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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220224152905.4317A1C0EEE@weather.cod.edu>
Date: Thu, 24 Feb 2022 15:29:05 +0000
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737 
FZPN40 PHFO 241528
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC THU FEB 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC FEB 24 2022.
24 HOUR FORECAST VALID 1200 UTC FEB 25 2022.
48 HOUR FORECAST VALID 1200 UTC FEB 26 2022.

.WARNINGS. 

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N168W TO 23N177E TO 19N160E MOVING E 15 KT N OF 
23N...AND NEARLY STATIONARY ELSEWHERE. W TO SW WINDS 20 TO 25 KT N 
OF 28N BETWEEN 162W AND 180E. 
.24 HOUR FORECAST FRONT FROM 30N161W TO 27N167W TO 24N179E. WINDS
DIMINISHED TO 20 KT OR LESS.
.48 HOUR FORECAST WEAKENING FRONT FROM 30N148W TO 28N162W. 

.NE TO E WINDS 20 TO 25 KT FROM 06N TO 22N E OF 152W...FROM 08N TO 
19N BETWEEN 152W AND 170W...FROM 03N TO 18N BETWEEN 170W AND 
170E...AND FROM 04N TO 21N W OF 170E. 
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 04N TO 20N E OF 
150W...FROM 06N TO 19N BETWEEN 150W AND 180E...AND FROM 03N TO 19N
W OF 180E.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 06N TO 19N BETWEEN 
145W AND 180E...AND FROM 04N TO 20N W OF 180E.

.18 HOUR FORECAST NEW COLD FRONT NEAR 30N160E. SW WINDS 20 TO 25 KT
N OF 28N W OF 167E.
.24 HOUR FORECAST COLD FRONT FROM 30N164E RI 28N160E. SW WINDS 20 
TO 25 KT WITHIN 450 NM E OF COLD FRONT N OF 29N.
.48 HOUR FORECAST FRONT FROM 30N179W TO 27N172E TO 26N160E. WINDS
DIMINISHED TO 20 KT OR LESS. 

.RIDGE FROM 30N140W TO 26N156W TO 23N174W MOVING E SLOWLY...AND
GRADUALLY ERODING FROM THE W. 

.RIDGE FROM 25N160E TO 25N175E MOVING ENE 15 KT. 

.24 HOUR FORECAST NEW HIGH 28N177W 1021 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.OTHERWISE...WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.

.SEAS 18 TO 20 FT N OF A LINE FROM 30N170W TO 27N180E TO 27N169E TO
30N167E. SEAS 12 TO 18 FT ELSEWHERE N OF A LINE FROM 30N164W TO 
12N175E TO 10N160E. SEAS 8 TO 12 FT ELSEWHERE N OF A LINE FROM 
30N162W TO 18N172W TO 03N172W TO 03N160E. SEAS 8 TO 11 FT FROM 03N
TO 19N BETWEEN 154W AND 172W. SEAS 8 TO 10 FT FROM 05N TO 21N E OF 
154W.
.24 HOUR FORECAST SEAS 12 TO 16 FT N OF A LINE FROM 30N154W TO
10N167W TO 06N173W TO 06N173E TO 30N165E. SEAS 8 TO 12 FT ELSEWHERE
N OF A LINE FROM 30N150W TO 22N154W TO 04N154W TO 01N170W TO 
01N160E. SEAS 8 TO 10 FT FROM 04N TO 22N E OF 159W.
.48 HOUR FORECAST SEAS 12 TO 13 FT N OF 25N BETWEEN 151W AND 
170W...AND FROM 05N TO 17N BETWEEN 155W AND 177W. SEAS 8 TO 12 FT 
ELSEWHERE N OF A LINE FROM 10N140W TO 00N160W TO 00N177E TO 
01N160E. 

.OTHERWISE...SEAS 8 FT OR LOWER OVER REMAINDER OF FORECAST AREA.

.ISOLATED MODERATE TSTMS S OF 04N W OF 163E.

.ITCZ FROM 06N140W TO 06N160W TO 04N180E. ISOLATED MODERATE TSTMS
WITHIN 270 NM N OF ITCZ E OF 172W. 

$$

.FORECASTER HOUSTON. HONOLULU HI.


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