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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220125032321.735271C0EEE@weather.cod.edu>
Date: Tue, 25 Jan 2022 03:23:21 +0000
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008 
FZPN40 PHFO 250323
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC TUE JAN 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 JAN 25 2022.
24 HOUR FORECAST VALID 0000 UTC JAN 26 2022.
48 HOUR FORECAST VALID 0000 UTC JAN 27 2022.

.WARNINGS. 

...GALE WARNING...
.FRONT W OF FORECAST AREA. S TO SW WINDS 25 TO 35 KT NW OF LINE FROM
30N170E TO 23N160E.
.24 HOUR FORECAST FRONT FROM 30N175E TO 22N160E. S TO SW WINDS 25 TO
35 KT BETWEEN FRONT AND 180E N OF 26N. WINDS 20 TO 30 KT ELSEWHERE
N OF 23N W OF 175W.
.48 HOUR FORECAST FRONT FROM 30N170W TO 20N170E TO 20N160E. S TO SW
WINDS 25 TO 35 KT N OF 25N BETWEEN 178W AND 162W.

.SYNOPSIS AND FORECAST.

.LOW 14N146W 1011 MB MOVING SSW 10 KT. TROUGH FROM LOW TO 14N142W TO
08N143W TO 06N148W MOVING E SLOWLY. MAINLY N TO NE WINDS 20 TO 30 KT
FROM 15N TO 22N BETWEEN 155W AND 145W. ISOLATED MODERATE TSTMS FROM
07N TO 12N E OF 146W.
.24 HOUR FORECAST LOW DISSIPATED. TROUGH FROM 14N148W TO 07N153W. MAINLY
NE WINDS 20 TO 25 KT FROM 12N TO 19N BETWEEN 160W AND 155W.
.48 HOUR FORECAST REMNANT TROUGH FROM 13N153W TO 08N157W. WINDS EASED
TO 20 KT OR LESS. 

.FRONT FROM 30N162W TO 21N180W TO 15N160E MOVING E 20 KT. S TO SW WINDS
20 TO 30 KT WITHIN 90 NM E OF FRONT N OF 28N. SECOND FRONT FROM 30N167W
TO 23N175E MOVING E 25 KT. 
.24 HOUR FORECAST FRONTS MERGED. RESULTANT FRONT FROM 30N153W TO 22N166W
TO 23N175W. ASSOCIATED WINDS EASED TO 20 KT OR LESS. REMNANT TROUGH.
.48 HOUR FORECAST WEAK FRONT FROM 30N143W TO 25N160W. 

.TROUGH FROM 30N140W TO 27N144W NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH FROM 29N140W TO 27N145W. 
.48 HOUR FORECAST TROUGH MOVED E OF FORECAST AREA.

.HIGH 30N176E 1021 MB MOVING ENE 35 KT. RIDGES FROM HIGH TO 21N160E
AND FROM HIGH TO 27N180E. 
.24 HOUR FORECAST HIGH MOVED N OF FORECAST AREA.

.RIDGE FROM 30N152W TO 22N170W MOVING E SLOWLY...AND GRADUALLY ERODING
FROM THE SW.

.NE TO E WINDS 20 TO 25 KT FROM 04N TO 20N W OF 180E.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 03N TO 17N BETWEEN
180E AND 160W. 
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 04N TO 10N BETWEEN
176W AND 170W.

.WINDS 20 KT OR LESS REST OF FORECAST AREA. 

.SEAS 12 TO 13 FT N OF 27N BETWEEN 171E AND 175W. SEAS MAINLY 8 TO
11 FT ELSEWHERE N OF 05N.
.24 HOUR FORECAST SEAS MAINLY 8 TO 12 FT N OF 28N W OF 178E... SEAS
8 TO 11 FT ELSEWHERE N OF 04N BETWEEN 174E AND 150W... AND N OF 25N
W OF 174E.
.48 HOUR FORECAST SEAS MAINLY 8 TO 12 FT N OF A LINE FROM 30N150W TO
22N160W TO 27N172W TO 22N160E. SEAS 8 TO 10 FT FROM 06N TO 14N BETWEEN
173E AND 160W. 

.SEAS 8 FT OR LESS REST OF FORECAST AREA.

.ISOLATED MODERATE TSTMS FROM 03N TO 09N W OF 166E. 

.ITCZ FROM 05N150W TO 02N175W. 

$$

.FORECASTER SHIGESATO. HONOLULU HI.


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