000
FZPN03 KNHC 070318
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC SUN OCT 07 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SUN OCT 07.
24 HOUR FORECAST VALID 0000 UTC MON OCT 08.
48 HOUR FORECAST VALID 0000 UTC TUE OCT 09.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM OLIVIA NEAR 14.0N 120.5W 1000 MB AT 0300 UTC OCT
07 MOVING W OR 280 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM NW AND SE 
QUADRANTS...50 NM NE QUADRANT AND 20 NM SW QUADRANT. SEAS 12 FT 
OR GREATER WITHIN 15 NM S SEMICIRCLE...75 NM NE QUADRANT AND 90 
NM NW QUADRANT WITH SEAS TO 15 FT.
.24 HOUR FORECAST TROPICAL STORM OLIVIA NEAR 15.4N 122.4W. 
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE 
WINDS WITHIN 70 NM NW AND SE QUADRANTS...80 NM NE QUADRANT AND 
50 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM N AND 45 
NM S SEMICIRCLES. HIGHEST SEAS 18 FT. 
.48 HOUR FORECAST TROPICAL STORM OLIVIA NEAR 16.3N 122.9W. 
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE 
WINDS WITHIN 80 NM NW AND SE QUADRANTS...90 NM NE QUADRANT AND 
60 NM SW QUADRANT.  SEAS 12 FT OR GREATER WITHIN 150 NM N AND 60 
NM S SEMICIRCLES. SEAS TO 21 FT.
.72 HOUR FORECAST TROPICAL STORM OLIVIA NEAR 16.0N 124.0W. 
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM OLIVIA NEAR 15.5N 125.5W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW OLIVIA NEAR 15.0N
127.5W. 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 60 NM S 
SEMICIRCLES OF CENTER WINDS WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. 
ELSEWHERE WITHIN 300 NM SE SEMICIRCLE WINDS 20 KT OR LESS. SEAS 
TO 8 FT PRIMARILY IN S SWELL.
.24 HOUR FORECAST EXCEPT AS NOTED OLIVIA WARNING...WITHIN 300 NM 
NW AND 120 NM SE SEMICIRCLES OF CENTER WINDS 20 TO 33 KT. SEAS 8 
TO 12 FT. ELSEWHERE WITHIN 240 NM SE SEMICIRCLE WINDS 20 KT OR 
LESS. SEAS TO 8 FT PRIMARILY IN S SWELL.
.48 HOUR FORECAST EXCEPT AS NOTED OLIVIA WARNING...WITHIN 420 NM 
NW AND 150 NM SE SEMICIRCLES OF CENTER WINDS 20 TO 33 KT. SEAS 8 
TO 12 FT.

.N OF 27N E OF 118W NW WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE. 

.06 HOUR FORECAST GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. 
SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 16N94.5W 
TO 14N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 
TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST WITHIN 45 NM EITHER SIDE OF LINE FROM 16N94.5W 
TO 14N96W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 
TO 25 KT. SEAS TO 9 FT.

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

CONVECTION VALID AT 0300 UTC SUN OCT 07...

.TROPICAL STORM OLIVIA...SCATTERED MODERATE TO STRONG WITHIN 150 
W SEMICIRCLE. SCATTERED MODERATE ISOLATED STRONG FROM 180 NM TO 
420 NM FROM CENTER OVER NE QUADRANT. NEW BANDS OF CONVECTION ARE 
DEVELOPING NEAR THE CENTER.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH 09N85W TO 11N99W TO 09N105W TO 10N109W...THEN 
RESUMES SW OF TS OLIVIA AT 12N122W TO 08N128W TO 10N137W. ITCZ 
AXIS 10N137W TO 09N140W. SCATTERED MODERATE ISOLATED STRONG 
WITHIN 90 NM OF LINE 08N78W TO 07N83W TO 09N88W TO 07N95W. 
ISOLATED MODERATE AND STRONG FROM 07N TO 11N BETWEEN 95W AND 
108W...AND WITHIN 30 NM LINE 10N121W TO 06N128W TO 09N133W.

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.