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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220315101315.080ED1C0EEF@weather.cod.edu>
Date: Tue, 15 Mar 2022 10:13:15 +0000
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044 
FZPN40 PHFO 151012
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC TUE MAR 15 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC MAR 15 2022.
24 HOUR FORECAST VALID 0600 UTC MAR 16 2022.
48 HOUR FORECAST VALID 0600 UTC MAR 17 2022.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N174W TO 26N178E TO 25N170E MOVING E 20 KT. ISOLATED
MODERATE TSTMS WITHIN 60 NM OF FRONT N OF 28N.
.24 HOUR FORECAST FRONT FROM 30N165W TO 27N166W TO 22N175E. 
.48 HOUR FORECAST FRONT FROM 30N158W TO 28N169W TO 26N178W.

.DISSIPATING FRONT FROM 30N140W TO 29N146W TO 30N150W NEARLY 
STATIONARY. 
.24 HOUR FORECAST FRONT DISSIPATED.

.TROUGH FROM 30N164W TO 25N170W TO 23N180E TO 21N171E MOVING E 
SLOWLY. NE TO E WINDS 20 TO 25 KT WITHIN 150 NM N OF TROUGH BETWEEN 
177W AND 178E. ISOLATED MODERATE TSTMS WITHIN 60 NM OF TROUGH N OF 
28N.
.24 HOUR FORECAST TROUGH ABSORBED BY FRONT DESCRIBED IN FIRST 
SECTION ABOVE. WINDS DIMINISHED TO 20 KT OR LESS.

.TROUGH FROM 25N170E TO 23N162E TO 22N160E MOVING NW SLOWLY.
.24 HOUR FORECAST TROUGH FROM 26N162E TO 25N160E.
.48 HOUR FORECAST NEW LOW 27N167E 1007 MB. TROUGH FROM 30N167E TO
LOW TO 23N163E TO 21N160E. WINDS 20 TO 25 KT WITHIN 420 NM E 
QUADRANT OF LOW...AND ELSEWHERE N OF A LINE FROM 24N171E TO 
23N167E TO 23N164E.

.NE TO E WINDS 20 TO 25 KT FROM 05N TO 14N E OF 150W...AND FROM 05N 
TO 14N BETWEEN 160W AND 178W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 05N TO 19N E OF 
157W...AND FROM 03N TO 16N BETWEEN 157W AND 172W.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 05N TO 18N E OF 
162W...AND FROM 04N TO 5N BETWEEN 162W AND 170W. 

.RIDGE FROM 27N150W TO 23N165W TO 21N180E MOVING ENE SLOWLY...AND 
GRADUALLY ERODING FROM THE W.

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

.SEAS 8 TO 11 FT N OF A LINE FROM 24N140W TO 20N149W TO 20N156W TO 
23N160W TO 23N168W. SEAS 8 TO 10 FT FROM 05N TO 14N E OF 149W...AND
FROM 04N TO 17N BETWEEN 158W AND 174E.
.24 HOUR FORECAST SEAS 8 TO 10 FT N OF 04N E OF 152W...AND FROM 03N
TO 15N BETWEEN 164W AND 169E. SEAS 8 TO 9 FT FROM 05N TO 15N 
BETWEEN 152W AND 165W. 
.48 HOUR FORECAST SEAS 8 TO 10 FT FROM 03N TO 21N E OF 150W...AND
FROM 03N TO 16N BETWEEN 150W AND 164W. SEAS 8 TO 9 FT FROM 04N TO 
13N BETWEEN 164W AND 174E. 

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

.ITCZ FROM 03N140W TO 03N173W TO 04N178E TO 04N160E. ISOLATED 
MODERATE TSTMS WITHIN 180 NM N OF ITCZ BETWEEN 174W AND 171E...AND
WITHIN 150 NM S OF ITCZ BETWEEN 174E AND 165E.

$$

.FORECASTER HOUSTON. HONOLULU HI.


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