWS Pago Pago

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7
000
FXZS60 NSTU 030104
AFDPPG

AREA FORECAST DISCUSSION FOR AMERICAN SAMOA AND INDEPENDENT SAMOA
NATIONAL WEATHER SERVICE PAGO PAGO AS
204 PM SST MON MAY 2 2016

.SHORT TERM...
.TONIGHT THROUGH WEDNESDAY NIGHT...LIGHT AND VARIABLE WINDS AND
WET WEATHER CONDITIONS WILL PERSIST OVER THE NEXT 12 TO 24 HOURS.
STRONG WIND SHEAR ALOFT WILL BE REPLACED BY A MID-LEVEL RIDGE
UPSTREAM WITHIN THE NEXT 24 HOURS. THE ON-SET OF THE RIDGE WILL
USHER STABLE WEATHER CONDITIONS TO THE NORTH OF THE SAMOAN ISLANDS
MEANWHILE WET WEATHER CONDITIONS WILL SHIFT SOUTHWARD AND AWAY
FROM THE FCST ZONES. AS A RESULT...ANTICIPATE SCATTERED TO
NUMEROUS SHOWERS TO TAPER OFF TUESDAY AFTERNOON.

.LONG TERM...
.THURSDAY THROUGH MONDAY...A LARGE-SCALE HIGH PRESSURE SYSTEM WELL
SOUTH WILL USHER MODERATE TO FRESH TRADE-WINDS AND SCATTERED LIGHT
SHOWERS ACROSS THE AREA. THOUGH GFS MODEL MATERIALIZES A SURFACE
TROUGH TO THE EAST OF MANU`A DURING THURSDAY BUT THE ON-SET OF THE
SEASONAL TRADE-WIND WEATHER PATTERN WILL DEMOLISH FURTHER DEVELOPMENT
OF THIS TROUGH AROUND THE WEEKEND. FOR NOW...ANTICIPATE ISOLATED
TO SCATTERED SHOWERS OVER THE NEXT SEVERAL DAYS.

&&

.MARINE...COMBINED SEAS OF 7 TO 9 FT WILL SUBSIDE TO NEAR 5 TO 7 FT
WEDNESDAY NIGHT. HOWEVER...THE RETURN OF TRADE-WINDS THURSDAY WILL
POSSIBLY RE-BOOST SEA HEIGHTS NEAR BORDERLINE ADVISORY THRESHOLDS.
WILL MONITOR THIS SITUATION AND PROVIDE UPDATES AS FUTURE MODELS
BECOME AVAILABLE.

&&

.PPG WATCHES/WARNINGS/ADVISORIES...

A HIGH SURF ADVISORY.

A SMALL CRAFT ADVISORY.

&&

$$

CB





USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.