000
FZPN03 KNHC 092128
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC THU AUG 9 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC THU AUG 09
24 HOUR FORECAST VALID 1800 UTC FRI AUG 10
48 HOUR FORECAST VALID 1800 UTC SAT AUG 11

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM GILMA NEAR 17.2N 119.1W 992 MB AT 2100 UTC AUG
09 MOVING NW OR 310 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 60 KT 
GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM E 
SEMICIRCLE...50 NM SW AND 60 NM NW QUADRANTS. SEAS 12 FT OR 
GREATER WITHIN 120 NM OF CENTER EXCEPT 90 NM SW QUADRANT WITH 
SEAS TO 23 FT.
.24 HOUR FORECAST TROPICAL STORM GILMA NEAR 18.4N 119.9W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE 
WINDS WITHIN 60 NM NW AND SE QUADRANTS...70 NM NE AND 50 NM SW 
QUADRANTS. SEAS 12 FT OR GREATER WITHIN 90 NM OF CENTER EXCEPT 
60 NM SW QUADRANT WITH SEAS TO 18 FT.
.48 HOUR FORECAST TROPICAL STORM GILMA NEAR 19.9N 120.8W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE 
WINDS WITHIN 30 NM NW AND SE QUADRANTS...40 NM NE AND 0 NM SW 
QUADRANTS. SEAS 12 FT OR GREATER WITHIN AREA OF TROPICAL STORM 
FORCE WINDS WITH SEAS TO 14 FT.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW GILMA NEAR 20.5N 
121.5W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
.96 HOUR FORECAST...DISSIPATED.

FORECAST WINDS NEAR 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 OF GILMA WINDS 20 TO
33 KT. SEAS 8 TO 12 FT. ELSEWHERE WITHIN 300 NM OF CENTER WINDS 
20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL.
.24 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS...WITHIN 135 NM OF 
GILMA WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. ELSEWHERE WITHIN 210 
NM OF CENTER WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL.
.48 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS...WITHIN 90 NM OF 
GILMA WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. ELSEWHERE WITHIN 150 
NM OF CENTER WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL.
 
.N OF 28N BETWEEN 120W AND 132W WINDS 20 KT OR LESS. SEAS 8 TO 9 
FT IN N SWELL.
.24 HOUR FORECAST N OF 28N BETWEEN 124W AND 132W WINDS 20 KT OR 
LESS. SEAS 8 FT IN N SWELL.
.48 HOUR FORECAST N OF 27N BETWEEN 124W AND 133W WINDS 20 KT OR 
LESS. SEAS 8 FT IN N SWELL.

.24 HOUR FORECAST LOW PRES NEAR 17N102W. WITHIN 60 NM SW 
SEMICIRCLE SW TO W WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LOW PRES NEAR 18N106W. WITHIN 90 NM OF CENTER 
WINDS 20 TO 30 KT. SEAS TO 10 FT.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

CONVECTION VALID AT 2100 UTC THU AUG 9...

.HURRICANE GILMA...NUMEROUS MODERATE TO STRONG WITHIN 120 NM OF 
CENTER EXCEPT 75 NM NW QUADRANT.

.NUMEROUS MODERATE TO STRONG N OF 14N BETWEEN 93W AND 97W 
INCLUDING THE GULF OF TEHUANTEPEC.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
DISCONTINUOUS MONSOON TROUGH FROM 09N78W TO 10N88W...FROM 16N96W 
TO 12N99W TO 10N110W...AND FROM 13N122W TO 07N140W. SCATTERED 
MODERATE ISOLATED STRONG WITHIN 120 NM OF TROUGH AXIS INCLUDING 
N OF 09N BETWEEN 88W AND 96W. 

$$
.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.