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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220101225330.4DB9B1C0EEE@weather.cod.edu>
Date: Sat, 1 Jan 2022 22:53:30 +0000
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665 
FZPN40 PHFO 012253
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC SAT JAN 01 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 JAN 01 2022.
24 HOUR FORECAST VALID 1800 UTC JAN 02 2022.
48 HOUR FORECAST VALID 1800 UTC JAN 03 2022.

.WARNINGS.

...GALE WARNING...
.FRONT FROM 30N171E TO 25N166E TO 20N160E MOVING E 20 KT. SW TO W 
WINDS 20 TO 30 KT N OF 25N W OF 173E.
.12 HOUR FORECAST FRONT FROM 30N175E TO 23N170E TO 18N160E. WINDS 
30 TO 40 KT N OF 28N W OF 168E. WINDS 20 TO 30 KT ELSEWHERE NW OF 
A LINE FROM 30N177E TO 24N172E TO 21N160E. 
.24 HOUR FORECAST FRONT FROM 30N179W TO 22N173E TO 17N160E. WINDS 
30 TO 40 KT N OF 27N BETWEEN 175E AND 170E. WINDS 20 TO 30 KT 
ELSEWHERE NW OF A LINE FROM 30N175W TO 25N176E TO 18N160E. 
.48 HOUR FORECAST FRONT FROM 30N170W TO 22N177W TO 14N160E. WINDS 
20 TO 30 KT N OF A LINE FROM 30N166W TO 23N175W TO 20N172E...AND
BETWEEN FRONT AND 20N W OF 165E.

.SYNOPSIS AND FORECAST. 

.FRONT FROM 30N168W TO 24N169W TO 19N172W TO 15N178E TO 13N170E
MOVING E 10 KT. WINDS 20 TO 30 KT BETWEEN FRONT AND A LINE FROM
30N180E TO 20N173W...AND N OF 28N BETWEEN FRONT AND 166W. SCATTERED 
MODERATE TSTMS FROM 14N TO 26N BETWEEN FRONT AND 165W.
.24 HOUR FORECAST FRONT MERGED WITH TROUGH DESCRIBED IMMEDIATELY
BELOW. SEE WINDS WITH TROUGH DESCRIBED IMMEDIATELY BELOW. 

.FRONT FROM 30N166W TO 27N164W THENCE TROUGH TO 23N162W TO 18N161W
TO 15N164W TO 13N170W MOVING NE SLOWLY. WINDS 20 TO 30 KT N OF 27N
BETWEEN FRONT AND A LINE FROM 30N162W TO 26N160W. SCATTERED MODERATE
TSTMS FROM 15N TO 23N WITHIN 150 NM OF TROUGH. 
.24 HOUR FORECAST FRONT MOVED N OF AREA. TROUGH FROM 30N163W TO
20N165W TO 13N169W. WINDS 20 TO 30 KT N OF A LINE FROM 16N140W 
TO 22N157W TO 30N162W.
.48 HOUR FORECAST TROUGH FROM 30N162W TO 20N165W TO 16N167W. WINDS 
20 TO 25 KT N OF 20N BETWEEN 150W AND 158W...AND FROM 17N TO 23N E 
OF 150W.

.TROUGH FROM 30N162W TO 26N160W TO 19N152W MOVING NW 10 KT. WINDS
20 TO 30 KT WITHIN 450 NM E OF TROUGH...AND FROM 17N TO 22N E OF
152W. ISOLATED MODERATE TSTMS WITHIN 120 NM OF TROUGH.
.24 HOUR FORECAST TROUGH MERGED WITH TROUGH DESCRIBED IMMEDIATELY
ABOVE. SEE WINDS WITH TROUGH DESCRIBED IMMEDIATELY ABOVE. 

.48 HOUR FORECAST NEW FRONT FROM 30N161E TO 29N160E. WINDS 20 TO
25 KT N OF FRONT.

.HIGH 22N171E 1011 MB MOVING SE 10 KT. RIDGE FROM HIGH TO 30N175E
MOVING E 10 KT.
.24 HOUR FORECAST HIGH 20N176E 1011 MB. 
.48 HOUR FORECAST HIGH 20N170W 1011 MB.

.RIDGE FROM 18N150W TO 12N157W TO 07N167W NEARLY STATIONARY.

.SEAS 12 TO 17 FT NW OF A LINE FROM 30N166E TO 23N160E. SEAS 8 TO 
12 FT ELSEWHERE NW OF A LINE FROM 30N172E TO 20N160E. SEAS 12 TO 
16 FT N OF A LINE FROM 25N157W TO 29N179E. SEAS 8 TO 12 FT ELSEWHERE
N OF 18N BETWEEN 150W AND 176E. 
.24 HOUR FORECAST SEAS 18 TO 22 FT N OF 27N W OF 173E. SEAS 12 TO
18 FT ELSEWHERE NW OF A LINE FROM 30N177E TO 22N170E TO 22N160E.
SEAS 8 TO 12 FT ELSEWHERE N OF A LINE FROM 25N180E TO 15N160E. SEAS
8 TO 11 FT N OF 22N BETWEEN 152W AND 180E.
.48 HOUR FORECAST SEAS 18 TO 21 FT N OF 27N BETWEEN 167W AND 170E.
SEAS 12 TO 18 FT ELSEWHERE N OF A LINE FROM 30N175W TO 20N172E TO
20N166E. SEAS 8 TO 12 FT ELSEWHERE N OF A LINE FROM 30N169W TO 
15N172E TO 14N160E.

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

.ITCZ FROM 10N140W TO 10N145W TO 12N150W. ISOLATED MODERATE TSTMS
FROM WITHIN 90 NM OF TROUGH.

$$

.FORECASTER AHUE. HONOLULU HI.


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