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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220204221504.7DCF41C0EEE@weather.cod.edu>
Date: Fri, 4 Feb 2022 22:15:04 +0000
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781 
FZPN40 PHFO 042213
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC FRI FEB 04 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FEB 04 2022.
24 HOUR FORECAST VALID 1800 UTC FEB 05 2022.
48 HOUR FORECAST VALID 1800 UTC FEB 06 2022.

.WARNINGS. 

...GALE WARNING...
.LOW PASSING N OF AREA AND FRONT NW OF AREA MOVING E 25 KT. 
SW TO W WINDS 20 TO 30 KT N OF 27N W OF 180E.
.12 HOUR FORECAST FRONT JUST N OF AREA W OF 175W. SW TO W WINDS
30 TO 35 KT N OF 28N W OF 165E. SW WINDS 20 TO 30 KT ELSEWHERE 
NW OF A LINE FROM 30N179E TO 26N167E TO 25N160E.
.24 HOUR FORECAST FRONT FROM 30N167E TO 26N160E. SW TO W WINDS 
30 TO 35 KT N 0F 28N W OF 172E. SW WINDS 20 TO 30 KT ELSEWHERE 
NW OF A LINE FROM 30N179W TO 26N170E TO 24N160E. 
.48 HOUR FORECAST FRONT FROM 30N179E TO 23N160E. SW TO W WINDS 
20 TO 30 KT NW OF A LINE FROM 30N176W TO 26N170E TO 26N160E. 

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N161W TO 21N170W MOVING E 30 KT ALONG 30N...AND 
SE 15 KT ELSEWHERE. WINDS 20 TO 30 KT N OF 27N BETWEEN 149W 
AND 170W. 
.24 HOUR FORECAST DISSIPATING FRONT FROM 30N153W TO 22N167W. 
ASSOCIATED WINDS DIMINISHED TO 20 KT OR LESS.
.48 HOUR FORECAST FRONT DISSIPATED. REMNANT TROUGH FROM 30N154W TO 
25N160W. 

.HIGH 23N170E 1017 MB MOVING NE 40 KT. RIDGES FROM HIGH TO 
22N160E...AND FROM HIGH TO 23N180W TO 30N170W.
.24 HOUR FORECAST HIGH 27N166W 1022 MB. 
.48 HOUR FORECAST HIGH MOVED N OF AREA.

.RIDGE FROM 30N140W TO 24N155W TO 20N167W MOVING NE 20 KT.

.NE TO E WINDS 20 TO 25 KT FROM 14N TO 23N E OF 146W...AND FROM
06N TO 16N W OF 180E.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 06N TO 12N W OF 
175W. 
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 07N TO 14N 
BETWEEN 165W AND 176E.  

.SEAS 10 TO 15 FT N OF A LINE FROM 30N144W TO 24N160W TO 20N180W 
TO 22N170E TO 26N160E. ELSEWHERE SEAS 8 TO 10 FT N OF 05N W OF 
166W...N OF 20N BETWEEN 145W AND 166W. ALSO SEAS 8 TO 10 FT FROM 
13N TO 25N E OF 146W.
.24 HOUR FORECAST SEAS 10 TO 16 FT N OF 26N W OF 164W. ELSEWHERE 
SEAS 8 TO 10 FT N OF A LINE FROM 12N140W TO 10N160W TO 03N170W 
TO 04N176E TO 14N168E TO 24N160E. 
.48 HOUR FORECAST SEAS 12 TO 18 FT NW OF A LINE FROM 30N177W TO 
26N170E TO 24N160E. ELSEWHERE SEAS 8 TO 12 FT NW OF A LINE FROM 
30N170W TO 25N173E TO 20N160E. SEAS 8 TO 10 FT FROM 04N TO 19N 
BETWEEN 160W AND 172E...AND NE OF A LINE FROM 30N170W TO 24N164W 
TO 12N140W. 

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

.ITCZ FROM 08N140W TO 05N150W TO 00N163W. NO SIGNIFICANT
CONVECTION.

.SCATTERED MODERATE TO STRONG TSTMS FROM 12N TO 16N E OF 147W.
ISOLATED MODERATE TSTMS FROM 02N TO 08N BETWEEN 179W AND 162E. 

$$

.FORECASTER BIRCHARD. HONOLULU HI.


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