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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220204105538.04E121C0EEE@weather.cod.edu>
Date: Fri, 4 Feb 2022 10:55:37 +0000
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900 
FZPN40 PHFO 041055
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC FEB 04 2022.
24 HOUR FORECAST VALID 0600 UTC FEB 05 2022.
48 HOUR FORECAST VALID 0600 UTC FEB 06 2022.

.WARNINGS. 

...GALE WARNING...
.FRONT NW OF AREA NEAR 30N160E MOVING E 25 KT. WINDS 20 TO 25 KT 
N OF 28N W OF 169E.
.24 HOUR FORECAST FRONT N OF AREA ALONG 30N178E TO 30N160E. SW TO 
W WINDS 30 TO 40 KT N OF 28N W OF 164E. WINDS 20 TO 25 KT ELSEWHERE
NW OF A LINE FROM 30N175E TO 26N169E TO 24N160E.
.48 HOUR FORECAST FRONT FROM 30N172E TO 24N160E. WINDS 20 TO 30 KT 
W OF A LINE FROM 30N176W TO 24N179E. 

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N171W TO 25N175W TO 23N177E MOVING E 30 KT. WINDS 
20 TO 30 KT NW OF FRONT. ISOLATED MODERATE TSTMS WITHIN 60 NM OF
FRONT ALONG 30N.
.24 HOUR FORECAST FRONT FROM 30N157W TO 24N162W TO 20N171W. WINDS
20 TO 25 KT N OF 28N BETWEEN FRONT AND 148W.
.48 HOUR FORECAST FRONT WEAKENED TO TROUGH FROM 30N153W TO 23N159W. 
WINDS EASED TO 20 KT OR LESS.

.FRONT FROM 30N165W TO 23N172W TO 17N178E 15N167E TO 14N160E NEARLY 
STATIONARY. WINDS 20 TO 30 KT N OF 27N BETWEEN FRONT AND 160W. 
ISOLATED MODERATE TSTMS WITHIN 150 NM E OF FRONT N OF 27N...AND
BETWEEN FRONT AND 10N W OF 169E. 
.24 HOUR FORECAST FRONT ABSORBED BY FRONT DESCRIBED IMMEDIATELY
ABOVE. WINDS DESCRIBED WITH FRONT IMMEDIATELY ABOVE.

.TROUGH FROM 07N178E TO 03N170E MOVING W SLOWLY. ISOLATED MODERATE
TSTMS WITHIN 120 NM OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

.HIGH W OF AREA 24N158E 1014 MB MOVING E 20 KT. RIDGE FROM HIGH TO
23N164E TO 22N175E MOVING NE 20 KT.
.24 HOUR FORECAST HIGH 24N176E 1018 MB. 
.48 HOUR FORECAST HIGH 25N171W 1019 MB.

.RIDGE FROM 30N143W TO 17N172W MOVING E 20 KT.

.NE TO E WINDS 20 TO 25 KT FROM 06N TO 16N W OF 169E...AND FROM 
11N TO 25N E OF 150W. 
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 05N TO 15N W OF 
169W...AND FROM 13N TO 27N E OF 145W. 
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 05N TO 13N W OF 
170W...AD FROM 11N TO 27N E OF 150W. 

.WINDS 20 KT OR LESS REST OF FORECAST AREA.

.SEAS 12 TO 17 FT N OF A LINE FROM 30N161W TO 23N180E TO 28N160E. 
SEAS 8 TO 12 FT ELSEWHERE N OF A LINE FROM 30N152W TO 08N173E TO 
05N160E. SEAS MAINLY 8 TO 11 FT E OF A LINE FROM 30N152W TO 28N152W
TO 12N144W.
.24 HOUR FORECAST SEAS 12 TO 14 FT W OF A LINE FROM 30N161W TO
27N164W. SEAS MAINLY 8 TO 12 FT ELSEWHERE N OF A LINE FROM 10N140W
TO 21N162W TO 04N169W TO 06N160E.
.48 HOUR FORECAST SEAS 12 TO 14 FT W OF A LINE FROM 30N178E TO
27N175E. SEAS MAINLY 8 TO 12 FT ELSEWHERE N OF LINE FROM 12N140W
TO 02N175W TO 02N177E TO 06N160E.

.SEAS 8 FT OR LESS REST OF FORECAST AREA.

.ITCZ FROM 06N140W TO 02N151W TO 02N169W. ISOLATED MODERATE TSTMS 
WITHIN 60 NM OF ITCZ.

$$

.FORECASTER AHUE. HONOLULU HI.


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