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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220228230114.CFD1D1C0EEE@weather.cod.edu>
Date: Mon, 28 Feb 2022 23:01:14 +0000
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735 
FZPN40 PHFO 282259
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC MON FEB 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC FEB 28 2022.
24 HOUR FORECAST VALID 1800 UTC MAR 01 2022.
48 HOUR FORECAST VALID 1800 UTC MAR 02 2022.

.WARNINGS. 

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N145W TO 25N157W TO 23N171W MOVING E 10 KT E OF 157W
AND NEARLY STATIONARY ELSEWHERE. 
.24 HOUR FORECAST FRONT FROM 30N141W TO 24N152W. NE WINDS 20 TO 
25 KT WITHIN 90 NM N OF FRONT. 
.48 HOUR FORECAST FRONT FROM 26N140W TO 25N153W. NE TO E WINDS 20
TO 25 KT N OF FRONT.

.FRONT FROM 30N178E TO 27N173E TO 24N167E MOVING E 20 KT. S TO SW
WINDS 20 TO 25 KT N OF 29N BETWEEN 180W AND 175E. 
.24 HOUR FORECAST FRONT FROM 30N173W TO 25N180W TO 23N166E. WINDS
DIMINISHED TO 20 KT OR LESS.
.48 HOUR FORECAST FRONT FROM 30N165W TO 26N170W TO 25N180W.

.TROUGH FROM 26N152W TO 22N155W NEARLY STATIONARY. 
.24 HOUR FORECAST TROUGH FROM 24N153W TO 21N156W. 
.48 HOUR FORECAST TROUGH FROM 26N158W TO 21N156W.

.TROUGH FROM 28N167E TO 22N160E MOVING E 25 KT. 
.24 HOUR FORECAST TROUGH DISSIPATED

.48 HOUR FORECAST FRONT FAR N OF AREA. SW WINDS 20 TO 25 KT N OF 
28N W OF 170E. 

.48 HOUR FORECAST NEW TROUGH FROM 25N168W TO 20N167W. E WINDS 20
TO 30 KT WITHIN 120 NM E OF TROUGH N OF 24N.

.RIDGE FROM 27N140W TO 22N150W MOVING E SLOWLY.

.RIDGE FROM 30N169W TO 26N180W TO 23N169E MOVING E 15 KT AND
ERODING FROM THE W.

.RIDGE FROM 27N160E TO 28N165E MOVING NE 25 KT. 

.24 HOUR FORECAST NEW HIGH 28N163E 1022 MB. 
.48 HOUR FORECAST HIGH 25N164E 1018 MB. 

.48 HOUR FORECAST NEW HIGH 25N163W 1020 MB. 

.NE TO E WINDS 20 TO 25 KT FROM 05N TO 15N BETWEEN 140W AND 160E.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 05N TO 12N 
BETWEEN 165W AND 170E. 
.48 HOUR FORECAST NE WINDS 20 TO 25 KT FROM 02N TO 12N BETWEEN 
175W AND 175E.

.OTHERWISE...WINDS 20 KT OR LESS REST OF FORECAST AREA.

.SEAS 8 TO 11 FT N OF A LINE FROM 28N140W TO 23N170W...AND FROM
04N TO 17N E OF 170E. SEAS 8 TO 9 FT FROM 17N TO 24N E OF
150W...AND FROM 05N TO 15N W OF 170E...AND N OF 28N W OF 165E.
.24 HOUR FORECAST SEAS 8 TO 12 FT N OF 21N E OF 155W...AND N OF
25N W OF 178E. SEAS 8 T0 10 FT FROM 03N TO 10N BETWEEN 170W AND
180W. SEAS 8 TO 9 FT FROM 08N TO 14N BETWEEN 180W AND 170E...AND
FROM 04N TO 11N E OF 170W. 
.48 HOUR FORECAST SEAS 8 TO 11 FT N OF LINE FROM 30N168W TO 
22N180W TO 22N173E...AND N OF 24N E OF 156W. SEAS 8 TO 10 FT FROM 
04N TO 11N BETWEEN 177W AND 172E. SEAS 8 TO 9 FT FROM 08N TO 11N E
OF 170W. 

.OTHERWISE...SEAS 8 FT OR LESS REST OF FORECAST AREA.

.ITCZ FROM 07N140W TO 05N150W TO 06N174E TO 04N160E. SCATTERED 
MODERATE TSTMS S OF 10N W OF 163E. ISOLATED MODERATE TSTMS 
ELSEWHERE WITHIN 120 NM N OF ITCZ W OF 156W.


$$

.FORECASTER ALMANZA. HONOLULU HI.


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