000
FZPN03 KNHC 021523
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1630 UTC FRI AUG 02 2013

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

PAN PAN

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

SYNOPSIS VALID 1200 UTC FRI AUG 02.
24 HOUR FORECAST VALID 1200 UTC SAT AUG 03.
48 HOUR FORECAST VALID 1200 UTC SUN AUG 04.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE GIL NEAR 14.6N 128.4W 990 MB AT 1500 UTC AUG 02 
MOVING W OR 270 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 
80 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM N SEMICIRCLE AND 
30 NM S SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 150 NM N 
SEMICIRCLE AND 90 NM S SEMICIRCLE WITH SEAS TO 25 FT. ELSEWHERE 
WITHIN 240 NM N AND 150 NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS 
8 TO 12 FT. 
.24 HOUR FORECAST TROPICAL STORM GIL NEAR 14.5N 131.0W. MAXIMUM 
SUSTAINED WINDS 60 KT GUSTS 75 KT. LITTLE CHANGE IN RADIUS OF 
TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER. ELSEWHERE 
WITHIN 210 NM N AND WITHIN 120 NM S SEMICIRCLES WINDS 20 TO 33 
KT. SEAS 8 TO 12 FT.  
.48 HOUR FORECAST TROPICAL STORM GIL NEAR 14.5N 134.0W. MAXIMUM 
SUSTAINED WINDS 55 KT GUSTS 65 KT. LITTLE CHANGE IN RADIUS OF 
TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER. ELSEWHERE 
WITHIN 180 NM N AND 120 NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS 
8 TO 12 FT. 
.72 HOUR FORECAST TROPICAL STORM GIL NEAR 14.5N 137.0W. MAXIMUM 
SUSTAINED WINDS 45 KT GUSTS 55 KT. EXTENDED OUTLOOK...USE FOR 
GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM GIL NEAR 14.0N 140.5W. MAXIMUM 
SUSTAINED WINDS 35 KT GUSTS 45 KT.
.120 HOUR FORECAST TROPICAL DEPRESSION GIL NEAR 13.5N 143.5W. 
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 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.

.LOW PRES 13N118W 1009 MB. WITHIN 60 NM OF CENTER WINDS 20 TO
25 KT. SEAS TO 9 FT. 
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
13N121W 1008 MB. WITHIN 60 NM OF CENTER WINDS 20 TO 25 KT. SEAS 
TO 9 FT. 
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
13N124W 1008 MB. WITHIN 60 NM OF CENTER WINDS 20 TO 25 KT. SEAS 
TO 9 FT. 
 
.FROM 12N TO 18N W OF 135W NE WINDS 20 TO 25 KT. SEAS 8 TO 10 
FT. ELSEWHERE FROM 10N TO 20N W OF 124W WINDS 20 KT OR LESS. 
SEAS 8 TO 11 FT IN MIXED SWELL.
.24 HOUR FORECAST FROM 10N TO 20N W OF 128W WINDS 20 KT OR LESS. 
SEAS 8 TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST FROM 10N TO 20N W OF 130W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 FT IN MIXED SWELL.

.CONVECTION VALID 1500 UTC FRI AUG 02...

.HURRICANE GIL...NUMEROUS MODERATE TO STRONG WITHIN 60 NM OF 
CENTER. 

.LOW PRES NEAR 13N118W...SCATTERED MODERATE TO ISOLATED STRONG 
CONVECTION S OF CENTER FROM 11N TO 13N BETWEEN 118W AND 119W.

.LOW PRES NEAR 12N138W...NUMEROUS MODERATE TO ISOLATED STRONG 
CONVECTION WITHIN 90 NM SW SEMICIRCLE.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...                
MONSOON TROUGH EXTENDS FROM 10N85W TO 08N95W TO 1009 MB LOW PRES 
AT 13N118W. ITCZ IS FROM 12N131W TO 1009 MB LOW PRES AT 12N138W. 
SCATTERED MODERATE ISOLATED STRONG FROM 10N TO 13N BETWEEN 91W 
AND 94W AND FROM 10N TO 13N BETWEEN 105W AND 110W.

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.