000
FZPN03 KNHC 242117
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SAT AUG 24.
24 HOUR FORECAST VALID 1800 UTC SUN AUG 25.
48 HOUR FORECAST VALID 1800 UTC MON AUG 26.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM IVO NEAR 22.9N 114.1W 1000 MB AT 2100 UTC AUG 24 
MOVING NNW OR 335 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 35 KT 
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 170 NM E 
SEMICIRCLE...150 NM SW QUADRANT AND 0 NM NW QUADRANT. SEAS 12 FT 
OR GREATER WITHIN 180 NM NE QUADRANT...300 NM SE QUADRANT...150 
NM SW QUADRANT...AND 30 NM NW QUADRANT WITH SEAS TO 16 FT. 
ELSEWHERE OVER FORECAST WATERS WITHIN 270 NM E SEMICIRCLE... 
INCLUDING GULF OF CALIFORNIA...AND 180 NM W SEMICIRCLE WINDS 20 
TO 33 KT. SEAS 8 TO 12 FT. WITHIN 180 NM S OF A LINE FROM 
17N112W TO 15N118W S TO SW WINDS 20 TO 25 KT. SEAS 8 TO 11 FT IN 
SW SWELL. REMAINDER OF AREA OVER FORECAST WATERS FROM 12N TO 27N 
BETWEEN 106W AND 118W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN A 
BROAD MIX OF SWELL.
.24 HOUR FORECAST TROPICAL DEPRESSION IVO NEAR 25.6N 115.6W. 
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. OVER FORECAST WATERS 
WITHIN 270 NM NE AND E QUADRANTS...INCLUDING GULF OF CALIFORNIA 
...WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. ELSEWHERE WITHIN 120 NM 
OF CENTER WINDS 20 KT OR LESS. SEAS TO 9 FT IN A BROAD MIX OF 
SWELL.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW IVO NEAR 26.8N 
116.1W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 90 NM 
OF CENTER WINDS 20 TO 25 KT. SEAS TO 9 FT.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW IVO NEAR 27.0N 
116.5W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 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.

.30 HOUR FORECAST FROM 05N TO 10N BETWEEN 96W AND 106W WINDS 20 
KT OR LESS. SEAS 8 FT IN S TO SW SWELL.
.48 HOUR FORECAST WITHIN AN AREA BOUNDED BY A LINE FROM 05N110W 
TO 11N102W TO 11N94W TO 05N98W S TO SW WINDS 20 TO 25 KT. SEAS 
TO 9 FT.

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

CONVECTION VALID 2100 UTC SAT AUG 24...

.TROPICAL STORM IVO...SCATTERED MODERATE BETWEEN 75 AND 150 NM N 
QUADRANT...WITHIN 240 NM E QUADRANT...AND FROM 25N TO 28N IN THE 
GULF OF CALIFORNIA.
 
.SCATTERED MODERATE ISOLATED STRONG N OF A LINE FROM 03N78W TO 
06N85W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...               
MONSOON TROUGH FROM 10N85W TO 09N111W THEN RESUMES FROM 18N116W 
TO LOW PRES NEAR 14.5N126W TO 11N140W. NO ITCZ AXIS IS PRESENT. 
ISOLATED TO SCATTERED MODERATE FROM 10N TO 15N BETWEEN 91W AND 
109W...WITHIN 90-120 NM S OF MONSOON TROUGH BETWEEN 88W AND 
106W...WITHIN 180 NM SE OF MONSOON TROUGH BETWEEN 116W AND 
118W...AND FROM 10N TO 12N W OF 133W.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.