000
FZPN03 KNHC 310305
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
0430 UTC WED JUL 31 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC WED JUL 31.
24 HOUR FORECAST VALID 0000 UTC THU AUG 01.
48 HOUR FORECAST VALID 0000 UTC FRI AUG 02.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM GIL AT 13.1N 117.6W 1002 MB AT 0300 UTC JUL 31
MOVING W-NW OR 285 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 40 GUSTS
50 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM N SEMICIRCLE AND
20 NM SE QUADRANT.  SEAS 12 FT OR GREATER WITHIN 45 NM NE 
QUADRANT...20 NM SW QUADRANT...AND 30 NM NW QUADRANT WITH SEAS
TO 13 FT.
.24 HOUR FORECAST TROPICAL STORM GIL NEAR 14.2N 121.5W. MAXIMUM
SUSTAINED WINDS 55 GUSTS 65 KT. TROPICAL STORM FORCE WINDS
WITHIN 50 NM N SEMICIRCLE...40 NM SE QUADRANT AND 30 NM SW
QUADRANT. SEAS 12 FT OR GREATER 105 NM N SEMICIRCLE WITH SEAS TO
18 FT. ELSEWHERE WITHIN 240 NM N AND WITHIN 120 NM S SEMICIRCLES
OF CENTER WINDS 20 TO 33 KT. SEAS TO 12 FT. 
.48 HOUR FORECAST HURRICANE GIL NEAR 15.2N 125.5W. MAXIMUM
SUSTAINED WINDS 65 GUSTS 80 KT. TROPICAL STORM FORCE WINDS
WITHIN 70 NM N SEMICIRCLE...60 NM SE QUADRANT AND 50 NM SW
QUADRANT. SEAS 12 FT OR GREATER 180 NM NE AND 60 NM SW 
SEMICIRCLES WITH SEAS TO 23 FT. ELSEWHERE WITHIN 240 NM W
AND WITHIN 180 NM E SEMICIRCLES OF CENTER WINDS 20 TO 30 KT.
SEAS 8 TO 13 FT.
.72 HOUR FORECAST HURRICANE GIL NEAR 15.9N 128.8W.
MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM GIL NEAR 16.4N 132.0W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.
.120 HOUR FORECAST TROPICAL STORM GIL NEAR 16.5N 135.5W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 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.

.06 HOUR FORECAST FROM 14N TO 19N W OF 136W  WINDS 20 KT OR LESS.
SEAS TO 8 FT IN MIXED NE SWELL.
.24 HOUR FORECAST  FROM 12N TO 19N W OF 133W  WINDS 20 KT OR 
LESS.  SEAS TO 9 FT IN MIXED NE SWELL.
.48 HOUR FORECAST  FROM 13N TO 16N W OF 134W  WINDS 20 KT OR
LESS.  SEAS TO 8 FT IN MIXED NE SWELL.
 
CONVECTION VALID 0300 UTC WED JUL 31...

.TROPICAL STORM GIL...NUMEROUS MODERATE AND SCATTERED STRONG
WITHIN 150 NM NE QUADRANT AND WITHIN 60 NM ELSEWHERE.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...                
MONSOON TROUGH AXIS EXTENDS FROM 10N86W TO 09N94W TO 12N103W TO
10N110W. ITCZ AXIS FROM 11N120W TO 109N130W TO 10N140W.
SCATTERED MODERATE ISOLATED STRONG CONVECTION WITHIN 90 NM S OF
AXIS FROM 90W TO 100W AND WITHIN 90 NM OF AXIS FROM 124W TO 126W.
    
$$
.FORECASTER WALLY BARNES.  NATIONAL HURRICANE CENTER.