Home > Products > Valid Products > AFD

000
FXZS60 NSTU 310115
AFDPPG

AREA FORECAST DISCUSSION FOR AMERICAN SAMOA AND INDEPENDENT SAMOA
NATIONAL WEATHER SERVICE PAGO PAGO AS
215 PM SST WED JUL 30 2014

.SHORT TERM...
TONIGHT THROUGH FRIDAY NIGHT...SATELLITE IMAGERIES SHOW AN ACTIVE
TROUGH LINGERING OVER THE ISLANDS. RAOB FROM THIS AFTERNOON
DEPICTS A CONDITIONAL UNSTABLE PROFILE. MODELS SUGGEST THAT THE
ACTIVE TROUGH WILL REMAIN NEARLY STATIONARY DURING THE SHORT TERM.
SHOWERS ARE EXPECTED TO AGAIN MATERIALIZE OVER THE ISLANDS ON
THURSDAY MORNING BEFORE MOVING NORTHEAST ON FRIDAY MORNING. THE
HIGH TO THE FAR SOUTH IS NOW STALLED AND EXPECTED TO DESCEND
SOUTHEAST ON FRIDAY NIGHT. WITH THIS STATIONARY MOVEMENT OF THE
HIGH...TRADES ARE AGAIN EXPECTED TO INCREASE TO STRONG AND GUSTY
CONDITIONS. THEREFORE...EXPECT WET WEATHER TONIGHT BEFORE IMPROVING
TO ISOLATED CONDITIONS ON FRIDAY. TRADES WILL AGAIN BE STRENGTHEN
TO STRONG AND GUSTY ON FRIDAY NIGHT.

.LONG TERM...
SATURDAY THROUGH WEDNESDAY...A CONVERGENCE WILL AGAIN MATERIALIZE
CONVECTIONS AND SHOWERS OVER THE ISLANDS ON SATURDAY THROUGH
SUNDAY NIGHT. STRONG TRADES WILL PERSIST THROUGH SUNDAY NIGHT
BEFORE DIMINISHING TO BREEZY CONDITIONS ON MONDAY. NEW MODEL
OUTPUTS ARE NOW HOLDING REMNANTS OVER THE ISLANDS DURING THE
BEGINNING OF THE NEW WEEK. HOWEVER WILL WAIT FOR A FEW MORE MODEL
RUNS BEFORE INCLUDING THESE NEW OUTPUTS IN THE FCST.

&&

.MARINE...
HAZARDOUS SEAS AND SWELLS CONTINUE TO IMPACT COASTAL WATERS AND
SHORELINES THROUGH THE WEEKEND. SEAS OF 9 TO 12 FT WILL BUILD TO
12 TO 15 FT ON FRIDAY NIGHT BEFORE SUBSIDING TO 9 TO 12 FT ON
MONDAY. FOR NOW...HSA AND SCA REMAINS IN EFFECT.

&&

.PPG WATCHES/WARNINGS/ADVISORIES...
HSA REMAINS IN EFFECT.
SCA REMAINS IN EFFECT.

&&

$$

MALALA








000
FXZS60 NSTU 300058
AFDPPG

AREA FORECAST DISCUSSION FOR AMERICAN SAMOA AND INDEPENDENT SAMOA
NATIONAL WEATHER SERVICE PAGO PAGO AS
158 PM SST TUE JUL 29 2014

.SHORT TERM...
TONIGHT THROUGH THURSDAY NIGHT...SATELLITE IMAGERIES SHOW AN
ACTIVE TROUGH LINGERING OVER THE ISLANDS. ASCAT SWATHS FROM LAST
NIGHT AND THIS MORNING REVEALED THE TROUGH AXIS OSCILLATING OVER
THE ISLANDS. OBSERVATIONS DURING THE PERIOD INDICATED LIGHT AND
VARIABLE WINDS LAST NIGHT AND GRADUALLY INCREASED TO STRONG AND
GUSTY TRADES. RAOB FROM THIS AFTERNOON DEPICTS AN UNSTABLE PROFILE
WITH THUNDERSTORMS WITHIN THE VICINITY. MODELS SUGGEST THAT THE
TROUGH AXIS WILL CONTINUE TO OSCILLATE OVER THE ISLANDS DURING THE
SHORT TERM. WINDS ARE AGAIN EXPECTED TO GRADUALLY DIMINISH TO
BREEZY CONDITIONS ON WEDNESDAY AFTERNOON. HOWEVER...WET WEATHER
AND BREEZY TO STRONG TRADES WILL PERSIST IN THE NEXT FEW DAYS.

