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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220104213028.05E1E1C0EEE@weather.cod.edu>
Date: Tue, 4 Jan 2022 21:30:28 +0000
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464 
FZPN40 PHFO 042130
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC TUE JAN 04 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 04 2022.
24 HOUR FORECAST VALID 1800 UTC JAN 05 2022.
48 HOUR FORECAST VALID 1800 UTC JAN 06 2022.

.WARNINGS.

...GALE WARNING...
.FRONT 30N179E 29N175E 30N170E MOVING E 20 KT. SECOND FRONT
30N162E 28N160E MOVING E 20 KT. W WINDS 30 TO 35 KT N OF 28N W OF
165E. WINDS 20 TO 30 KT ELSEWHERE N OF LINE 30N170E 26N160E AND N
OF 28N BETWEEN 174W AND 177E. ISOLATED MODERATE TSTMS WITHIN 90 NM
OF FRONTS. 
.24 HOUR FORECAST FRONT 30N165W 27N174W. SECOND FRONT 30N175E 
27N170E 23N160E. W WINDS 30 TO 40 KT N OF LINE 30N165W 27N175E 
28N160E. W WINDS 20 TO 30 KT ELSEWHERE N OF LINE 30N163W 24N170E 
24N160E. 
.48 HOUR FORECAST FIRST FRONT MOVED N OF AREA. SECOND FRONT 
30N176W 24N175E 18N160E. W WINDS 30 TO 40 KT N OF LINE 30N180W 
27N175E 27N168E 30N163E. W WINDS 20 TO 30 KT ELSEWHERE N OF LINE 
30N167W 24N180W 24N165E 28N160E. 

.SYNOPSIS AND FORECAST. 

.FRONT 30N163W 23N170W 18N180W 15N170E 13N160E MOVING E SLOWLY N
OF 15N AND NEARLY STATIONARY ELSEWHERE. W WINDS 20 TO 30 KT N OF
27N BETWEEN 158W AND 170W. S TO SE WINDS 20 TO 30 KT N OF 24N
BETWEEN 147W AND 155W. 
.24 HOUR FORECAST FRONT 30N156W 21N170W 18N175E. S TO SE WINDS 20
TO 30 KT N OF 26N BETWEEN 143W AND 150W.
.48 HOUR FORECAST FRONT 30N144W 25N155W 25N167W. WINDS DIMINISHED
TO 20 KT OR LESS. 

.24 HOUR FORECAST NEW TROUGH 21N150W 15N150W. WINDS E 20 TO 25 KT
FROM 20N TO 25N E OF 148W.
.48 HOUR FORECAST TROUGH 25N146W 20N150W 15N150W. SE WINDS 20 TO 
25 KT FROM 22N TO 25N BETWEEN 145W AND 149W. 

.HIGH 25N175E 1015 MB MOVING ENE 30 KT. RIDGE 30N180E TO HIGH TO 
22N160E MOVING SE SLOWLY.
.24 HOUR FORECAST HIGH 27N165W 1017 MB. 
.48 HOUR FORECAST HIGH MOVED N OF AREA. 

.RIDGE 28N140W 25N150W 20N156W 18N170W 15N180W MOVING E 10 KT AND
ERODING FROM THE W.

.WINDS 20 KT OR LESS REST OF AREA.

.SEAS 12 TO 18 FT N OF LINE 30N167W 22N174W 22N175E 30N172E. SEAS
8 TO 12 FT ELSEWHERE N OF LINE 245N140W 26N155W 28N160W 20N170W
12N178E 10N160E. SEAS 8 TO 9 FT FROM 18N TO 22N E OF 145W.
.24 HOUR FORECAST SEAS 18 TO 20 FT N OF 28N W OF 164E. SEAS 12 TO
18 FT ELSEWHERE N OF LINE 30N158W 25N165W 28N178W 26N170E 
24N160E. SEAS 8 TO 12 FT ELSEWHERE N OF LINE 12N140W 20N150 
20N162W 10N170W 10N175E 24N170E 22N160E. 
.48 HOUR FORECAST SEAS 18 TO 21 FT N OF LINE 30N180E 27N174E 
28N165E 30N160E. SEAS 12 TO 18 FT ELSEWHERE N OF LINE 30N170W 
23N170E 23N160E. SEAS 8 TO 12 FT ELSEWHERE N OF LINE 30N145W 
20N158W 10N160W 05N170W 05N180W 20N175E 15N160E. 

.SEAS 8 FT OR LOWER REST OF AREA.

.ISOLATED MODERATE TSTMS FROM 12N TO 18N E OF 148W.

.ITCZ 08N140W 09N157W 05N171W. ISOLATED MODERATE TSTMS WITHIN 120
NM OF ITCZ E OF 157W.

$$

.FORECASTER BURKE. HONOLULU HI.


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