000
FXZS60 NSTU 190110
AFDPPG
AREA FORECAST DISCUSSION FOR AMERICAN SAMOA AND INDEPENDENT SAMOA
NATIONAL WEATHER SERVICE PAGO PAGO AS
210 PM SST TUE JUN 18 2013
.SHORT TERM...
.TONIGHT THROUGH THURSDAY NIGHT...A LARGE LOW PRESSURE AREA FAR
SOUTH OF SAMOA WITH THE CENTER NEAR NEW ZEALAND WITH THE TROUGH
NORTHWARD TO THE SAMOAN ISLANDS WILL CONTINUE TO MOVE EASTWARD
SLOWLY THROUGH THURSDAY NIGHT.
THEREFORE,,,EXPECT MOSTLY CLOUDY SKY WITH WIDELY SCATTERED
SHOWERS THROUGH THE PERIOD. VARIABLE WINDS 5 TO 15 NPH.
.LONG TERM...
.FRIDAY THROUGH TUESDAY...THE LOW PRESSURE AREA EAST OF NEW
ZEALAND CONTINUES TO MOVE EASTWARD AS THE RIDGE OF HIGH PRESSURE
BUILDS SOUTH OF THE ISLANDS FROM THE WEST THROUGH THE WEEKEND.
THEREFORE...EXPECT PARTLY CLOUDY SKY WITH ISOLATED SHOWERS.
VARIABLE WINDS BECOMING EASTERLY 15 TO 20 MPH BY SUNDAY.
&&
.MARINE...
NO SIGNIFICANT SWELL EXPECTED.
&&
.PPG WATCHES/WARNINGS/ADVISORIES...
NONE
&&
$$
AKAPO
000
FXZS60 NSTU 180143
AFDPPG
AREA FORECAST DISCUSSION FOR AMERICAN SAMOA AND INDEPENDENT SAMOA
NATIONAL WEATHER SERVICE PAGO PAGO AS
243 PM SST MON JUN 17 2013
.SHORT TERM...
.TONIGHT THROUGH WEDNESDAY NIGHT...MADE NO CHANGES FROM THE
PREVIOUS FCST EXCEPT TO DELAY THE DROPPING OF WIND SPEED FROM 10
TO 15 KT ON TUESDAY NIGHT UNTIL WEDNESDAY MORNING. A BROAD AREA
OF HIGH PRESSURE OVER THE SAMOAN REGION WILL DRIFT EASTWARD WHILE
A SURFACE RIDGE FROM THE SOUTH WILL SLIDE NORTHWARD TOWARD THE
SAMOAN ISLANDS ON TUESDAY NIGHT INTO WEDNESDAY. FAVORABLE WEATHER
CONDITIONS ARE EXPECTED DURING THE NEXT COUPLE OF DAYS WHILE STRONG
SOUTHWEST WINDS ALOFT COERCE HIGH CLOUDS TO DRIFT FARTHER NORTH-
NORTHEAST OF THE REGION. AS THE SURFACE TROUGH APPROACHES THE FCST
ZONES FROM THE SOUTH...DRY WEATHER CONDITIONS ARE EXPECTED THUS COOLER
NIGHTS CAN BRING THE LOW TEMPERATURE TO THE MID AND UPPER 70S ON
THE NIGHTS OF TUESDAY AND WEDNESDAY. AS A RESULT...ANTICIPATE
CLEAR TO PARTLY CLOUDY SKIES WITH A FEW PASSING SHOWERS ACROSS THE REGION.
.LONG TERM...
.THURSDAY THROUGH MONDAY...A WEAK SURFACE TROUGH TO THE SOUTH OF
THE SAMOAN ISLANDS WILL EITHER HIT OR MISS THE FCST ZONES AS THIS
TROUGH SLIDES EAST-SOUTHEAST OVER THE NEXT COUPLE OF DAYS. HOWEVER...A
STRONG AREA OF HIGH PRESSURE BEHIND THIS TROUGH WILL DRIVE SOUTHEAST
WINDS TO RETURN EARLIER OVER THE WEEKEND THAN EXPECTED. THE WIND
DIRECTION AND SPEED HAVE BEEN UPDATED TO REFLECT THIS SITUATION.
