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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220223223140.759C61C0EEE@weather.cod.edu>
Date: Wed, 23 Feb 2022 22:31:40 +0000
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098 
FZPN40 PHFO 232231
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC WED FEB 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 23 2022.
24 HOUR FORECAST VALID 1800 UTC FEB 24 2022.
48 HOUR FORECAST VALID 1800 UTC FEB 25 2022.

.WARNINGS. 

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N172W TO 27N179E TO 23N169E. FRONT MOVING 
E 10 KT N OF 27N AND SE 15 KT S OF 27N. WINDS S TO NW 20 TO 
30 KT N OF 27N W OF 165W. ASSOCIATED SEAS INCLUDED BELOW. 
.24 HOUR FORECAST FRONT FROM 30N165W TO 25N178W TO 21N171E. 
WINDS DIMINISHED TO 20 KT OR LESS. 
.48 HOUR FORECAST FRONT FROM 30N156W TO 26N168W TO 25N178W TO 
21N171E. 

.24 HOUR FORECAST NEW COLD FRONT JUST NW OF FORECAST AREA NEAR
33N156W. WINDS INCREASING TO SW TO W 20 TO 25 KT OVER FORECAST
WATERS N OF 28N W OF 170E. 
.48 HOUR FORECAST FRONT NEAR 30N170E. ASSOCIATED WINDS DIMINISHED
TO 20 KT OR LESS. 

.OTHERWISE WINDS NE TO E 20 TO 30 KT WITHIN AN AREA BOUND BY 
24N140W 07N140W 07N160W 02N179W 02N160E 22N160E 16N179W 21N160W
24N140W. 
.24 HOUR FORECAST WINDS NE TO SE 20 TO 30 KT WITHIN AN AREA 
BOUND BY 22N140W 06N140W 00N145W 00N162W 05N173W 02N175E 02N160E
20N160E 18N175W 20N156W 22N140W. 
.48 HOUR FORECAST WINDS NE TO SE 20 TO 30 KT WITHIN AN AREA
BOUND BY 22N140W 06N140W 00N150W 00N160E 20N160E 20N170W 22N140W.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 15 TO 21 FT OVER FORECAST WATERS N AND NW OF A LINE FROM 
30N173W TO 23N175E TO 18N165E. SEAS 8 TO 15 FT ELSEWHERE WITHIN 
AN AREA BOUND BY 30N160E 30N163W 18N179W 05N173W 05N160E 30N160E. 
ALSO SEAS 8 TO 10 FT FROM 18N TO 03N BETWEEN 179W AND 140W. 
.24 HOUR FORECAST SEAS 12 TO 17 FT OVER FORECAST WATERS NW OF A LINE
FROM 30N160W 08N179E. SEAS 8 TO 12 FT ELSEWHERE WITHIN AN AREA BOUND
BY 30N160E 30N155W 22N163W 20N140W 05N140W 02N170W 02N160E 30N160E. 
.48 HOUR FORECAST SEAS 12 TO 14 FT OVER FORECAST WATERS N OF 28N
BETWEEN 152W AND 174W. SEAS 8 TO 12 FT ELSEWHERE WITHIN AN AREA BOUND
BY 30N160E 30N143W 23N145W 21N140W 08N140W 03N160W 00N179E 03N160E
30N160E. 

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA. 

.RIDGE FROM 30N140W TO 25N148W. 

.RIDGE FROM 30N157W TO 25N167W TO 21N179E. 

.RIDGE FROM 24N160E TO 22N167E. 

.ITCZ FROM 07N140W TO 07N145W TO 06N152W TO 08N165W TO 03N179W. 
NUMEROUS MODERATE TSTMS FROM 11N TO 03N BETWEEN 173W AND 163W. ISOLATED
MODERATE TSTMS ELSEWHERE WITHIN 150 NM EITHER SIDE OF LINE OF 
CONVERGENCE. 

$$

.FORECASTER BEDAL. HONOLULU HI.


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