000
FZPN03 KNHC 310916
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC WED OCT 31 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC WED OCT 31.
24 HOUR FORECAST VALID 0600 UTC THU NOV 01.
48 HOUR FORECAST VALID 0600 UTC FRI NOV 02.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM ROSA NEAR 14.5N 117.3W 1003 MB AT 0900 UTC OCT 
31 MOVING W OR 275 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 40 KT 
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM NE 
QUADRANT...100 NM SE QUADRANT...AND 60 NM NW QUADRANT. SEAS 12 
FT OR GREATER WITHIN 90 NM E SEMICIRCLE AND 60 NM NW QUADRANT 
WITH SEAS TO 14 FT.
.24 HOUR FORECAST TROPICAL STORM ROSA NEAR 14.7N 118.3W. MAXIMUM
SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS
WITHIN 70 NM NE QUADRANT...80 NM SE QUADRANT...20 NM SW 
QUADRANT...AND 50 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
90 NM OF CENTER EXCEPT SW QUADRANT WITH SEAS TO 16 FT.
.48 HOUR FORECAST TROPICAL STORM ROSA NEAR 14.7N 118.8W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS
WITHIN 50 NM E SEMICIRCLE...0 NM SW QUADRANT AND 40 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 120NM N SEMICIRCLE...90 
NM SE QUADRANT AND 60 NM SW QUADRANT WITH SEAS TO 14 FT.
.72 HOUR FORECAST TROPICAL DEPRESSION ROSA NEAR 14.5N 119.5W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL REMNANT LOW ROSA NEAR 14.5N
120.0W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW ROSA NEAR 15.0N
120.5W. 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 WARNINGS...WITHIN 180 NM N AND 150 NM S 
SEMICIRCLES OF ROSA WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. 
.24 HOUR FORECAST...EXCEPT AS NOTED IN WARNINGS...WITHIN 210 NM 
N AND 180 NM S SEMICIRCLES OF ROSA WINDS 20 TO 33 KT. SEAS 8 TO 
12 FT.
.48 HOUR FORECAST...EXCEPT AS NOTED IN WARNINGS...WITHIN 180 NM 
N AND 150 NM S SEMICIRCLES OF ROSA WINDS 20 TO 33 KT. SEAS 8 TO 
12 FT.

.COLD FRONT FROM 30N138W TO 28N140W. NW OF LINE FROM 30N135W TO 
27N140W WINDS 20 KT OR LESS. SEAS TO 9 FT IN NW SWELL.
.24 HOUR FORECAST WEAKENING COLD FRONT 30N131W TO 26N140W. NW OF 
FRONT WINDS 20 KT OR LESS. SEAS TO 9 FT IN NW SWELL.
.48 HOUR FORECAST FRONT DISSIPATED. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.06 HOUR FORECAST FROM 10N TO 12N E OF 89W...INCLUDING THE GULF 
OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 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 0900 UTC WED OCT 31...

.T.S. ROSA NEAR 14.5N 117.3W...NUMEROUS MODERATE ISOLATED STRONG 
WITHIN 180 NM E SEMICIRCLE. SCATTERED MODERATE ELSEWHERE FROM 
13N TO 16N BETWEEN 112W AND 118W.

.LOW PRES NEAR 15N108W...NUMEROUS MODERATE ISOLATED STRONG 
WITHIN 120 NM E SEMICIRCLE. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS FROM 07N78W TO LOW PRES NEAR 09N87W 1010 
MB TO 11N104W. ITCZ AXIS STRETCHES FROM LOW PRES NEAR 14N125W 
1011 MB TO LOW PRES NEAR 11N132W 1009 MB TO BEYOND 08N140W. NO 
DEEP CONVECTION.

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.