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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220131100916.791B01C0EEE@weather.cod.edu>
Date: Mon, 31 Jan 2022 10:09:16 +0000
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934 
FZPN40 PHFO 311007
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC MON JAN 31 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC JAN 31 2022.
24 HOUR FORECAST VALID 0600 UTC FEB 01 2022.
48 HOUR FORECAST VALID 0600 UTC FEB 02 2022.

.WARNINGS. 

...GALE WARNING...
.FRONT W OF AREA MOVING E 40 KT. SW WINDS 20 TO 30 KT N OF A LINE 
FROM 28N174E TO 23N165E TO 23N160E.
.06 HOUR FORECAST FRONT NEAR 30N160E. S TO SW WINDS 25 TO 40 KT N 
OF 25N W OF 172E. S TO SW WINDS 20 TO 30 KT ELSEWHERE NW OF A LINE 
FROM 27N178E TO 24N170E AND 21N160E.
.24 HOUR FORECAST FRONT FROM 30N176E TO 26N170E TO 21N160E. S TO SW 
WINDS 25 TO 40 KT WITHIN 480 NM E OF FRONT N OF 26N. NW WINDS 25 TO 
35 KT W OF FRONT. S TO SW WINDS 20 TO 30 KT ELSEWHERE WITHIN 660 NM 
E OF FRONT N OF 23N.
.48 HOUR FORECAST FRONT FROM 30N170W TO 23N180E TO 17N160E. S TO SW
WINDS 25 TO 35 KT WITHIN 330 NM E OF FRONT N OF 28N. NW WINDS 30 TO 
35 KT N OF 29N BETWEEN 177W AND 173E. WINDS 20 TO 30 KT ELSEWHERE N
OF A LINE FROM 28N162W TO 25N168W TO 24N176W TO 26N175E TO 29N168E.

.SYNOPSIS AND FORECAST.

.FIRST FRONT FROM 30N163W TO 23N168W TO 18N175W TO 14N174E MOVING E 
15 KT. SECOND FRONT FROM 30N160W TO 24N164W MOVING E SLOWLY. WINDS 
20 TO 30 KT N OF A LINE FROM 28N154W TO 26N161W TO 23N167W TO 
27N174W TO 29N177W. E TO SE WINDS 20 TO 25 KT N OF A LINE FROM 
21N148W TO 24N152W TO 28N154W. ISOLATED MODERATE TSTMS N OF 24N 
BETWEEN 158W AND 166W.
.24 HOUR FORECAST SECOND FRONT ABSORBED BY FIRST FRONT FROM 30N156W 
TO 25N159W TO 21N172W. SW WINDS 20 TO 25 KT WITHIN 120 NM E OF 
FRONT N OF 29N.
.48 HOUR FORECAST WEAKENING FRONT FROM 30N151W TO 27N153W. WINDS 
DIMINISHED TO 20 KT OR LESS.

.FRONT FROM 28N140W TO 27N145W MOVING S SLOWLY. 
.24 HOUR FORECAST FRONT DISSIPATED.

.E WINDS 20 TO 25 KT FROM 21N TO 26N E OF 145W.
.24 HOUR FORECAST NEW TROUGH JUST E OF AREA. E WINDS 20 TO 25 KT 
FROM 23N TO 26N E OF 143W.
.48 HOUR FORECAST TROUGH FROM 26N143W TO 18N148W. E TO SE WINDS 20 
TO 30 KT N OF 24N E OF 145W.

.NE TO E WINDS 20 TO 25 KT FROM 07N TO 13N BETWEEN 155W AND 180E.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 07N TO 13N BETWEEN
165W AND 178W.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 07N TO 12N BETWEEN
166W AND 175W.

.HIGH 27N177E 1017 MB MOVING NE 25 KT. RIDGES FROM HIGH TO 
30N179W...FROM HIGH TO 24N171W...AND FROM HIGH TO 22N170E TO 
20N160E...MOVING NE 25 KT.
.24 HOUR FORECAST HIGH 30N165W 1017 MB.
.48 HOUR FORECAST HIGH MOVED FAR N OF AREA.

.RIDGE FROM 30N148W TO 24N154W TO 18N169W MOVING ENE SLOWLY...AND
GRADUALLY ERODING FROM THE W. 

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

.SEAS 18 TO 23 FT N OF 28N BETWEEN 170W AND 177W. SEAS 12 TO 18 FT 
N OF A LINE FROM 30N167W TO 20N173W TO 20N179E TO 30N176E. SEAS 8 
TO 12 FT ELSEWHERE N OF A LINE FROM 30N156W TO 23N164W TO 21N176W 
TO 21N177E TO 30N168E. SEAS 8 TO 10 FT NW OF A LINE FROM 30N166E TO
26N160E. SEAS 8 TO 9 FT N OF 26N E OF 147W...AND FROM 03N TO 15N 
BETWEEN 153W AND 175E.
.24 HOUR FORECAST SEAS 12 TO 18 FT N OF A LINE FROM 30N176W TO 
25N172E TO 25N160E. SEAS 12 TO 15 FT N OF A LINE FROM 30N154W TO 
23N164W TO 23N169W. SEAS 8 TO 12 FT ELSEWHERE N OF A LINE FROM 
30N152W TO 16N171W TO 16N180E TO 24N178E TO 22N160E. SEAS 8 TO 9 FT 
FROM 05N TO 11N BETWEEN 160W AND 171E.
.48 HOUR FORECAST SEAS 12 TO 19 FT N OF 26N N OF A LINE FROM 30N167W
TO 28N171W TO 25N172E TO 25N160E. SEA 8 TO 12 FT N OF 23N E OF 
146W...AND ELSEWHERE N OF A LINE FROM 27N168W TO 23N174W TO 22N180E
TO 21N160E. SEAS 8 TO 11 FT N OF A LINE FROM 30N149W TO 19N154W TO 
19N162W TO 27N167W. SEAS 8 TO 10 FT WITHIN 210 NM OF A LINE FROM 
18N162W TO 05N179E.

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

.ITCZ FROM 07N140W TO 06N160W TO 06N180E. ISOLATED MODERATE TSTMS 
WITHIN 90 NM OF ITCZ E OF 146W.

$$

.FORECASTER HOUSTON. HONOLULU HI.


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