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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220118222531.769771C0EEE@weather.cod.edu>
Date: Tue, 18 Jan 2022 22:25:31 +0000
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942 
FZPN40 PHFO 182225
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC TUE JAN 18 2022

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

THIS HIGH SEAS FORECAST USES 1-MINUTE AVERAGE WINDS WHICH MAY BE
HIGHER THAN 10-MINUTE AVERAGE WINDS.

SECURITE

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 1800 UTC JAN 18 2022.
24 HOUR FORECAST VALID 1800 UTC JAN 19 2022.
48 HOUR FORECAST VALID 1800 UTC JAN 20 2022.

.WARNINGS. 

...GALE WARNING...
.FRONT FROM 30N165E TO 26N160E MOVING E 40 KT. SW TO W WINDS 25 
TO 35 KT N OF LINE FROM 28N178W TO 25N176E TO 25N160E. 
.24 HOUR FORECAST FRONT FROM 30N177W TO 23N170E TO 20N160E. WINDS
25 TO 35 KT N OF LINE FROM 27N164W TO 23N178E TO 25N160E. 
.48 HOUR FORECAST FRONT FROM 30N163W TO 21N180E TO 18N167E. S TO 
SW WINDS 25 TO 35 KT BETWEEN FRONT AND 156W N OF 27N. W TO NW 
WINDS 20 TO 30 KT BETWEEN FRONT AND 174E N OF 25N.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N158W TO 25N163W TO 22N170W TO 18N174E MOVING E 20 
KT ALONG 30N...AND NEARLY STATIONARY W OF 163W. S TO SW WINDS 20 
TO 25 KT BETWEEN FRONT AND 150W N OF 29N. ISOLATED MODERATE TSTMS
N OF 25N BETWEEN 157W AND 160W.
.24 HOUR FORECAST FRONT DISSIPATED.

.TROUGH FROM 20N162W TO 17N168W TO 13N171W MOVING NW 10 KT. 
.24 HOUR FORECAST TROUGH FROM 22N165W TO 19N170W TO 16N175W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.48 HOUR FORECAST LOW E OF FORECAST AREA. NE TO E WINDS 20 TO 25
KT N OF 25N E OF 143W.

.HIGH 26N172W 1012 MB MOVING NE 15 KT. RIDGE FROM 30N168W TO HIGH
TO 23N180E TO 20N169E.
.24 HOUR FORECAST HIGH MOVED N OF FORECAST AREA.

.RIDGE FROM 30N141W TO 25N150W TO 21N161W NEARLY STATIONARY.

.RIDGE FROM 19N160E TO 20N164E NEARLY STATIONARY. 

.WINDS 20 KT OR LESS REST OF FORECAST AREA.

.SEAS 12 TO 16 FT N OF 27N W OF 162W. SEAS 8 TO 12 FT ELSEWHERE N
OF LINE FROM 28N156W TO 17N180E TO 17N169E TO 23N167E TO 24N160E.
.24 HOUR FORECAST SEAS 18 TO 25 FT N OF LINE FROM 28N177W TO
25N160E. SEAS 12 TO 18 FT ELSEWHERE N OF LINE FROM 28N171W TO 
21N160E. SEAS 8 TO 12 FT ELSEWHERE N OF LINE FROM 28N149W TO 
16N170W TO 12N177W TO 21N180E TO 19N160E. SEAS 8 TO 9 FT FROM 06N
TO 12N BETWEEN 160W AND 173W. 
.48 HOUR FORECAST SEAS 18 TO 21 FT N OF LINE FROM 28N171W TO
26N176W TO 26N175E TO 28N171E. SEAS 12 TO 18 FT ELSEWHERE N OF 
LINE FROM 28N161W TO 19N175E TO 19N166E TO 26N160E. SEAS 8 TO 12 
FT ELSEWHERE N OF LINE FROM 27N156W TO 17N178E TO 12N160E. SEAS 8
TO 10 FT N OF 23N E OF 146W. SEAS 8 TO 9 FT FROM 07N TO 14N 
BETWEEN 155W AND 177W.

.SEAS 8 FT OR LESS REST OF FORECAST AREA.

.ISOLATED MODERATE TSTMS FROM 04N TO 07N W OF 165E...AND S OF 03N
BETWEEN 178W AND 178E.

.ITCZ FROM 07N140W TO 08N155W TO 07N167W. ISOLATED MODERATE TSTMS
WITHIN 75 NM OF ITCZ W OF 147W.

$$

.FORECASTER KINEL. HONOLULU HI.


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