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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220128153748.DC55A1C0EEE@weather.cod.edu>
Date: Fri, 28 Jan 2022 15:37:48 +0000
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443 
FZPN40 PHFO 281537
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC FRI JAN 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC JAN 28 2022.
24 HOUR FORECAST VALID 1200 UTC JAN 29 2022.
48 HOUR FORECAST VALID 1200 UTC JAN 30 2022.

.WARNINGS. 

...GALE WARNING...
.LOW NEAR 28N171E 1004 MB MOVING ENE 35 KT. COLD FRONT FROM LOW 
TO 23N167E TO 19N160E. WARM FRONT FROM LOW TO 30N177E. WINDS SE 
TO SW 20 TO 25 KT N OF 28N WITHIN 480 NM E OF FRONT AXIS.
WINDS S TO SW 20 TO 30 KT S OF 28N WITHIN 300 NM E OF FRONT  
AXIS. WINDS NW TO W 20 TO 25 KT OF 28N WITHIN 180 NM W OF
FRONT AXIS. 
.12 HOUR FORECAST LOW NEAR 28N178E 1003 MB. FRONTS FROM LOW TO 
25N174E TO 21N170E TO 18N161E AND FROM LOW TO 30N176W. WINDS SE
TO SW 30 TO 40 KT FROM 28N TO 25N WITHIN 300 NM E OF FRONTAL 
BOUNDARY. WINDS SE TO SW 20 TO 30 KT ELSEWHERE N OF 21N WITHIN 
600 NM E OF FRONT AXIS. ALSO WINDS W TO NW 20 TO 30 KT FROM 
28N TO 25N WITHIN 480 NM W OF FRONT AXIS. 
.24 HOUR FORECAST LOW N OF FORECAST AREA. FRONT FROM 30N174W TO
26N178W TO 22N176E TO 16N163E. WINDS SE TO SW 30 TO 40 KT N OF 
26N WITHIN 420 NM E OF FRONT. WINDS E TO SW 20 TO 30 KT ELSEWHERE
N OF 22N WITHIN 720 NM E OF FRONT. ALSO WINDS W TO NW 20 TO 
30 KT N OF 22N WITHIN 360 NM W OF FRONT. ASSOCIATED SEAS INCLUDED
BELOW.
.48 HOUR FORECAST FRONT FROM 30N167W TO 25N172W TO 20N179E. 
WINDS SE TO SW 20 TO 30 KT N OF 25N WITHIN 600 NM E OF FRONT.
WINDS W TO NW 20 TO 30 KT N OF 25N WITHIN 720 NM W OF FRONT.
ASSOCIATED SEAS INCLUDED BELOW. 

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N157W TO 26N160W TO 26N163W MOVING SE 25 KT
THENCE A DISSIPATING STATIONARY FRONT TO 24N172W. WIND SW 20 TO
25 KT N OF 26N WITHIN 150 NM E OF FRONT. WINDS W TO NW 20 TO
25 KT N OF 26N WITHIN 150 NM W OF FRONT. 
.24 HOUR FORECAST FRONT FROM 30N146W TO 27N151W TO 24N156W.
ASSOCIATED WINDS DIMINISHED TO 20 KT OR LESS. 
.48 HOUR FORECAST DISSIPATING FRONT FROM 30N140W TO 26N143W. 

.12 HOUR FORECAST NEW COLD FRONT NEAR 30N160E. WINDS SW TO W
20 TO 25 KT OVER FORECAST WATERS NW OF A LINE FROM 30N167E TO 
26N160E. 
.24 HOUR FORECAST FRONT FROM 30N169E TO 27N165E TO 25N160E.
WINDS SW TO 25 KT N OF 27N WITHIN 150 NM E OF FRONT. WIND 
NW 20 TO 30 KT N OF 27N WITHIN 360 NM W OF FRONT.
.48 HOUR FORECAST FRONT FROM 30N173W TO 25N179W TO 23N173E.
ASSOCIATED WINDS INCLUDED WITH COLD FRONT DESCRIBED IN 
WARNING SECTION ABOVE. ASSOCIATED SEAS INCLUDED BELOW. 

.OTHERWISE WINDS NE TO E 20 TO 25 KT FROM 18N TO 12N BETWEEN
163W AND 155W. 
.24 HOUR FORECAST WINDS NE TO E 20 TO 25 KT FROM 18N TO 10N 
BETWEEN 175W AND 145W...AND ALSO FROM 12N TO 04N BETWEEN 160E
AND 170E.
.48 HOUR FORECAST WINDS NE TO E 20 TO 25 KT FROM 18N TO 08N
BETWEEN 170W AND 150W...AND FROM 12N TO 06N BETWEEN 160E AND
170E. 

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 TO 11 FT WITHIN AN AREA BOUND BY 30N160E 30N165W 22N175W 
20N160E 30N160E. 
.24 HOUR FORECAST SEAS 8 TO 13 FT WITHIN AN AREA BOUND BY 30N160E
30N155W 25N160W 20N179W 20N160E 30N160E. 
.48 HOUR FORECAST SEAS 8 TO 15 FT WITHIN AN AREA BOUND BY 30N160E
30N150W 25N160W 22N175W 22N160E 30N160E. ALSO SEAS 8 TO 9 FT 
FROM 15N TO 09N BETWEEN 170W AND 155W. 

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.RIDGE FROM 30N146W TO 24N153W TO 19N164W. 

.RIDGE FROM 30N171W TO 23N179W TO 16N170E. 

.ITCZ FROM 09N140W TO 08N151W TO 07N160W AND ALSO FROM 02N169W TO
03N178W TO 02N173E. 

.OTHERWISE ISOLATED MODERATE TSTMS FROM 15N TO 11N BETWEEN 
153W AND 143W...AND ALSO FROM 08N TO 04N BETWEEN 160E AND 168E.

$$

.FORECASTER BEDAL. HONOLULU HI.


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