000
FZPN03 KNHC 080319
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC MON OCT 08.
24 HOUR FORECAST VALID 0000 UTC TUE OCT 09.
48 HOUR FORECAST VALID 0000 UTC WED OCT 10.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM OLIVIA NEAR 16.2N 120.9W 998 MB AT 0300 UTC OCT
08 MOVING N OR 355 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 50 KT 
GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM NE...
60 NM SE...50 NM SW...AND 70 NM NW QUADRANTS. SEAS 12 FT OR 
GREATER WITHIN 90 NM NE...45 NM SE...75 NM SW AND 120 NM NW 
QUADRANTS WITH SEAS TO 19 FT.
.24 HOUR FORECAST TROPICAL STORM OLIVIA NEAR 17.3N 121.0W. 
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. LITTLE CHANGE IN 
RADIUS OF TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER. 
SEAS TO 18 FT.
.48 HOUR FORECAST TROPICAL STORM OLIVIA NEAR 17.2N 122.2W. 
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE 
WINDS WITHIN 60 NM NE...40 NM SE...30 NM SW AND 50 NM NW 
QUADRANTS. SEAS 12 FT OR GREATER WITHIN 90 NM NE...30 NM SE...60 
NM SW AND 120 NM NW QUADRANTS WITH SEAS TO 15 FT.
.72 HOUR FORECAST POST TROPICAL REMNANT LOW OLIVIA NEAR 16.9N 
123.8W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST TROPICAL REMNANT LOW OLIVIA NEAR 16.0N 
125.7W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 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 210 NM NW AND 90 NM 
SE SEMICIRCLES OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. 
ELSEWHERE WITHIN 360 NM OF CENTER EXCEPT 150 NM E QUADRANT WINDS 
20 KT OR LESS. SEAS TO 8 FT PRIMARILY IN MIXED SWELL. 
.24 HOUR FORECAST EXCEPT AS NOTED OLIVIA WARNING...WITHIN 240 NM 
NW AND 120 NM SE SEMICIRCLES OF CENTER WINDS 20 TO 33 KT. SEAS 8 
TO 12 FT. ELSEWHERE WITHIN 480 NM NW AND 240 NM SE SEMICIRCLES 
OF CENTER WINDS 20 KT OR LESS. SEAS TO 8 FT PRIMARILY IN MIXED 
SWELL.
.48 HOUR FORECAST EXCEPT AS NOTED OLIVIA WARNING...WITHIN 210 NM 
NW AND 90 NM SE SEMICIRCLES OF CENTER WINDS 20 TO 33 KT. SEAS 8 
TO 12 FT. ELSEWHERE WITHIN 360 NM NW AND 180 NM SE SEMICIRCLES 
OF CENTER WINDS 20 KT OR LESS. SEAS TO 8 FT PRIMARILY IN MIXED 
SWELL.

.FROM 04N TO 08N BETWEEN 84W AND 94W WINDS 20 KT OR LESS. SEAS 
TO 8 FT IN SW SWELL.
.24 HOUR FORECAST LITTLE CHANGE. 
.48 HOUR FORECAST NEW LOW PRES NEAR 10N90W 1009 MB. WITHIN 180 
NM S SEMICIRCLE SW TO W WINDS 20 TO 25 KT. SEAS TO 8 FT.

.N OF 27N E OF 117W WINDS 20 KT OR LESS. SEAS TO 8 FT.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.06 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 16N94.5W 
TO 14.5N95W... INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 
25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST WITHIN 30 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 8 FT.
.30 HOUR FORECAST WITHIN 45 NM EITHER SIDE OF LINE FROM 16N94.5W 
TO 15N95W TO 14N96W...INCLUDING THE GULF OF TEHUANTEPEC...N TO 
NE WINDS 20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 0300 UTC MON OCT 08...

.TROPICAL STORM OLIVIA...NUMEROUS MODERATE TO STRONG WITHIN 45 NM
OF CENTER. SCATTERED MODERATE ISOLATED STRONG ELSEWHERE WITHIN 
120 NM W AND 210 NM E SEMICIRCLES OF CENTER.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH 09N84W TO 09N105W TO 08N112W...RESUMES AT 13N123W 
TO 08N135W. ITCZ AXIS 08N135W TO 08N140W. SCATTERED MODERATE 
ISOLATED STRONG WITHIN 90 NM LINE 07N81W TO 09.5N85W TO 
09N90W...AND WITHIN 30 NM LINE 13N94W TO 09N98W. SCATTERED 
MODERATE WITHIN 30 NM LINE 07N93W TO 08.5N100.5W TO 07N105W TO 
10N112W...AND FROM 06N TO 11N BETWEEN 128W AND 137W.

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.