&&
.MARINE...SEAS OF 7 TO 9 FEET WILL SUBSIDE TO 5 TO 7 FEET ON
TUESDAY EVENING. THERE ARE NO SIGNIFICANT SWELLS EXPECTED DURING THE
NEXT SEVERAL DAYS.
&&
.PPG WATCHES/WARNINGS/ADVISORIES...
.A SMALL CRAFT ADVISORY.
&&
$$
BAQUI
000
FXZS60 NSTU 170131
AFDPPG
AREA FORECAST DISCUSSION FOR AMERICAN SAMOA AND INDEPENDENT SAMOA
NATIONAL WEATHER SERVICE PAGO PAGO AS
231 PM SST SUN JUN 16 2013
.SHORT TERM...
.TONIGHT THROUGH TUESDAY NIGHT...A WEAK SHEAR LINE NEAR THE SAMOAN
ISLANDS WILL EVENTUALLY DISSIPATE MONDAY EVENING. A STRONG HIGH
PRESSURE WELL SOUTH OF THE REGION WILL MOVE EASTWARD SLOWLY. THE
LOCAL WINDS WILL DROP TO NEAR 5 TO 10 KT ON TUESDAY AS THE SURFACE
RIDGE FROM THE SOUTH MOVES NORTHWARD TOWARD THE SAMOAN REGION.
MODERATE TO FRESH TRADE-WINDS TONIGHT WILL DIMINISH TO NEAR 10 TO
15 KT ON MONDAY. IT WILL BE FAIRLY QUIET OVER THE FCST ZONES...WITH
ONLY ISOLATED SHOWERS EXPECTED DURING THE NEXT COUPLE OF DAYS.
.LONG TERM...
.WEDNESDAY THROUGH SUNDAY...A SURFACE RIDGE TO THE SOUTH WILL INFLUENCE
LOCAL WEATHER PATTERNS AND WIND SPEED TO REMAIN NEAR 5 TO 10 KT THROUGH
THURSDAY AFTERNOON. A DEVELOPING TROUGH FROM THE EAST WILL DRIFT WESTWARD
TOWARD THE SAMOAN ISLANDS ON THURSDAY NIGHT. THIS EXPECTED LINE OF
CLOUDS WILL SWEEP SCATTERED SHOWERS ACROSS THE AREA OVER THE WEEKEND.
A DEVELOPING HIGH WELL SOUTHWEST OF THE REGION WILL ACCOMPANY FRESH
TO BREEZY WINDS AND POSSIBLE LOCALLY HEAVY RAINFALL BEFORE SUNDAY.
WILL NOT UPDATE THE PREVIOUS FCST UNTIL NEW MODELS BECOME AVAILABLE.
WILL MONITOR THIS SITUATION DURING THE NEXT COUPLE OF DAYS BEFORE
INCREASING THE SHOWER COVERAGE AND WIND SPEEDS. FOR NOW...ANTICIPATE
PARTLY TO MOSTLY CLOUDY SKIES AND ISOLATED SHOWER THROUGH THE
MIDWEEK.
&&
.MARINE...COMBINED SEAS OF 7 TO 9 FEET WILL START DECLINING TO
NEAR 5 TO 7 FEET ON TUESDAY EVENING. THE SMALL CRAFT ADVISORY IS
MANDATORY TO REFLECT THE WINDS AND SEAS UNTIL BOTH WEATHER PARAMETERS
FALL BELOW ADVISORY THRESHOLDS DURING THE NEXT FEW DAYS.
&&
.PPG WATCHES/WARNINGS/ADVISORIES...
.A SMALL CRAFT ADVISORY.
&&
$$
BAQUI
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