000
FZPN03 KNHC 231711 CCA
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1630 UTC FRI AUG 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC FRI AUG 23.
24 HOUR FORECAST VALID 1200 UTC SAT AUG 24.
48 HOUR FORECAST VALID 1200 UTC SUN AUG 25.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM IVO NEAR 18.7N 112.4W 1000 MB AT 1500 UTC AUG 23 
MOVING N OR 360 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 
45 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NE AND SW 
QUADRANTS...0 NM NW QUADRANT AND 150 NM SE QUADRANT.  SEAS 12 FT 
OR GREATER WITHIN 210 NM SE AND 150 NM SW QUADRANTS WITH SEAS TO 
15 FT. ELSEWHERE WITHIN 360 NM SE OF A LINE FROM 24N111W TO 
15N123W S TO SW WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST TROPICAL STORM IVO NEAR 21.5N 113.0W. MAXIMUM 
SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS 
WITHIN 120 NM NE AND SW QUADRANTS...60 NM NW QUADRANT AND 150 NM 
SE QUADRANT. SEAS 12 FT OR GREATER WITHIN 240 NM OF CENTER 
EXCEPT 60 NM NW QUADRANT WITH SEAS TO 17 FT. ELSEWHERE FROM 18N 
TO 25N E OF 116W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. FROM 13N TO 
18N BETWEEN 105W AND 120W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT 
IN SW SWELL.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW IVO NEAR 25.1N 
114.4W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. IN GULF OF 
CALIFORNIA BETWEEN 24N AND 28N SE TO S WINDS 20 TO 30 KT. SEAS 
TO 12 FT. 
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW IVO NEAR 27.0N 
115.5W. 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.

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 FROM 12N TO 17N BETWEEN 114W AND 119W WINDS 20 
KT OR LESS. SEAS TO 10 FT IN SW SWELL.

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

CONVECTION VALID 1500 UTC FRI AUG 23...

.TROPICAL STORM IVO...NUMEROUS MODERATE TO STRONG FROM 16N TO 
20N BETWEEN 107W AND 118W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...               
MONSOON TROUGH FROM 09N79W TO 08N83W TO 10N89W TO 07N98W TO 
07N110W...RESUMES FROM 16N118W TO LOW PRES NEAR 13N125W 1007 MB 
TO 13N133W TO 11N140W. NUMEROUS MODERATE TO STRONG FROM 09N TO 
14N BETWEEN 92W AND 96W. SCATTERED MODERATE ISOLATED STRONG 
WITHIN 60 NM OF TROUGH BETWEEN 122W AND 128W.
 
$$
.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.