000
FZPN03 KNHC 240233
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC SAT AUG 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

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

SYNOPSIS VALID 0000 UTC SAT AUG 24.
24 HOUR FORECAST VALID 0000 UTC SUN AUG 25.
48 HOUR FORECAST VALID 0000 UTC MON AUG 26.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM IVO NEAR 20.7N 112.0W 998 MB AT 0300 UTC AUG 24 
MOVING N OR 350 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 40 KT 
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM OF CENTER 
EXCEPT 0 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 210 NM NE 
QUADRANT...240 NM SE QUADRANT...270 NM SW QUADRANT...AND 0 NM NW 
QUADRANT WITH SEAS TO 17 FT. ELSEWHERE WITHIN 240 NM NE AND SW 
QUADRANTS...270 NM SE QUADRANT...210 NM NW QUADRANT...AND WITHIN 
270 NM S OF A LINE FROM 18N114W TO 14N122W WINDS 20 TO 33 KT. 
SEAS 8 TO 12 FT. REMAINDER OF AREA OVER FORECAST WATERS BOUNDED 
BY A LINE FROM 10N120W TO 16N105W TO 26N107W TO 14N127W TO 
10N120W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN A BROAD MIX OF 
SWELL.
.24 HOUR FORECAST TROPICAL STORM IVO NEAR 23.8N 113.0W. MAXIMUM 
SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS 
WITHIN 150 NM E SEMICIRCLE...120 NM SW QUADRANT AND 60 NM NW 
QUADRANT. SEAS 12 FT OR GREATER OVER FORECAST WATERS WITHIN 180 
NM NE QUADRANT...210 NM SE QUADRANT...0 NM SW QUADRANT...AND 120 
NM NW QUADRANT WITH SEAS TO 18 FT. ELSEWHERE OVER FORECAST 
WATERS WITHIN 180 NM OF CENTER INCLUDING GULF OF CALIFORNIA 
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA OVER 
FORECAST WATERS BOUNDED BY A LINE FROM 27N116W TO 20N116W TO 
13N120W TO 15N104W TO 27N108W TO 27N116W WINDS 20 KT OR LESS. 
SEAS 8 TO 11 FT IN A BROAD MIX OF SWELL...EXCEPT SE TO S SWELL 
GULF OF CALIFORNIA.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW IVO NEAR 26.5N 
114.5W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. OVER FORECAST 
WATERS WITHIN 180 NM OF CENTER INCLUDING GULF OF CALIFORNIA 
WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW IVO NEAR 28.0N 
116.0W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL REMNANT LOW IVO NEAR 28.0N 
116.0W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.
.120 HOUR FORECAST...DISSIPATED.

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.

.48 HOUR FORECAST WITHIN 120 NM S OF A LINE FROM 10N93W TO 
08N107W WINDS 20 KT OR LESS. SEAS TO 9 FT IN S TO SW SWELL.

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

CONVECTION VALID 0230 UTC SAT AUG 24...

.TROPICAL STORM IVO...NUMEROUS MODERATE WITHIN 240 NM E 
SEMICIRCLE...AND WITHIN 420 NM SW QUADRANT.

.SCATTERED MODERATE WITHIN 120 NM N OF A LINE FROM 14N92W TO 
10N100W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...               
MONSOON TROUGH FROM 09N84W TO 12N106W THEN RESUMES NEAR 16N119W 
TO LOW PRES NEAR 14N126W TO LOW PRES NEAR 12N134W TO 12N140W. NO 
ITCZ AXIS IS PRESENT. SCATTERED MODERATE WITHIN 120 NM S OF 
MONSOON TROUGH BETWEEN 119W AND 123W...AND WITHIN 150 NM S OF 
MONSOON TROUGH BETWEEN 127W AND 134W.
 
$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.