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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220223030404.9475D1C0EEE@weather.cod.edu>
Date: Wed, 23 Feb 2022 03:04:04 +0000
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771 
FZPN40 PHFO 230303
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC FEB 23 2022.
24 HOUR FORECAST VALID 0000 UTC FEB 24 2022.
48 HOUR FORECAST VALID 0000 UTC FEB 25 2022.

.WARNINGS. 

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N176W TO 21N162E THENCE SHEAR LINE TO 20N160E. FRONT MOVING
E 15 KT AND SHEAR LINE NEARLY STATIONARY. WINDS 20 TO 30 KT N OF 27N
W OF 170W. 
.24 HOUR FORECAST DISSIPATING FRONT FROM 30N171W TO 24N180E TO 21N170E.
SHEAR LINE DISSIPATED. WINDS 20 TO 30 KT N OF 28N BETWEEN 163E AND 164W.
.48 HOUR FORECAST DISSIPATING FRONT FROM 30N166W TO 23N180W TO 21N170E.
ASSOCIATED WINDS DIMINISHED TO 20 KT OR LESS. 

.TROUGH FROM 30N150W TO 25N154W TO 23N157W NEARLY STATIONARY. 
.24 HOUR FORECAST DISSIPATING TROUGH FROM 30N151W TO 28N158W.
.48 HOUR FORECAST TROUGH DISSIPATED. 

.NE TO E WINDS 20 TO 25 KT FROM 03N TO 14N W OF 166W...AND FROM 07N
TO 20N E OF 166W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 07N TO 20N E OF 170W...AND
FROM 02N TO 15N W OF 170W. 
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 05N TO 20N.

.48 HOUR FORECAST NEW FRONT NEAR 30N160E.

.HIGH N OF AREA 30N157W 1023 MB MOVING E 25 KT. ASSOCIATED RIDGE FROM
HIGH TO 22N180W TO 21N172E MOVING E 15 KT.
.24 HOUR FORECAST HIGH N OF AREA.

.RIDGE FROM 30N144W TO 25N150W NEARLY STATIONARY.

.RIDGE FROM 23N160E TO 23N164E NEARLY STATIONARY.

.SEAS 18 TO 22 FT NW OF A LINE FROM 30N173E TO 24N160E. SEAS 12 TO 18
FT ELSEWHERE NW OF A LINE FROM 30N175E TO 20N160E. SEAS 8 TO 12 FT ELSEWHERE
NW OF A LINE FROM 30N178E TO 23N170E TO 18N160E. SEAS 8 TO 10 FT FROM
04N TO 15N W OF 170E...FROM 06N TO 10N E OF 157W...AND N OF 27N BETWEEN
164W AND 152W. 
.24 HOUR FORECAST SEAS 18 TO 22 FT N OF A LINE FROM 30N175W TO 24N174E
TO 30N163E. SEAS 12 TO 18 FT ELSEWHERE NW OF A LINE FROM 30N171W TO
14N170E TO 12N160E. SEAS 8 TO 12 FT ELSEWHERE NW OF A LINE FROM 30N167W
TO 17N180E TO 02N160E. SEAS 8 TO 10 FT FROM 04N TO 14N BETWEEN 170E
AND 174W... AND FROM 04N TO 18N BETWEEN 170W AND 153W.
.48 HOUR FORECAST SEAS 12 TO 18 FT N OF A LINE FROM 30N162W TO 08N174W
TO 27N160E. SEAS 8 TO 12 FT N OF 04N W OF 160W. SEAS 8 TO 10 FT FROM
05N TO 20N E OF 160W.

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

.ITCZ FROM 06N140W TO 07N155W TO 04N167W. ISOLATED MODERATE TSTMS WITHIN
120 NM N OF ITCZ.

.SCATTERED MODERATE TSTMS FROM 01N TO 06N W OF 170E.

$$

.FORECASTER SHIGESATO. HONOLULU HI.


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