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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220204150633.7E9551C0EEE@weather.cod.edu>
Date: Fri, 4 Feb 2022 15:06:33 +0000
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624 
FZPN40 PHFO 041505
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC FRI FEB 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC FEB 04 2022.
24 HOUR FORECAST VALID 1200 UTC FEB 05 2022.
48 HOUR FORECAST VALID 1200 UTC FEB 06 2022.

.WARNINGS. 

...GALE WARNING...
.FRONT NEAR 30N160E MOVING E 25 KT. WINDS 20 TO 25 KT N OF 28N W 
OF 176E.
.12 HOUR FORECAST FRONT N OF AREA ALONG 30N175E TO 30N160E. SW
WINDS 30 TO 35 KT N OF 28N W OF 164E. WINDS 20 TO 30 KT ELSEWHERE
N OF A LINE FROM 30N177W TO 28N179E TO 25N160E.
.24 HOUR FORECAST FRONT FROM 30N164E TO 27N160E. SW TO W WINDS 
30 TO 40 KT N OF 28N BETWEEN FRONT AND 174E. WINDS 20 TO 30 KT 
ELSEWHERE N OF A LINE FROM 28N180E TO 24N160E.
.48 HOUR FORECAST FRONT FROM 30N174E TO 23N160E. WINDS 20 TO 30 KT 
W OF A LINE FROM 30N176W TO 24N179E. 

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N165W TO 24N171W TO 21N175E TO 17N172E TO 14N160E
MOVING E 30 KT ALONG 30N...AND NEARLY STATIONARY ELSEWHERE. WINDS 
20 TO 30 KT N OF A LINE FROM 30N158W TO 26N162W TO 26N175W TO 
30N178W. SCATTERED MODERATE TSTMS BETWEEN FRONT AND 161W N OF 25N.
ISOLATED MODERATE TSTMS BETWEEN FRONT AND 10N W OF 170E.
.24 HOUR FORECAST FRONT FROM 30N155W TO 24N160W TO 20N170W. WINDS
20 TO 25 KT N OF 28N BETWEEN FRONT AND 148W.
.48 HOUR FORECAST FRONT WEAKENED TO TROUGH FROM 30N157W TO 23N159W. 
WINDS EASED TO 20 KT OR LESS.

.TROUGH FROM 08N177E TO 03N169E MOVING W SLOWLY. ISOLATED MODERATE
TSTMS WITHIN 120 NM OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

.HIGH 23N160E 1018 MB MOVING NE 40 KT. RIDGE FROM HIGH TO 23N179W
MOVING NE 30 KT.
.24 HOUR FORECAST HIGH 26N169W 1020 MB. 
.48 HOUR FORECAST HIGH MOVED N OF AREA.

.RIDGE FROM 30N145W TO 17N167W MOVING NE 20 KT.

.NE TO E WINDS 20 TO 25 KT FROM 06N TO 16N W OF 180E...FROM 04N TO 
11N BETWEEN 180E AND 160W...N OF 11N BETWEEN 152W AND 145W...AND
FROM 11N TO 25N W OF 145W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 05N TO 15N W OF 
180E...FROM 02N TO 15B BETWEEN 180E AND 160W...AND FROM 13N TO 27N 
E OF 145W. 
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 03N TO 15N W OF 
164W...AD FROM 15N TO 27N E OF 150W. 

.WINDS 20 KT OR LESS REST OF FORECAST AREA.

.SEAS 12 TO 15 FT N OF A LINE FROM 30N161W TO 23N180E TO 28N160E. 
SEAS MAINLY 8 TO 12 FT ELSEWHERE N OF A LINE FROM 11N140W TO 11N145W
TO 25N152W TO 15N169W...AND N OF 08N W OF 169W. 
.24 HOUR FORECAST SEAS 12 TO 16 FT N OF 28N W OF 172W. SEAS MAINLY 
8 TO 12 FT ELSEWHERE N OF A LINE FROM 10N140W TO 22N166W...AND N OF 
04N W OF 162W.
.48 HOUR FORECAST SEAS 12 TO 17 FT W OF A LINE FROM 30N178E TO
25N160E. SEAS MAINLY 8 TO 12 FT ELSEWHERE N OF LINE FROM 12N140W
TO 02N175W TO 02N170E...AND N OF 25N W OF 170E.

.SEAS 8 FT OR LESS REST OF FORECAST AREA.

.ITCZ FROM 08N140W TO 03N152W TO 02N169W. ISOLATED MODERATE TSTMS 
WITHIN 60 NM OF ITCZ.

.ISOLATED MODERATE TSTMS FROM 12N TO 16N E OF 148W.

$$

.FORECASTER AHUE. HONOLULU HI.


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