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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220118032246.18EC61C0EEE@weather.cod.edu>
Date: Tue, 18 Jan 2022 03:22:46 +0000
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506 
FZPN40 PHFO 180322
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC TUE JAN 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 18 2022.
24 HOUR FORECAST VALID 0000 UTC JAN 19 2022.
48 HOUR FORECAST VALID 0000 UTC JAN 20 2022.

.WARNINGS. 

...GALE WARNING...
.FRONT FROM 30N162E TO 29N160E MOVING E 25 KT. SW WINDS 30 TO 35 
KT WITHIN 150 NM E OF FRONT. SW TO W WINDS 20 TO 30 KT ELSEWHERE 
N OF A LINE FROM 30N172E TO 26N160E.
.24 HOUR FORECAST FRONT 30N172E TO 24N160E. W WINDS 30 TO 35 KT N 
OF A LINE FROM 30N175E TO 26N170E TO 27N160E. SW TO W WINDS 20 TO 
30 KT ELSEWHERE N OF A LINE FROM 30N175W TO 24N175E TO 23N160E. 
.48 HOUR FORECAST FRONT FROM 30N173W TO 24N175E TO 19N160E. SW TO 
W WINDS 30 TO 40 KT N OF A LINE FROM 30N167W TO 25N180E TO 
30N164E. SW TO NW WINDS 20 TO 30 KT ELSEWHERE N OF A LINE FROM 
30N160W TO 22N175W TO 23N170E TO 28N160E. 

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N163W TO 26N168W TO 19N174E TO 16N160E MOVING E 30 
KT E OF 174E AND NEARLY STATIONARY W OF 174E. SW TO W WINDS 20 TO 
30 KT N OF A LINE FROM 30N158W TO 24N170W TO 30N175E. ISOLATED 
MODERATE TSTMS WITHIN 90 NM OF FRONT N OF 26N.
.24 HOUR FORECAST FRONT FROM 30N155W TO 25N165W TO 22N180E. WINDS 
DIMINISHED TO 20 KT OR LESS.   
.48 HOUR FORECAST FRONT DISSIPATED. 

.TROUGH FROM 18N164W TO 15N167W MOVING WNW SLOWLY.
.24 HOUR FORECAST TROUGH FROM 19N165W TO 15N170W.  
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH FROM 09N156W TO 04N161W MOVING W 10 KT.
.24 HOUR FORECAST TROUGH FROM 09N163W TO 05N166W.  
.48 HOUR FORECAST TROUGH FROM 08N172W TO 05N172W.

.RIDGE FROM 30N145W TO 22N160W TO 19N175W NEARLY STATIONARY AND 
ERODING FROM THE W.

.RIDGE FROM 22N160E TO 23N177E MOVING E 25 KT.  

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 12 TO 18 FT N OF A LINE FROM 30N162W TO 26N175W TO 23N174E 
TO 29N160E. SEAS 8 TO 12 FT ELSEWHERE N OF A LINE FROM 30N157W TO 
22N170W TO 06N176W TO 10N160E. 
.24 HOUR FORECAST SEAS 18 TO 22 FT N OF A LINE FROM 30N175E TO 
28N170E TO 28N160E. SEAS 12 TO 18 FT ELSEWHERE N OF A LINE FROM 
30N156W TO 23N175W TO 26N175E TO 25N160E. SEAS 8 TO 12 FT 
ELSEWHERE N OF A LINE FROM 30N150W TO 20N165W TO 05N175W TO 
22N165E TO 22N160E. 
.48 HOUR FORECAST SEAS 18 TO 26 FT N OF A LINE FROM 30N176W TO 
25N170E TO 27N160E. SEAS 12 TO 18 FT ELSEWHERE N OF A LINE FROM 
30N164W TO 22N180E TO 19N160E. SEAS 8 TO 12 FT ELSEWHERE N OF A 
LINE FROM 30N146W TO 05N165W TO 20N175W TO 16N160E. 

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.ISOLATED MODERATE TSTMS FROM 18N TO 13N E OF 141W...AND FROM 08N 
TO 05N W OF 164E. 

$$

.FORECASTER WROE. HONOLULU HI.


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