230 
FZPN03 KNHC 222135
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC THU AUG 22 2019

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 1800 UTC THU AUG 22.
24 HOUR FORECAST VALID 1800 UTC FRI AUG 23.
48 HOUR FORECAST VALID 1800 UTC SAT AUG 24.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM IVO NEAR 16.1N 114.1W 996 MB AT 2100 UTC AUG 22
MOVING WNW OR 295 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 55 KT
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM NE AND SW
QUADRANTS...30 NM NW QUADRANT AND 90 NM SE QUADRANT.  SEAS 12 FT
OR GREATER WITHIN 30 NM W SEMICIRCLE...150 NM NE QUADRANT AND
120 NM SE QUADRANT WITH SEAS TO 20 FT. ELSEWHERE WITHIN 120 NM N
SEMICIRCLE...240 NM SE AND 150 NM SW QUADRANTS WINDS 20 TO 33 
KT. SEAS 8 TO 12 FT. FROM 08N TO 14N BETWEEN 108W AND 127W S TO 
SW WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. FROM 14N TO 21N BETWEEN 
105W AND 110W SE TO S WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. 
REMAINDER OF AREA FROM 06N TO 22N BETWEEN 103W AND 124W WINDS 20
KT OR LESS. SEAS TO 8 FT IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM IVO NEAR 18.5N 116.0W. MAXIMUM 
SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS 
WITHIN 90 NM E SEMICIRCLE...70 NM SW QUADRANT AND 50 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 240 NM NE AND 270 NM SE
QUADRANTS AND 120 NM W SEMICIRCLE WITH SEAS TO 26 FT. ELSEWHERE
WITHIN 270 NM NE AND 300 NM SE QUADRANTS AND 150 NM W SEMICIRCLE
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 10N 
TO 24N BETWEEN 106W AND 120W WINDS 20 KT OR LESS. SEAS TO 10 FT 
IN MIXED SWELL. 
.48 HOUR FORECAST TROPICAL STORM IVO NEAR 22.0N 117.8W. MAXIMUM 
SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS 
WITHIN 80 NM E SEMICIRCLE...50 NM SW QUADRANT AND 60 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM E AND 120 NM W
SEMICIRCLES WITH SEAS TO 24 FT. ELSEWHERE FROM 20N TO 25N BETWEEN
114W AND 120W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF 
AREA FROM 16N TO 28N BETWEEN 109W AND 122W WINDS 20 KT OR LESS. 
SEAS TO 10 FT IN MIXED SWELL. 
.72 HOUR FORECAST POST-TROPICAL IVO NEAR 25.9N 119.7W. MAXIMUM 
SUSTAINED WINDS 35 KT GUSTS 45 KT. 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. 
.96 HOUR FORECAST POST-TROPICAL REMNANT LOW IVO NEAR 28.5N 
121.0W. 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.

.GULF OF CALIFORNIA N OF 29.5N SE TO S WINDS 20 TO 25 KT. SEAS 
TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE EXCEPT SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.N OF 29N BETWEEN 120W AND 124W WINDS 20 KT OR LESS. SEAS 8 FT 
IN NW SWELL.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 2100 UTC THU AUG 22...

.TROPICAL STORM IVO. NUMEROUS MODERATE SCATTERED STRONG WITHIN 
90 NM SW SEMICIRCLE. SCATTERED MODERATE ISOLATED STRONG FROM 12N
TO 17N BETWEEN 113W AND 119W.

.SCATTERED MODERATE TO STRONG FROM 12N TO 24N BETWEEN 103W AND 
110W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS FROM 07N78W TO 11N101W...THEN RESUMES FROM
14N120W TO 1011 MB LOW PRES NEAR 14N132W TO 13N140W. SCATTERED 
MODERATE WITHIN 180 NM S OF MONSOON TROUGH BETWEEN 123W AND 129W.

$$
.FORECASTER REINHART. NATIONAL HURRICANE CENTER.