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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220102034107.055731C0EEE@weather.cod.edu>
Date: Sun, 2 Jan 2022 03:41:07 +0000
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156 
FZPN40 PHFO 020340
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC SUN JAN 02 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC JAN 02 2022.
24 HOUR FORECAST VALID 0000 UTC JAN 03 2022.
48 HOUR FORECAST VALID 0000 UTC JAN 04 2022.

.WARNINGS.

...GALE WARNING...
.FRONT FROM 30N173E TO 25N167E TO 19N160E MOVING E 20 KT. WINDS 
20 TO 30 KT N OF 25N W OF 173E.
.06 HOUR FORECAST FRONT FROM 30N175E TO 23N170E TO 18N160E. WINDS 
30 TO 40 KT N OF 28N W OF 168E. WINDS 20 TO 30 KT ELSEWHERE NW OF 
A LINE FROM 30N177E TO 23N172E TO 21N160E. 
.24 HOUR FORECAST FRONT FROM 30N177W TO 22N174E TO 16N160E. WINDS 
20 TO 30 KT N OF A LINE FROM 30N172W TO 25N175W TO 22N168E TO
30N162E...AND BETWEEN FRONT AND 20N W OF 165E. 
.48 HOUR FORECAST FRONT FROM 30N168W TO 22N176W TO 14N160E. WINDS 
20 TO 30 KT N OF A LINE FROM 30N165W TO 20N179E TO 30N175E...AND
BETWEEN FRONT AND 20N W OF 165E.

.SYNOPSIS AND FORECAST. 

.FRONT FROM 30N166W TO 21N168W TO 17N171W TO 15N174W MOVING E 15 KT. 
WINDS 20 TO 30 KT N OF 25N BETWEEN 172W AND 179E. SCATTERED MODERATE
TSTMS WITHIN 270 NM OF FRONT.
.24 HOUR FORECAST FRONT MERGED WITH TROUGH DESCRIBED IMMEDIATELY
BELOW. SEE WINDS WITH TROUGH DESCRIBED IMMEDIATELY BELOW. 

.TROUGH FROM 30N164W TO 25N161W TO 21N161W TO 17N163W TO 15N166W 
MOVING E SLOWLY. WINDS 20 TO 30 KT N OF 23N BETWEEN TROUGH AND 
A LINE FROM 30N161W TO 23N156W. SCATTERED MODERATE TSTMS WITHIN 
150 NM OF TROUGH. 
.24 HOUR FORECAST TROUGH FROM 30N162W TO 22N165W TO 15N168W. WINDS 
20 TO 30 KT N OF A LINE FROM 20N150W TO 30N160W. WINDS 20 TO 25 KT
FROM 18N TO 23N E OF 150W.
.48 HOUR FORECAST TROUGH FROM 30N159W TO 25N162W TO 20N166W. WINDS 
20 TO 25 KT N OF 20N BETWEEN 150W AND 155W...AND FROM 17N TO 23N E 
OF 150W.

.TROUGH FROM 30N161W TO 23N156W TO 20N152W MOVING NW 10 KT. WINDS
20 TO 30 KT WITHIN 300 NM E OF TROUGH...AND FROM 17N TO 22N E OF
152W. ISOLATED MODERATE TSTMS WITHIN 120 NM OF TROUGH.
.24 HOUR FORECAST TROUGH MERGED WITH TROUGH DESCRIBED IMMEDIATELY
ABOVE. SEE WINDS WITH TROUGH DESCRIBED IMMEDIATELY ABOVE. 

.48 HOUR FORECAST NEW FRONT FROM 30N164E TO 29N160E. WINDS 20 TO
25 KT N OF FRONT.

.HIGH 21N172E 1012 MB MOVING SE 10 KT. RIDGE FROM 19N165E TO HIGH
TO 25N176E TO 30N178E MOVING E 10 KT.
.24 HOUR FORECAST HIGH 19N176E 1011 MB. 
.48 HOUR FORECAST HIGH DISSIPATED.

.HIGH 12N160W 1011 MB NEARLY STATIONARY. RIDGE FROM 16N153W TO HIGH
TO 07N167W NEARLY STATIONARY.
.24 HOUR FORECAST HIGH DISSIPATED.

.SEAS 12 TO 17 FT NW OF A LINE FROM 30N168E TO 22N160E. SEAS 8 TO 
12 FT ELSEWHERE NW OF A LINE FROM 30N173E TO 20N160E. SEAS 12 TO 
16 FT N OF A LINE FROM 25N157W TO 27N179E. SEAS 8 TO 12 FT ELSEWHERE
N OF 20N BETWEEN 153W AND 175E. 
.24 HOUR FORECAST SEAS 18 TO 22 FT N OF 27N BETWEEN 175E AND 164E.
SEAS 12 TO 18 FT ELSEWHERE W OF A LINE FROM 30N179E TO 22N171E. SEAS
8 TO 12 FT ELSEWHERE N OF A LINE FROM 25N180E TO 12N160E. SEAS 8 TO 
11 FT N OF 22N BETWEEN 152W AND 180E.
.48 HOUR FORECAST SEAS 18 TO 20 FT N OF 27N BETWEEN 167W AND 175E.
SEAS 12 TO 18 FT ELSEWHERE N OF A LINE FROM 30N125W TO 20N176E TO
20N166E. SEAS 8 TO 12 FT ELSEWHERE N OF A LINE FROM 30N166W TO 
15N174E TO 14N160E.

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

.ITCZ FROM 08N140W TO 09N145W TO 11N150W. ISOLATED MODERATE TSTMS
FROM WITHIN 180 NM N OF TROUGH.

$$

.FORECASTER AHUE. HONOLULU HI.


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