000
FZPN03 KNHC 231506
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC FRI AUG 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 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 18.8N 115.0W 993 MB AT 1500 UTC AUG 23
MOVING NNW OR 330 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 50 KT
GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM NE
QUADRANT...110 NM SE QUADRANT...120 NM SW QUADRANT...AND 40 NM
NW QUADRANT.  SEAS 12 FT OR GREATER WITHIN 150 NM NE
QUADRANT...210 NM SE QUADRANT...120 NM SW QUADRANT...AND 90 NM
NW QUADRANT WITH SEAS TO 21 FT. ELSEWHERE WITHIN 180 NM NE
QUADRANT...240 NM SE QUADRANT...150 NM SW QUADRANT...AND 120 NM
NW QUADRANT WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF 
AREA WITHIN 450 NM NE QUADRANT...600 NM S SEMICIRCLE...AND 180 NM
NW QUADRANT...WINDS 20 KT OR LESS. SEAS 8 TO 11 FT.
.24 HOUR FORECAST TROPICAL STORM IVO NEAR 21.6N 116.4W. MAXIMUM 
SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS 
WITHIN 60 NM E SEMICIRCLE AND 40 NM W SEMICIRCLE. SEAS 12 FT OR 
GREATER 180 NM E SEMICIRCLE AND 120 NM W SEMICIRCLE WITH SEAS TO
18 FT. ELSEWHERE WITHIN 210 NM E SEMICIRCLE AND 150 NM W
SEMICIRCLE WINDS 2O TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF 
AREA WITHIN 390 NM NE QUADRANT...480 NM SE QUADRANT...270 NM SW 
QUADRANT...AND 240 NM NW QUADRANT WINDS 20 KT OR LESS. SEAS 8 TO 
11 FT.
.48 HOUR FORECAST TROPICAL DEPRESSION IVO NEAR 24.6N 117.9W. 
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS 12 FT OR GREATER 
WITHIN 90 NM ALL QUADRANTS WITH SEAS TO 15 FT. ELSEWHERE WITHIN
120 NM ALL QUADRANTS WINDS 20 TO 30 KT. SEAS 9 TO 12 FT.
REMAINDER OF AREA 240 NM NE QUADRANT...210 NM SE QUADRANT...150
NM SW QUADRANT...AND 180 NM NW QUADRANT WINDS 20 KT OR LESS. SEAS
8 TO 11 FT.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW IVO NEAR 27.6N 
118.6W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 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.

.GULF OF CALIFORNIA N OF 28.5N SE TO S WINDS 20 TO 25 KT. SEAS 8
TO 9 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

CONVECTION VALID AT 1500 UTC FRI AUG 23...

.TROPICAL STORM IVO NUMEROUS MODERATE TO STRONG WITHIN 390 NM SW
SEMICIRCLE.

.LOW PRES NEAR 10N98W 1011 MB SCATTERED MODERATE ISOLATED STRONG
WITHIN 210 NM ALL QUADRANTS.

.TROPICAL WAVE ALONG 103W SCATTERED MODERATE ISOLATED STRONG FROM
08N TO 15N BETWEEN 103W AND 111W.

.SCATTERED MODERATE ISOLATED STRONG FROM 22N TO 28N BETWEEN 106W
AND 111W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N78W TO 08N85W TO LOW PRESS NEAR 10N99W TO
14N108W...THEN RESUMES FROM 15N120W TO 13N130W TO 13N140W. 
SCATTERED MODERATE AND ISOLATED STRONG FROM 04N TO 14N BETWEEN 
78W AND 96W. SCATTERED MODERATE WITHIN 150 NM EITHER SIDE OF
TROUGH BETWEEN 126W AND 136W.

$$
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.