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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220212032719.E1D3A1C0EEE@weather.cod.edu>
Date: Sat, 12 Feb 2022 03:27:19 +0000
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644 
FZPN40 PHFO 120327
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC SAT FEB 12 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 12 2022.
24 HOUR FORECAST VALID 0000 UTC FEB 13 2022.
48 HOUR FORECAST VALID 0000 UTC FEB 14 2022.

.WARNINGS. 

...GALE WARNING...
.FRONT FROM 30N166E TO 26N165E TO 22N160E MOVING E 25 KT. WINDS 30
TO 35 KT N OF 23N W OF 173E. WINDS 20 TO 30 KT ELSEWHERE N OF 20N W
OF 179E. ISOLATED MODERATE TSTMS N OF 25N W OF 169.
.24 HOUR FORECAST FRONT FROM 30N174W TO 20N170E TO 14N160E. WINDS 30
TO 45 KT N OF 26N W OF 174W. WINDS 20 TO 30 KT ELSEWHERE N OF A LINE
FROM 26N168W TO 20N180E TO 21N170E TO 23N160E.
.48 HOUR FORECAST FRONT FROM 30N170W TO 20N180E TO 12N160E. WINDS 30
TO 35 KT N OF 27N BETWEEN 165E AND 180E. WINDS 20 TO 30 KT ELSEWHERE
N OF 23N W OF 164W.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N154W TO 26N165W NEARLY STATIONARY. ISOLATED MODERATE
TSTMS WITHIN 60 NM OF FRONT.
.24 HOUR FORECAST FRONT DISSIPATED. 

.FRONT FROM 30N163E TO 25N160E MOVING E 25 KT. 
.24 HOUR FORECAST FRONT MERGED TO FRONT DESCRIBED IN WARNING AREA ABOVE.

.TROUGH FROM 30N144W TO 24N145W MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH FROM 30N149W TO 24N144W. WINDS 20 TO 25
KT N OF 28N BETWEEN 157W AND 150W.
.48 HOUR FORECAST NEW LOW 26N154W TROUGH FROM 30N157W TO LOW TO 
20N150W. WINDS 20 TO 30 KT N OF 25N BETWEEN 158W AND 150W.

.TROUGH FROM 30N151W TO 26N154W TO 25N160W NEARLY STATIONARY. 
.24 HOUR FORECAST TROUGH DISSIPATED. 

.RIDGE FROM 30N165W TO 22N180W TO 15N160E MOVING E 20 KT.

.RIDGE FROM 30N147W TO 22N155W MOVING NE 10 KT.

.NE TO E WINDS 20 TO 25 KT FROM 07N TO 11N BETWEEN 180W AND 165W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 07N TO 11N BETWEEN
180E AND 150W.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 08N TO 11N BETWEEN
180W AND 158W.

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

.SEAS 12 TO 20 FT N OF 23N W OF 168E. SEAS 8 TO 12 FT ELSEWHERE N OF
A LINE FROM 25N173E TO 21N160E. SEAS 8 TO 9 FT N OF 25N BETWEEN 170W
AND 160W. 
.24 HOUR FORECAST SEAS 18 TO 26 FT N OF 24N W OF 177E. SEAS 12 TO 18
FT ELSEWHERE NW OF A LINE FROM 30N174W TO 20N170E TO 20N160E. SEAS 8
TO 12 FT ELSEWHERE NW OF A LINE FROM 30N170W TO 15N160E. SEAS 8 TO
9 FT FROM 08N TO 10N BETWEEN 175W AND 160W.
.48 HOUR FORECAST SEAS 18 TO 21 FT N OF 26N BETWEEN 165E AND 175W. SEAS
12 TO 18 FT NW OF A LINE FROM 30N170W TO 20N180W TO 20N160E. SEAS 8
TO 12 FT ELSEWHERE NW OF A LINE FROM 30N165W TO 12N170E TO 11N160E.

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

.ITCZ FROM 08N140W TO 07N170W TO 06N176E TO 04N167E. ISOLATED MODERATE
TSTMS FROM 02N TO 08N W OF 170E. 

$$

.FORECASTER SHIGESATO. HONOLULU HI.


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