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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220210151530.0404B1C0EEE@weather.cod.edu>
Date: Thu, 10 Feb 2022 15:15:29 +0000
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343 
FZPN40 PHFO 101515
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC THU FEB 10 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 10 2022.
24 HOUR FORECAST VALID 1200 UTC FEB 11 2022.
48 HOUR FORECAST VALID 1200 UTC FEB 12 2022.

.WARNINGS. 

...GALE WARNING...
.24 HOUR FORECAST NEW FRONT FROM 30N164E TO 26N160E. S TO SW WINDS 
20 TO 30 KT NW OF A LINE FROM 30N171E TO 25N164E TO 22N160E. 
.48 HOUR FORECAST FRONT FROM 30N176E TO 25N172E TO 18N160E. WINDS
30 TO 45 KT N OF A LINE FROM 30N177W TO 25N176E TO 26N164E TO
30N160E. WINDS 20 TO 30 KT N OF A LINE FROM 30N170W TO 20N177E TO
20N160E.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N162W TO 25N167W TO 21N175W MOVING E 20 KT. S TO
SW WINDS 20 TO 30 KT N OF 29N BETWEEN FRONT AND 158W. ISOLATED 
MODERATE TSTMS WITHIN 180 NM OF FRONT N OF 25N.
.24 HOUR FORECAST FRONT FROM 30N156W TO 25N162W TO 21N172W. 
WINDS DIMINISHED TO 20 KT OR LESS.
.48 HOUR FORECAST FRONT FROM 30N150W TO 25N155W TO 25N162W. 

.FRONT FROM 30N174E TO 26N170E TO 25N165E TO 26N162E MOVING E 
20 KT. W TO SW WINDS 20 TO 25 KT N OF 28N BETWEEN FRONT AND 170E.
.24 HOUR FORECAST FRONT FROM 30N177W TO 27N180E TO 26N176E. WINDS 
DIMINISHED TO 20 KT OR LESS. 
.48 HOUR FORECAST FRONT MOVED N OF AREA. 

.FRONT FROM 27N160E TO 26N162E MOVING N 20 KT.
.24 HOUR FORECAST FRONT MOVED N OF AREA. 

.24 HOUR FORECAST NEW TROUGH FROM 30N145W TO 24N142W.
.48 HOUR FORECAST TROUGH FROM 30N145W TO 26N146W.

.HIGH 23N164E 1018 MB MOVING ENE 20 KT. RIDGE FROM 29N175W TO 
24N175E TO HIGH TO 23N160E MOVING E 20 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.RIDGE FROM 30N151W TO 22N158W TO 19N165W MOVING NE 10 KT.

.NE TO E WINDS 20 TO 25 KT FROM 05N TO 12N W OF 170E.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 05N TO 10N 
W OF 175E.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 09N TO 15N
BETWEEN 164W AND 175W.

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

.SEAS 8 TO 11 FT N OF 24N BETWEEN 158W AND 168E.
.24 HOUR FORECAST SEAS 8 TO 10 FT N OF 26N BETWEEN 160W AND 
175W...AND NW OF A LINE FROM 30N164E TO 24N160E.
.48 HOUR FORECAST SEAS 18 TO 25 FT NW OF A LINE FROM 30N175E TO 
25N166E TO 25N160E. SEAS 12 TO 18 FT ELSEWHERE NW OF A LINE FROM 
30N179E TO 25N173E TO 21N160E. SEAS 8 TO 12 FT ELSEWHERE NW OF A 
LINE FROM 30N178W TO 22N173E TO 19N160E. 

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

.ITCZ FROM 10N143W TO 06N172W TO 04N173E TO 03N161E. ISOLATED 
MODERATE TSTMS WITHIN 150 NM OF ITCZ.

$$

.FORECASTER AHUE. HONOLULU HI.


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