000
FZPN03 KNHC 081539
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC MON OCT 08 2012

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE 
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE 
MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.

SECURITE

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W.

SYNOPSIS VALID 1200 UTC MON OCT 08.
24 HOUR FORECAST VALID 1200 UTC TUE OCT 09.
48 HOUR FORECAST VALID 1200 UTC WED OCT 10.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM OLIVIA NEAR 16.6N 121.2W 999 MB AT 1500 UTC OCT 
08 MOVING NNW OR 340 DEG AT 3 KT. MAXIMUM SUSTAINED WINDS 50 KT 
GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM N 
SEMICIRCLE AND 20 NM S SEMICIRCLE.  SEAS 12 FT OR GREATER WITHIN 
90 NM NE AND SW QUADRANTS...120 NM NW QUADRANT AND 45 NM SE 
QUADRANT WITH SEAS TO 18 FT.
.24 HOUR FORECAST TROPICAL STORM OLIVIA NEAR 16.8N 121.8W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE
WINDS WITHIN 50 NM N SEMICIRCLE AND 20 NM S SEMICIRCLE. SEAS 12 
FT OR GREATER 90 NM NE QUADRANT...50 NM SE QUADRANT AND 60 NM W 
SEMICIRCLE WITH SEAS TO 16 FT.
.48 HOUR FORECAST TROPICAL DEPRESSION OLIVIA NEAR 16.2N 123.3W. 
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS TO 12 FT WITHIN 
75 NM NE QUADRANT.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW OLIVIA NEAR 15.2N 
125.2W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.
 
.SYNOPSIS AND FORECAST.

.EXCEPT AS NOTED IN OLIVIA WARNING...WITHIN 270 NM N AND 90 NM S 
SEMICIRCLES OF CENTER WINDS 20 TO 33 KT. SEAS TO 12 FT. 
ELSEWHERE FROM 10N TO 21N BETWEEN 117W AND 129W WINDS 20 KT OR 
LESS. SEAS 8 TO 9 FT IN MIXED SWELL. 
.24 HOUR FORECAST EXCEPT AS NOTED OLIVIA WARNING...WITHIN 240 NM 
NW AND 60 NM SE SEMICIRCLES OF CENTER WINDS 20 TO 33 KT. SEAS TO 
12 FT. ELSEWHERE FROM 12N TO 21N BETWEEN 119W AND 129W WINDS 20 
KT OR LESS. SEAS TO 9 FT IN MIXED SWELL.
.48 HOUR FORECAST EXCEPT AS NOTED OLIVIA WARNING...WITHIN 180 NM 
NW AND 45 NM SE SEMICIRCLES OF CENTER WINDS 20 TO 30 KT. SEAS TO 
11 FT. ELSEWHERE FROM 10N TO 19N W OF 122W WINDS 20 KT OR LESS. 
SEAS 8 FT PRIMARILY IN NE SWELL.

.FROM 02N TO 08N BETWEEN 90W AND 105W WINDS 20 KT OR LESS. SEAS 
TO 8 FT IN SW SWELL. 
.24 HOUR FORECAST FROM 04N TO 08N BETWEEN 98W AND 113W WINDS
20 KT OR LESS. SEAS TO 8 FT IN SW SWELL.
.48 HOUR FORECAST NEW LOW PRES NEAR 10N88W 1009 MB. WITHIN 180 
NM S SEMICIRCLE SW TO W WINDS 20 TO 25 KT. SEAS TO 8 FT.

.WITHIN 30 NM EITHER SIDE OF LINE FROM 16N94.5W TO 15N95W TO 
14N96W... INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 
TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

CONVECTION VALID AT 1500 UTC MON OCT 08...

.TROPICAL STORM OLIVIA...SCATTERED MODERATE TO STRONG WITHIN 240 
NM NE QUADRANT.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS COLOMBIA NEAR 09.5N74.5W TO 11N78W TO 
10N86W TO 11.5N93W TO 09N108W TO 11N116W WHERE IT REMAINS 
FRACTURED...THEN RESUMES S OF OLIVIA AT 14N121W TO 09N133W WHERE 
IT TRANSITIONS TO THE ITCZ AXIS...CONTINUING ON TO BEYOND 
09N140W. SCATTERED MODERATE ISOLATED STRONG CONVECTION NOTED 
WITHIN 90 NM N AND 240 NM S OF TROUGH E OF 99W. SCATTERED 
MODERATE ISOLATED STRONG CONVECTION NOTED WITHIN 150 NM N AND 90 
NM S OF TROUGH BETWEEN 121W AND 131W. 

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.