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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220328151546.277371C0EEF@weather.cod.edu>
Date: Mon, 28 Mar 2022 15:15:46 +0000
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854 
FZPN40 PHFO 281515
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC MON MAR 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC MAR 28 2022.
24 HOUR FORECAST VALID 1200 UTC MAR 29 2022.
48 HOUR FORECAST VALID 1200 UTC MAR 30 2022.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N159W TO 25N165W TO 23N175W TO 21N179E TO 21N175E
MOVING E 25 KT N OF 23N...AND NEARLY STATIONARY ELSEWHERE. NE 
WINDS 20 TO 25 KT N OF FRONT E OF 170W. SEE ADDITIONAL WINDS BELOW.
.24 HOUR FORECAST FRONT FROM 30N154W TO 27N164W. NE WINDS 20 TO 
25 KT N OF FRONT. SEE ADDITIONAL WINDS BELOW.
.48 HOUR FORECAST FRONT DISSIPATED. WINDS DIMINISHED TO 20 KT 
OR LESS. SEE ADDITIONAL WINDS BELOW.

.TROUGH FROM 09N169E TO 02N161E MOVING W SLOWLY. ISOLATED MODERATE 
TSTMS WITHIN 180 NM OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 06N164E TO 04N160E. 
.48 HOUR FORECAST TROUGH MOVED W OF AREA.

.24 HOUR FORECAST NEW FRONT FROM 30N167E TO 27N160E MOVING E 30 KT.
N TO NE WINDS 20 TO 25 KT N OF FRONT.
.48 HOUR FORECAST FRONT FROM 30N171W TO 25N176E TO 25N170E. N TO NE
WINDS 20 TO 25 KT N OF FRONT.

.RIDGE FROM 30N141W TO 29N140W MOVING E 20 KT.

.RIDGE FROM 30N167E TO 28N160E MOVING E 25 KT.

.NE TO E WINDS 20 TO 30 KT N OF 08N AND S OF A LINE FROM 30N170W 
TO 22N160E.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 08N TO 23N W OF 
180E. 
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT W OF A LINE FROM
25N170E TO 20N180E TO 06N166E...AND FROM 08N TO 24N E OF 152W.

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

.SEAS 8 TO 13 FT N OF 23N E OF 145W. SEAS 8 TO 11 FT W OF A LINE 
FROM 30N162W TO 10N175E...EXCEPT SEAS 8 FT OR LESS N OF 26N W OF 
171E. SEAS 8 TO 9 FT FROM 09N TO 12N BETWEEN 169W AND 175W.
.24 HOUR FORECAST SEAS 8 TO 11 FT N OF A LINE FROM 30N150W TO
17N175W TO 10N177E TO 10N160E...EXCEPT SEAS 8 FT OR LESS N OF A 
LINE FROM 30N171W TO 25N180E TO 22N160E. SEAS 8 TO 9 FT FROM 19N
TO 25N E OF 145W.
.48 HOUR FORECAST SEAS 8 TO 10 FT FROM 08N TO 20N E OF 150W...AND 
W OF A LINE FROM 22N169E TO 20N179W TO 09N171E. SEAS 8 TO 9 FT N OF 
27N BETWEEN 147W AND 160W...AND N OF A LINE FROM 30N174W TO 25N173E
TO 25N160E.

.OTHERWISE...SEAS 8 FT OR LOWER REST OF AREA.

.ITCZ FROM 06N140W TO 05N151W TO 07N167W TO 07N174E. ISOLATED 
MODERATE TSTMS WITHIN 240 NM N AND 150 NM S OF ITCZ. 

$$

.FORECASTER AHUE. HONOLULU HI.


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