.LONG TERM...
FRIDAY THROUGH TUESDAY...ANOTHER HIGH TO THE SOUTH WILL GENERATE
STRONG AND GUSTY TRADES ON FRIDAY NIGHT AND THE REST OF THE FCST.
UNSTABLE WEATHER WILL PERSIST THROUGH THE NEW WEEK. THEREFORE WILL
AMEND THE PREVIOUS FCST TO REFLECT THE CURRENT CONDITIONS AND
MODEL OUTPUTS.

&&

.MARINE...
HAZARDOUS SEAS OF 9 TO 12 FT WILL CONTINUE TO IMPACT COASTAL
WATERS AND SOUTHERN SHORELINES IN THE NEXT FEW DAYS. ANOTHER SET
OF STRONG SWELLS FROM THE SOUTH IS EXPECTED TO BUILD SEAS 13 TO 15
FT ON SATURDAY. FOR NOW...HSA AND SCA REMAINS IN EFFECT.

&&

.PPG WATCHES/WARNINGS/ADVISORIES...
HIGH SURF ADVISORY REMAINS IN EFFECT.
SMALL CRAFT ADVISORY REMAINS IN EFFECT.

&&

$$

MALALA











000
FXZS60 NSTU 290111
AFDPPG

AREA FORECAST DISCUSSION FOR AMERICAN SAMOA AND INDEPENDENT SAMOA
NATIONAL WEATHER SERVICE PAGO PAGO AS
211 PM SST MON JUL 28 2014

.SHORT TERM...
TONIGHT THROUGH WEDNESDAY NIGHT...SATELLITE IMAGERIES SHOW AN
ACTIVE TROUGH SLIGHTLY TO THE SOUTH AND IS ASSOCIATED WITH A LOW
TO THE NORTH. RAOB FROM THIS AFTERNOON DEPICTS A CONDITIONAL
UNSTABLE PROFILE WITH WINDS VEERING AT THE LOWER LEVELS. MODELS
ARE INCONSISTENT IN THE PLACEMENT OF TROUGH AXIS NEAR OR OVER THE
ISLANDS. WITH SOME PLACING THE TROUGH AXIS TO THE SOUTH...WINDS
WILL CONTINUE TO BE LIGHT AND VARIABLE UNTIL WEDNESDAY NIGHT. WITH
THE TROUGH OVER THE ISLANDS...WINDS WILL PERSIST AS STRONG TRADES.
HOWEVER...CURRENT CONDITIONS REVEAL THE TROUGH SLIGHTLY TO THE
SOUTH. THEREFORE...WILL AMEND THE FCST TO REFLECT THE CURRENT
SITUATION AND OUTLOOKS. EXPECT WET WEATHER AND VARIABLE WINDS
WITH GUSTY CONDITIONS DURING THE SHORT TERM.

.LONG TERM...
THURSDAY THROUGH MONDAY...ANOTHER HIGH TO THE SOUTH WILL AGAIN
STRENGTHEN TRADES ACROSS THE ISLANDS DURING THE WEEKEND AND THE
REST OF THE FCST. TROUGH IS EXPECTED TO MOVE SOUTHEAST ON FRIDAY
NIGHT AND THUS DIMINISHES SHOWERS DURING THE WEEKEND. THEREFORE
WILL AMEND THE PREVIOUS FCST.

&&

.MARINE...
HAZARDOUS SEAS WILL CONTINUE TO IMPACT COASTAL WATERS AND SOUTHERN
SHORES THROUGHOUT THIS WEEK. HSA AND SCA REMAINS IN EFFECT.

&&

.PPG WATCHES/WARNINGS/ADVISORIES...
HSA REMAINS IN EFFECT.
SCA REMAINS IN EFFECT.

&&

$$

MALALA










    US Dept of Commerce
    National Oceanic and Atmospheric Administration
    National Weather Service
    1325 East West Highway
    Silver Spring, MD 20910
    Page Author: NWS Internet Services Team
Disclaimer
Information Quality
Credits
Glossary
Privacy Policy
Freedom of Information Act (FOIA)
About Us
Career Opportunities