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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220126221410.0915C1C0EEE@weather.cod.edu>
Date: Wed, 26 Jan 2022 22:14:10 +0000
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699 
FZPN40 PHFO 262213 CCA
HSFNP 

HIGH SEAS FORECAST...CORRECTED HEADER 
NATIONAL WEATHER SERVICE HONOLULU HI 
ISSUED BY THE NWS OCEAN PREDICTION CENTER WASHINGTON DC
2300 UTC WED JAN 26 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 JAN 26 2022.
24 HOUR FORECAST VALID 1800 UTC JAN 27 2022.
48 HOUR FORECAST VALID 1800 UTC JAN 28 2022.

.WARNINGS. 

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N175W TO 26N180W TO 22N175E TO 21N170E TO 20N160E 
MOVING E 20 KT ALONG 30N. N OF 28N WITHIN 180 NM E OF THE FRONT 
S TO SW WINDS 20 TO 30 KT. ELSEWHERE WITHIN THE AREA BETWEEN THE 
FRONT N OF 24N AND A LINE FROM 30N167W TO 24N180W WINDS 20 TO 25 
KT. ISOLATED MODERATE TSTMS WITHIN 180 NM E OF FRONT N OF 25N.
.24 HOUR FORECAST FRONT FROM 30N164W TO 25N170W TO 21N180W TO 
19N170E. WITHIN 180 NM E OF THE FRONT N OF 28N S TO SW WINDS 20 
TO 25 KT.
.48 HOUR FORECAST FRONT FROM 30N154W TO 26N160W TO 23N172W. 
WINDS EASED TO 20 KT OR LESS.

.FRONT FROM 30N146W TO 26N154W MOVING E 10 KT.
.24 HOUR FORECAST FRONT WEAKENED TO TROUGH FROM 30N140W TO 
27N148W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.24 HOUR FORECAST NEW FRONT FROM 30N164E TO 28N160E. SW WINDS 20 
TO 25 KT N OF 29N BETWEEN 170E AND 163E.
.48 HOUR FORECAST NEW LOW 28N173E 1005 MB WITH A FRONT FROM LOW 
TO 23N168E TO 19N160E. WITHIN 300 NM SE SEMICIRCLE OF LOW WINDS 
20 TO 30 KT.

.RIDGE FROM 30N155W TO 28N161W TO 19N178W TO 18N173E MOVING NE 
20 KT AND GRADUALLY ERODING FROM THE SW.

.RIDGE FROM 26N160E TO 29N173E MOVING E SLOWLY.

.NE TO E WINDS 20 TO 25 KT FROM 12N TO 18N BETWEEN 153W AND 163W.
.24 HOUR FORECAST WINDS EASED TO 20 KT OR LESS.

.WINDS 20 KT OR LESS REST OF FORECAST AREA. 

.SEAS 12 TO 15 FT N OF 27N W OF 172E. ELSEWHERE SEAS 8 TO 12 FT 
N OF A LINE FROM 30N150W TO 23N162W TO 27N172W TO 21N160E. ALSO 
SEAS MAINLY 8 TO 10 FT WITHIN AREA BOUNDED BY A 02N173W TO 
10N171E TO 20N170W TO 16N152W TO 02N173W LINE.
.24 HOUR FORECAST SEAS 8 TO 13 FT N OF A LINE FROM 30N167W TO 
17N170E TO 23N160E. ELSEWHERE SEAS 8 TO 9 FT N OF A LINE FROM 
30N143W TO 22N155W AND WITHIN 420 NM S OF A LINE FROM 18N157W TO 
10N178E.
.48 HOUR FORECAST SEAS 8 TO 13 FT N OF A LINE 30N161W TO 15N180W 
TO 21N160E. ELSEWHERE SEAS 8 TO 9 FT FROM 05N TO 15N BETWEEN 
175W AND 173E.

.SEAS 8 FT OR LESS REST OF FORECAST AREA.

.ITCZ FROM 08N140W TO 09N150W TO 04N157W TO 03N165W TO 03N173E. 
ISOLATED MODERATE TSTMS WITHIN 60 NM EITHER SIDE OF THE ITCZ.

$$

.FORECASTER CLARK. OCEAN PREDICTION CENTER.


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