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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
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Date: Mon, 28 Mar 2022 10:33:17 +0000
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937 
FZPN40 PHFO 281033
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC MAR 28 2022.
24 HOUR FORECAST VALID 0600 UTC MAR 29 2022.
48 HOUR FORECAST VALID 0600 UTC MAR 30 2022.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N162W TO 25N170W TO 22N180E TO 21N172E TO 21N165E
MOVING E 20 KT N OF 22N...AND NEARLY STATIONARY ELSEWHERE. NE WINDS 
20 TO 25 KT N OF FRONT E OF 170W. SEE ADDITIONAL WINDS BELOW.
ISOLATED MODERATE TSTMS 150 NM E OF FRONT N OF 22N.
.24 HOUR FORECAST FRONT FROM 30N155W TO 25N166W TO 22N175E. NE 
WINDS 20 TO 25 KT WITHIN 150 NM OF A LINE FROM 30N160W TO 20N176W.
SEE ADDITIONAL WINDS BELOW.
.48 HOUR FORECAST FRONT DISSIPATED. WINDS DIMINISHED TO 20 KT 
OR LESS. 

.FRONT FROM 22N140W TO 23N149W MOVING S SLOWLY.
.24 HOUR FORECAST FRONT DISSIPATED. 

.TROUGH FROM 10N168E TO 02N161E MOVING W SLOWLY. ISOLATED MODERATE 
TSTMS WITHIN 150 NM OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 06N167E TO 03N161E. 
.48 HOUR FORECAST TROUGH MOVED W OF AREA.

.24 HOUR FORECAST NEW FRONT FROM 30N162E TO 29N160E MOVING E 15 KT.
.48 HOUR FORECAST FRONT FROM 30N174W TO 26N173E TO 25N160E. N TO NE
WINDS 20 TO 25 KT N OF FRONT.

.RIDGE FROM 30N145W TO 26N140W MOVING E 20 KT.

.RIDGE FROM 30N164E TO 29N160E MOVING E 20 KT.

.NE TO E WINDS 20 TO 30 KT N OF 08N AND S OF A LINE FROM 30N170W 
TO 23N160E.
.24 HOUR FORECAST NE TO E WINDS 20 TO 30 KT FROM 08N TO 23N W OF 
180E. 
.48 HOUR FORECAST NE TO E WINDS 20 TO 30 KT FROM 07N TO 24N W OF 
180E...AND FROM 08N TO 24N E OF 152W. 

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

.SEAS 8 TO 13 FT N OF 26N E OF 145W. SEAS 8 TO 11 FT W OF A LINE 
FROM 30N165W TO 10N175E...EXCEPT SEAS 8 FT OR LESS N OF 27N W OF 
169E. 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 30N155W TO
19N172W TO 10N177E TO 10N160E...EXCEPT SEAS 8 FT OR LESS N OF A 
LINE FROM 30N175W TO 22N160E. SEAS 8 TO 10 FT N OF 20N E OF 145W.
.48 HOUR FORECAST SEAS 8 TO 10 FT FROM 10N TO 20N E OF 148W...FROM
10N TO 22N W OF 172E...N OF 27N BETWEEN 149W AND 164W...AND N OF 28N
BETWEEN 175E AND 164E.

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

.ITCZ FROM 06N140W TO 05N154W TO 06N169W TO 06N175E. ISOLATED 
MODERATE TSTMS WITHIN 210 NM N AND 150 NM S OF ITCZ. 

$$

.FORECASTER AHUE. HONOLULU HI.


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