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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220304153459.DE3371C0EEF@weather.cod.edu>
Date: Fri, 4 Mar 2022 15:34:59 +0000
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315 
FZPN40 PHFO 041534
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC FRI MAR 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC MAR 04 2022.
24 HOUR FORECAST VALID 1200 UTC MAR 05 2022.
48 HOUR FORECAST VALID 1200 UTC MAR 06 2022.

.WARNINGS. 

...GALE WARNING... 

.FRONT FROM 30N148W TO 25N148W TO 20N152W THENCE TROUGH TO 
16N153W TO 12N158W. FRONT AND TROUGH NEARLY STATIONARY. WINDS 30 
TO 35 KT N OF 27N BETWEEN 146W AND 141W. WINDS 20 TO 30 KT 
ELSEWHERE N OF A LINE FROM 30N154W TO 23N147W TO 20N140W. NUMEROUS
MODERATE TO STRONG TSTMS IN AREA BOUNDED BY 30N150W 17N153W 
17N148W 21N143W 30N142W 30N150W. ISOLATED MODERATE TSTMS WITHIN 60
NM OF TROUGH S OF 17N. 
.24 HOUR FORECAST FRONT FROM 30N145W TO 22N141W TO 18N142W. SE 
WINDS 20 TO 30 KT E OF A LINE FROM 30N146W TO 19N140W. 
.48 HOUR FORECAST 30N142W TO 20N140W. SE WINDS 20 TO 30 KT NE OF 
A LINE FROM 30N143W TO 23N140W.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N170E TO 26N164E THENCE TROUGH TO 21N160E. FRONT 
MOVING E 30 KT ALONG 30N...TROUGH NEARLY STATIONARY. W WINDS 20 
TO 25 KT N OF 29N W OF 168E.
.24 HOUR FORECAST FRONT FROM 30N175W TO 23N175E TO 22N160E. WINDS
DIMINISHED TO 20 KT OR LESS. 
.48 HOUR FORECAST FRONT FROM 30N167W TO 24N175W TO 21N171E.

.TROUGH FROM 30N151W TO 27N152W TO 25N156W TO 30N162W MOVING SE
SLOWLY. 
.24 HOUR FORECAST TROUGH MERGED WITH FRONT MENTIONED IN GALE 
WARNING ABOVE.

.TROUGH FROM 30N172W TO 25N176W MOVING E 15 KT.
.24 HOUR FORECAST TROUGH DISSIPATED. 

.HIGH 26N171W 1019 MB MOVING SE 10 KT. RIDGES FROM 30N166W TO 
HIGH TO 23N180W TO 22N173E TO 23N164E...AND FROM HIGH TO 16N157W 
MOVING SE SLOWLY. SECOND RIDGE FROM HIGH TO 17N157W. 
.24 HOUR FORECAST HIGH 25N168W 1018 MB. 
.48 HOUR FORECAST HIGH 28N151W 1018 MB.

.RIDGE FROM 21N140W TO 16N150W MOVING SE SLOWLY. 

.48 HOUR FORECAST WINDS S WINDS 20 TO 25 KT N OF 25N W OF 170E.

.SEAS 12 TO 17 FT N OF 27N BETWEEN 158W AND 141W. SEAS 8 TO 12 FT
ELSEWHERE N OF 22N E OF 168W. SEAS 8 TO 9 FT N OF A LINE FROM 
29N160E TO 28N175W TO 30N168W...AND FROM 07N TO 13N BETWEEN 174E 
AND 172W.
.24 HOUR FORECAST SEAS 12 TO 15 FT N OF A LINE FROM 30N147W TO 
26N142W TO 28N140W. SEAS 8 TO 12 FT ELSEWHERE 30N170W TO 22N162W 
TO 19N140W. SEAS 8 TO 9 FT N OF 29N W OF 175E. 
.48 HOUR FORECAST SEAS 12 TO 13 FT N OF 29N E OF 143W. SEAS 8 TO 
12 FT ELSEWHERE NE OF A LINE FROM 30N152W TO 12N140W. SEAS 8 TO 11
FT N OF A LINE FROM 30N165E TO 25N170E TO 30N170W.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS 8 FT OR LESS.

.ITCZ FROM 06N140W TO 08N158W TO 06N163W TO 05N177E TO 00N161E. 
SCATTERED MODERATE FROM 00N TO 08N W OF 180W. ISOLATED MODERATE 
TSTMS WITHIN 120 NM OF ITCZ E OF 180W.

$$

.FORECASTER JELSEMA. HONOLULU HI.


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