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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220214032924.6AC0F1C0EEE@weather.cod.edu>
Date: Mon, 14 Feb 2022 03:29:24 +0000
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621 
FZPN40 PHFO 140329
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC MON FEB 14 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC FEB 14 2022.
24 HOUR FORECAST VALID 0000 UTC FEB 15 2022.
48 HOUR FORECAST VALID 0000 UTC FEB 16 2022.

.WARNINGS. 

...GALE WARNING... 
.FRONT FROM 30N172W TO 19N178E TO 16N173E TO 13N160E MOVING E 10 
KT. NW TO W WINDS 30 TO 35 KT N OF 28N BETWEEN 176E AND 167E. NW
TO W WINDS 20 TO 30 KT ELSEWHERE N OF 21N BETWEEN FRONT AND 161E. S
TO SW WINDS 25 TO 30 KT WITHIN 350 NM E OF FRONT N OF 23N. NE 
WINDS 20 TO 25 KT WITHIN 180 NM N OF FRONT W OF 164E. ISOLATED 
MODERATE TSTMS WITHIN 180 NM E OF FRONT N OF 23N...AND N OF 27N 
BETWEEN 180E AND 170E. 
.24 HOUR FORECAST FRONT FROM 30N167W TO 22N170W TO 14N173E. NW TO
W WINDS 30 TO 35 KT N OF 28N BETWEEN 167W AND 171W. WINDS 20 TO 
30 KT ELSEWHERE N OF A LINE FROM 30N160W TO 25N170W TO 28N180E. 
.48 HOUR FORECAST FRONT FROM 30N158W TO 26N162W TO 24N167W. WINDS
EASED TO 20 KT OR LESS.

...GALE WARNING...
.24 HOUR FORECAST NEW FRONT JUST W OF AREA. S TO SW WINDS 30 TO 
35 KT N OF 28N W OF 165E. S TO SW WINDS 20 TO 30 KT ELSEWHERE N 
OF A LINE FROM 30N170E TO 23N160E.
.48 HOUR FORECAST FRONT FROM 30N174E TO 24N166E TO 23N160E. S TO 
SW WINDS 20 TO 35 KT WITHIN 180 NM E OF FRONT N OF 28N. S TO SW 
WINDS 20 TO 30 KT ELSEWHERE WITHIN 450 NM E OF FRONT N OF 26N. NW 
WINDS 20 TO 25 KT W OF FRONT.

.SYNOPSIS AND FORECAST.

.LOW 27N155W 1012 MB MOVING SW 15 KT. TROUGH FROM 29N155W TO LOW
TO 24N151W. WINDS 20 TO 30 KT WITHIN 210 NM N SEMICIRCLE OF LOW. 
ISOLATED MODERATE TSTMS WITHIN 180 NM OF TROUGH S OF 25N.
.24 HOUR FORECAST LOW DISSIPATED. TROUGH FROM 24N160W TO 18N160W.
WINDS DIMINISHED TO 20 KT OR LESS. 
.48 HOUR FORECAST TROUGH FROM 25N161W TO 22N160W. 

.TROUGH FROM 28N145W TO 12N146W MOVING SW SLOWLY. SCATTERED 
MODERATE TSTMS WITHIN 240 NM E OF TROUGH N OF 17N. 
.24 HOUR FORECAST TROUGH FROM 20N148W TO 09N151W.
.48 HOUR FORECAST TROUGH FROM 23N152W TO 15N149W. 

.TROUGH FROM 09N167E TO 03N168E MOVING SW 15 KT. ISOLATED MODERATE 
TSTMS WITHIN 180 NM OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

.NE WINDS 20 TO 25 KT FROM 07N TO 11N BETWEEN 170W AND 175E.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 05N TO 13N 
BETWEEN 176W AND 168E. E TO SE WINDS 20 TO 25 KT E OF LINE FROM 
30N156W TO 19N144W.
.48 HOUR FORECAST NE TO E WINDS 20 TO 30 KT FROM 13N TO 21N E OF 
146E...AND FROM 04N TO 13N BETWEEN 165W AND 165E. E TO SE WINDS 20
TO 25 KT N OF 23N BETWEEN 141W AND 150W.

.RIDGE FROM 30N160W TO 24N164W TO 16N180E MOVING E SLOWLY...AND 
GRADUALLY ERODING FROM THE SW. 

.RIDGE FROM 25N160E TO 21N165E TO 19N175E MOVING NE 25 KT.

.24 HOUR FORECAST NEW HIGH 27N173E 1019 MB. 
.48 HOUR FORECAST HIGH 30N168W 1022 MB. 

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

.SEAS 18 TO 23 FT N OF A LINE FROM 30N173W TO 26N180E TO 26N168E
TO 29N164E. SEAS 12 TO 18 FT ELSEWHERE N OF A LINE FROM 30N168W 
TO 21N176W TO 19N177E TO 19N160E. SEAS 8 TO 11 FT N OF 26N 
BETWEEN 151W AND 158W. ELSEWHERE SEAS 8 TO 12 FT W OF LINE FROM 
30N167W TO 15N177E TO 12N167E.
.24 HOUR FORECAST SEAS 18 TO 20 FT N OF 28N BETWEEN 169W AND 
173E. SEAS 12 TO 18 FT ELSEWHERE N OF A LINE FROM 30N161W TO 
17N179W TO 17N168E TO 26N160E. SEAS 8 TO 12 FT ELSEWHERE W OF A 
LINE FROM 30N156W TO 06N178W. SEAS 8 TO 9 FT FROM 26N TO 29N 
BETWEEN 144W AND 150W.
.48 HOUR FORECAST SEAS 12 TO 14 FT N OF A LINE FROM 28N160W TO 
16N178W... AND N OF 28N BETWEEN 176E AND 160E. SEAS 8 TO 12 FT 
ELSEWHERE N OF A LINE FROM 30N144W TO 22N150W TO 03N170W TO 
03N160E. 

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

.ITCZ FROM 08N140W TO 07N160W TO 07N171E. ISOLATED MODERATE TSTMS
WITHIN 150 NM N OF ITCZ E OF 150W...AND WITHIN 90 NM OF ITCZ 
BETWEEN 173W AND 175E. 


$$

.HONOLULU FORECAST OFFICE.


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