000
FZPN03 KNHC 220300
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC WED JUL 22 2020

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC WED JUL 22.
24 HOUR FORECAST VALID 0000 UTC THU JUL 23.
48 HOUR FORECAST VALID 0000 UTC FRI JUL 24.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM DOUGLAS NEAR 12.1N 126.7W 998 MB AT 0300 UTC JUL
22 MOVING W OR 270 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 55 KT
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM N AND 30 NM
S SEMICIRCLES. SEAS 12 FT OR GREATER WITHIN 90 NM OF CENTER
EXCEPT 60 NM SW QUADRANT WITH SEAS TO 18 FT. ELSEWHERE WITHIN 
120 NM OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 11 FT.
.12 HOUR FORECAST HURRICANE DOUGLAS NEAR 12.1N 128.5W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT.
.24 HOUR FORECAST HURRICANE DOUGLAS NEAR 12.6N 130.8W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS 
WITHIN 70 NM N AND 40 NM S SEMICIRCLES. SEAS 12 FT OR GREATER 
WITHIN 120 NM OF CENTER EXCEPT 105 NM SW QUADRANT WITH SEAS TO 25
FT. ELSEWHERE WITHIN 180 NM OF CENTER WINDS 20 TO 33 KT. SEAS 8 
TO 12 FT.
.48 HOUR FORECAST HURRICANE DOUGLAS NEAR 15.1N 136.0W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS 
WITHIN 90 NM NE...50 NM SE...40 NM SW AND 70 NM NW QUADRANTS. 
SEAS 12 FT OR GREATER WITHIN 150 NM OF CENTER WITH SEAS TO 30 FT.
ELSEWHERE WITHIN 225 NM OF CENTER WINDS 20 TO 33 KT. SEAS 9 TO 
12 FT. REMAINDER AREA WITHIN 15N131W TO 12N138W TO 16N139W TO 
18N138W TO 19N133W TO 15N131W WINDS 20 KT OR LESS. SEAS 8 TO 10 
FT IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE DOUGLAS W OF AREA NEAR 17.5N 141.7W.
MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM DOUGLAS NEAR 18.8N 147.3W. 
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. 
.120 HOUR FORECAST TROPICAL STORM DOUGLAS NEAR 19.4N 153.1W. 
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 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.

.LOW PRES NEAR 19N136W 1013 MB. WITHIN 20N135W TO 19N136W TO 
19N137W TO 21N136W TO 21N135W TO 20N135W WINDS 20 TO 25 KT. SEAS
8 TO 9 FT.
.24 HOUR FORECAST LOW DISSIPATED W OF AREA. 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 0300 UTC WED JUL 22...

.TROPICAL WAVE ALONG 86W...SCATTERED MODERATE TO STRONG N OF 09N
BETWEEN 85W AND 88W.

.TROPICAL WAVE ALONG 96W...SCATTERED MODERATE ISOLATED STRONG
FROM 08N TO 12N BETWEEN 94W AND 98W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N79W TO 09N100W TO 12N120W...RESUMES FROM 
10N132W TO 10N140W. SCATTERED MODERATE ISOLATED STRONG FROM 07N 
TO 13N BETWEEN 90W AND 105W.

$$
.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.