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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220209152932.DECF11C0EEE@weather.cod.edu>
Date: Wed, 9 Feb 2022 15:29:32 +0000
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251 
FZPN40 PHFO 091529
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC WED FEB 09 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FEB 09 2022.
24 HOUR FORECAST VALID 1200 UTC FEB 10 2022.
48 HOUR FORECAST VALID 1200 UTC FEB 11 2022.

.WARNINGS. 

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N163W TO 24N173W TO 20N176E TO 18N160E MOVING E 
SLOWLY E OF 176E...AND NEARLY STATIONARY ELSEWHERE. S TO SW WINDS 
20 TO 25 KT WITHIN 180 NM E OF FRONT N OF 29N. ISOLATED MODERATE 
TSTMS N OF A LINE FROM 29N159W TO 27N165W TO 25N172W. 
.24 HOUR FORECAST FRONT FROM 30N162W TO 22N172W TO 18N180E TO 
17N174E. WINDS DIMINISHED TO 20 KT OR LESS.
.48 HOUR FORECAST FRONT FROM 30N156W TO 25N162W TO 21N176W. 

.FRONT FROM 30N172W TO 25N179W TO 22N172E MOVING E 20 KT.
.24 HOUR FORECAST FRONT MERGED WITH FRONT DESCRIBED IN SECTION
IMMEDIATELY ABOVE.

.TROUGH FROM 22N142W TO 14N145W MOVING WNW SLOWLY. ISOLATED 
MODERATE TSTMS E OF TROUGH N OF 16N...AND FROM 11N TO 16N BETWEEN 
142W AND 149W.
.24 HOUR FORECAST TROUGH DISSIPATED.

.12 HOUR FORECAST NEW FRONT FROM 30N167E TO 27N160E. W TO NW WINDS
20 TO 30 KT N OF 28N BETWEEN 168E AND 161E.
.24 HOUR FORECAST FRONT FROM 30N172E TO 28N169E TO 27N160E. SW TO
NW WINDS 20 TO 25 KT WITHIN 120 NM OF FRONT N OF 28N.
.48 HOUR FORECAST FRONT FROM 30N178W TO 28N179E TO 27N173E. WINDS
DIMINISHED TO 20 KT OR LESS.

.48 HOUR FORECAST NEW FRONT W OF AREA. S TO SW WINDS 20 TO 30 KT
N OF A LINE FROM 28N170E TO 25N166E TO 23N160E.

.48 HOUR FORECAST NEW TROUGH FROM 30N143W TO 26N144W.

.RIDGE FROM 30N149W TO 22N164W TO 19N177W MOVING ESE SLOWLY...
AND GRADUALLY ERODING FROM THE SW.

.RIDGE FROM 24N160E TO 22N169E MOVING ENE 20 KT.

.24 HOUR FORECAST NEW HIGH 25N165E 1018 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

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

.SEAS 8 TO 12 FT N OF A LINE FROM 27N140W TO 23N146W TO 22N152W TO 
22N167W TO 15N168E TO 25N160E. SEAS 8 TO 9 FT FROM 05N TO 11N 
BETWEEN 171W AND 178E.
.24 HOUR FORECAST SEAS 8 TO 10 FT N OF A LINE FROM 30N149W TO 
24N160W TO 21N170W TO 20N180E TO 27N164E. SEAS 8 TO 9 FT FROM 07N 
TO 14N BETWEEN 168W AND 178W. 
.48 HOUR FORECAST SEAS 8 TO 11 FT N OF A LINE FROM 27N166E TO 
25N160E. SEAS 8 TO 10 FT N OF 26N BETWEEN 156W AND 173W. SEAS 8 TO 
9 FT FROM 04N TO 11N BETWEEN 171W AND 177E.

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

.ITCZ FROM 08N140W TO 07N162W TO 04N172E. ISOLATED MODERATE TSTMS 
WITHIN 120 NM OF ITCZ E OF 145W...AND W OF 179W.

$$

.FORECASTER HOUSTON. HONOLULU HI.


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