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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220120105152.4F4E01C0EEE@weather.cod.edu>
Date: Thu, 20 Jan 2022 10:51:52 +0000
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470 
FZPN40 PHFO 201051
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC THU JAN 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 20 2022.
24 HOUR FORECAST VALID 0600 UTC JAN 21 2022.
48 HOUR FORECAST VALID 0600 UTC JAN 22 2022.

.WARNINGS. 

...GALE WARNING...
.FRONT FROM 30N169W TO 23N180E TO 18N160E MOVING E 20 KT. NW TO W
WINDS 30 TO 35 KT N OF 26N BETWEEN 180E AND 170E. ELSEWHERE WINDS
20 TO 30 KT N OF LINE FROM 30N155W TO 22N173W TO 22N172E TO
30N161E.  
.24 HOUR FORECAST FRONT FROM 30N160W TO 23N170W TO 20N175E. WINDS
20 TO 30 KT N OF 26N BETWEEN 151W AND 176W. 
.48 HOUR FORECAST DISSIPATING FRONT FROM 30N150W TO 23N158W TO 
23N165W. NW WINDS 20 TO 25 KT N OF 28N BETWEEN FRONT AND 156W. 

...GALE WARNING...
.24 HOUR FORECAST FRONT NEAR 30N160E. SW TO W WINDS 30 TO 35 KT N
OF 29N W OF 165E. ELSEWHERE SW TO W WINDS 20 TO 30 KT WINDS NW OF
LINE FROM 30N173E TO 23N160E. 
.48 HOUR FORECAST FRONT FROM 30N175E TO 22N160E. NW TO W WINDS 30
TO 40 KT N OF 25N W OF 166E. WINDS 20 TO 30 KT ELSEWHERE NW OF 
LINE FROM 30N171W TO 22N170W TO 21N160E. 

...GALE WARNING...
.24 HOUR FORECAST LOW JUST W OF AREA NEAR 24N139W 1009 MB. WINDS 
30 TO 35 KT FROM 25N TO 28N E OF 141W. E TO NE WINDS ELSEWHERE N 
OF 24N E OF 143W. 
.36 HOUR FORECAST LOW 24N141W 1011 MB. E TO NE WINDS 30 TO 35 KT 
FROM 25N TO 28N E OF 142W. WINDS 20 TO 30 KT ELSEWHERE N OF 23N E 
OF 145W. 
.48 HOUR FORECAST LOW 24N143W 1012 MB. E TO SE WINDS 20 TO 25 KT 
WITHIN 180 NM NE QUADRANT OF LOW. 

.SYNOPSIS AND FORECAST.

.RIDGE FROM 14N174W TO 21N158W TO 30N143W MOVING SLOWLY NE.

.24 HOUR FORECAST HIGH 25N174E 1015 MB. 

.48 HOUR FORECAST NE WINDS 20 TO 25 KT FROM 06N TO 12N BETWEEN 
160W AND 176W. 

.WINDS 20 KT OR LESS REST OF FORECAST AREA.

.SEAS 18 TO 26 FT N OF LINE FROM 30N166W TO 27N180E TO 25N166E TO
30N162E. SEAS 12 TO 18 FT ELSEWHERE N OF LINE FROM 30N162W TO 
22N175W TO 20N160E. SEAS 8 TO 12 FT ELSEWHERE N OF LINE FROM 30N149W
TO 22N158W TO 17N165E TO 17N160E. SEAS 8 TO 9 FT FROM 05N TO 14N
BETWEEN 164W AND 174W. 
.24 HOUR FORECAST SEAS 18 TO 22 FT N OF 27N BETWEEN 165W AND 
180E. SEAS 12 TO 18 FT ELSEWHERE N OF LINE FROM 30N156W TO 18N180E
TO 18N170E TO 30N160E. SEAS 8 TO 12 FT ELSEWHERE N OF LINE FROM 
30N151W TO 11N175E TO 09N160E. SEAS 8 TO 13 FT N OF 20N E OF 145W.
SEAS 8 TO 9 FT FROM 06N TO 11N BETWEEN 152W AND 172W. 
.48 HOUR FORECAST SEAS 18 TO 20 FT N OF 27N W OF 165E. SEAS 12 TO
18 FT N OF LINE FROM 30N152W TO 23N157W TO 22N174W TO 27N179E TO 
22N160E. SEAS 8 TO 12 FT N OF LINE FROM 20N140W TO 22N155W TO 
05N164W TO 04N173E TO 20N160E. 

.SEAS 8 FT OR LESS REST OF FORECAST AREA.

.ITCZ FROM 09N140W TO 06N148W TO 08N174W.


$$

.HONOLULU FORECAST OFFICE.


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