000
FZPN03 KNHC 310932
HSFEP2

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM GIL NEAR 13.3N 118.9W 1001 MB AT 0900 UTC JUL 31
MOVING W NW OR 285 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM N
SEMICIRCLE...30 NM SE QUADRANT AND 0 NM SW QUADRANT. SEAS 12 FT
OR GREATER WITHIN 90 NM N SEMICIRCLE...15 NM SE QUADRANT AND 30
NM SW QUADRANTS WITH SEAS TO 16 FT. ELSEWHERE WITHIN 120 NM NE AND 
WITHIN 75 NM SW SEMICIRCLES OF CENTER WINDS 20 TO 33 KT. WITHIN 
270 NM NE AND WITHIN 180 NM SW SEMICIRCLES OF CENTER SEAS 8 TO
12 FT.  
.24 HOUR FORECAST TROPICAL STORM GIL NEAR 14.4N 123.0W. MAXIMUM
SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS
WITHIN 100 NM N SEMICIRCLE...60 NM SE QUADRANT AND 40 NM SW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM NE AND 75 NM
SW SEMICIRCLES WITH SEAS TO 22 FT. ELSEWHERE WITHIN 180 NM NE
AND 90 NM SW SEMICIRCLES OF CENTER WINDS 20 TO 33 KT. WITHIN
300 NM NE AND WITHIN 180 NM SW SEMICIRCLES OF CENTER SEAS 8
TO 12 FT.  
.48 HOUR FORECAST HURRICANE GIL NEAR 15.2N 127.1W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS
WITHIN 110 NM N SEMICIRCLE...70 NM SE QUADRANT AND 50 NM SW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 270 NM NE AND WITHIN
90 NM SW SEMICIRCLES WITH SEAS TO 25 FT. ELSEWHERE WITHIN 180
NM E AND WITHIN 120 NM W SEMICIRCLES OF CENTER WINDS 20 TO 33
KT. WITHIN 360 NM E AND WITHIN 180 NM W SEMICIRCLES OF CENTER
SEAS 8 TO 12 FT. 
.72 HOUR FORECAST TROPICAL STORM GIL NEAR 15.7N 130.4W. MAXIMUM
SUSTAINED WINDS 60 KT GUSTS 75 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM GIL NEAR 16.0N 133.5W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT.
.120 HOUR FORECAST TROPICAL STORM GIL NEAR 16.0N 137.0W. 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 12N110.5W 1009 MB. WITHIN 60 NM N AND WITHIN 30 NM S
SEMICIRCLES OF CENTER WINDS 20 TO 25 KT. SEAS TO 10 FT.
POSSIBLE TROPICAL CYCLONE FORMATION. 
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
12.5N113.5W 1009 MB. WITHIN 120 NM N AND WITHIN 60 NM S
SEMICIRCLES OF CENTER WINDS 20 TO 30 KT. SEAS TO 11 FT. 
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
13N117W 1009 MB. LITTLE CHANGE IN WINDS AND SEAS.
 
.FROM 14N TO 16N W OF 138W WINDS 20 KT OR LESS. SEAS TO 8 FT
PRIMARILY IN MIXED NE AND SE SWELL.
.24 HOUR FORECAST FROM 12N TO 18N W OF 131W WINDS 20 KT OR 
LESS. SEAS TO 9 FT PRIMARILY IN MIXED NE AND SW SWELL.
.48 HOUR FORECAST FROM 13N TO 17N W OF 134W WINDS 20 KT OR
LESS. SEAS TO 8 FT PRIMARILY IN MIXED NE AND SW SWELL.
 
CONVECTION VALID 0900 UTC WED JUL 31...

.TROPICAL STORM GIL...NUMEROUS STRONG WITHIN 60 NM OF CENTER.
SCATTERED MODERATE ISOLATED STRONG ELSEWHERE WITHIN 120 NM OF
LINE FROM 15N115W TO 13N120W.

.LOW PRES 12N110.5W...SCATTERED MODERATE WITHIN 45 NM OF LINE FROM
14.5N111W TO 11.5N111W. 

.LOW PRES 12N126W 1012 MB...SCATTERED MODERATE ISOLATED STRONG
WITHIN 75 NM W AND WITHIN 60 NM E SEMICIRCLES OF CENTER.

.SCATTERED MODERATE ISOLATED STRONG WITHIN 150 NM OF THE COAST 
OF MEXICO AT 95W...99W...105W AND WITHIN 90 NM OF 21.5N106W.   

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...                
MONSOON TROUGH AXIS 11N85W TO 09N96W TO LOW PRES 12N110W.
ITCZ AXIS FROM 12N127W TO 10N133W TO 10N140W. SCATTERED MODERATE
ISOLATED STRONG CONVECTION WITHIN 60 NM OF LINES FROM 07N77W
TO 07N83W AND FROM 06N91W TO 11N107W. ISOLATED MODERATE TO
STRONG WITHIN 90 NM OF LINE FROM 14N122W TO 14N127W TO 
12N130W TO 14N134W TO 13N140W...AND ALONG 07.5N BETWEEN 131W
AND 137W. 
   
$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.