000
FZPN03 KNHC 011523
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1630 UTC THU AUG 01 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU AUG 01.
24 HOUR FORECAST VALID 1200 UTC FRI AUG 02.
48 HOUR FORECAST VALID 1200 UTC SAT AUG 03.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE GIL NEAR 14.5N 124.2W 990 MB AT 1500 UTC AUG 01 
MOVING W OR 280 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 70 KT 
GUSTS 85 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM N 
SEMICIRCLE AND 30 NM S SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 
180 NM N SEMICIRCLE AND 120 NM S SEMICIRCLE WITH SEAS TO 27 FT. 
ELSEWHERE WITHIN 240 NM N AND 150 NM S SEMICIRCLES OF CENTER 
WINDS 20 TO 33 KT. ELSEWHERE WITHIN 270 NM N AND 150 NM S 
SEMICIRCLES OF CENTER SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 
11N TO 19N BETWEEN 120W AND 130W WINDS 20 KT OR LESS. SEAS 8 TO 
10 FT IN A BROAD MIX OF SWELL.
.24 HOUR FORECAST HURRICANE GIL NEAR 14.9N 127.3W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS 
WITHIN 70 NM N SEMICIRCLE...50 NM SE QUADRANT AND 40 NM SW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM N AND 120 NM S 
SEMICIRCLES WITH SEAS TO 28 FT. ELSEWHERE WITHIN 240 NM N AND 
WITHIN 150 NM S SEMICIRCLES OF CENTER WINDS 20 TO 33 KT. 
ELSEWHERE WITHIN 330 NM NW AND 180 NM SE SEMICIRCLES OF CENTER 
SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 10N TO 20N BETWEEN 122W 
AND 135W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN A BROAD MIX OF 
SWELL. 
.48 HOUR FORECAST TROPICAL STORM GIL NEAR 15.2N 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 180 NM N AND 120 NM S SEMICIRCLES OF CENTER 
WINDS 20 TO 33 KT. ELSEWHERE WITHIN 300 NM NW AND 150 NM SE 
SEMICIRCLES OF CENTER SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 
11N TO 20N BETWEEN 126W AND 135W WINDS 20 KT OR LESS. SEAS 8 TO 
11 FT IN A BROAD MIX OF SWELL. 
.72 HOUR FORECAST TROPICAL STORM GIL NEAR 15.0N 134.0W. MAXIMUM 
SUSTAINED WINDS 50 KT GUSTS 60 KT. EXTENDED OUTLOOK...USE FOR 
GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM GIL NEAR 15.0N 137.5W. MAXIMUM 
SUSTAINED WINDS 45 KT GUSTS 55 KT.
.120 HOUR FORECAST TROPICAL STORM GIL NEAR 15.0N 141.0W. MAXIMUM 
SUSTAINED WINDS 35 KT GUSTS 45 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 12.5N115W 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 
13N118W 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 
14N120W 1008 MB. WITHIN 75 NM OF CENTER WINDS 20 TO 25 KT. SEAS 
TO 9 FT. 
 
.FROM 12N TO 20N W OF 130W NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT 
IN MIXED NE AND SW SWELL.
.24 HOUR FORECAST FROM 10N TO 18N W OF 135W WINDS 20 KT OR LESS. 
SEAS TO 9 FT IN MIXED NE AND SW SWELL.
.48 HOUR FORECAST FROM 10N TO 20N W OF 135W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 FT IN MIXED NE AND SW SWELL.
 
CONVECTION VALID 1500 UTC THU AUG 01...

.HURRICANE GIL...NUMEROUS STRONG WITHIN 90 NM NW AND WITHIN 30 
NM SE SEMICIRCLES OF CENTER. SCATTERED MODERATE ISOLATED STRONG 
ELSEWHERE IN A BAND WITHIN 30 NM E OF LINE FROM 14N123W TO 
13N124W TO 12N125W.  

.LOW PRES CENTER AT 12.5N115W...A BAND OF SCATTERED MODERATE 
ISOLATED STRONG WITHIN 75 NM W SEMICIRCLE OF CENTER.  

.SCATTERED MODERATE TO ISOLATED STRONG GULF OF CALIFORNIA FROM 
25N TO 28N. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...                
MONSOON TROUGH AXIS FROM 09N84W TO 08N92W TO 1009 MB LOW 
PRESSURE AT 12.5N115W. ITCZ AXIS FROM 12N130W TO 10N140W. 
CLUSTERS OF MODERATE TO STRONG CONVECTION FROM 04N TO 08N E OF 
80W. SCATTERED MODERATE ISOLATED STRONG FROM 07N TO 09N BETWEEN 
83W AND 92W...FROM 07M TO 15N BETWEEN 100W AND 106W...FROM 13N 
TO 15N BETWEEN 112W AND 119W. SCATTERED MODERATE FROM 10N TO 13N 
BETWEEN 130W AND 134W.
    
$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.