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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220103100919.432D71C0EEE@weather.cod.edu>
Date: Mon, 3 Jan 2022 10:09:19 +0000
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399 
FZPN40 PHFO 031009
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC MON JAN 03 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 JAN 03 2022.
24 HOUR FORECAST VALID 0600 UTC JAN 04 2022.
48 HOUR FORECAST VALID 0600 UTC JAN 05 2022.

.WARNINGS.

...GALE WARNING...
.COLD FRONT FROM 30N174W TO 22N176E TO 16N160E. NW WINDS 25 TO 35 
KT N OF 29N BETWEEN 178E AND 176E. NW TO W WINDS 20 TO 30 KT 
ELSEWHERE WITHIN 840 NM W OF COLD FRONT N OF 27N. NW WINDS 20 TO 25 
KT WITHIN 270 NM W OF COLD FRONT FROM 23N TO 27N...SW WINDS 20 TO 
25 KT WITHIN 150 NM E OF COLD FRONT N OF 26N...AND NE WINDS 20 TO 
25 KT WITHIN 210 NM N OF COLD FRONT W OF 164E. ISOLATED MODERATE 
TSTMS WITHIN 150 NM SE OF COLD FRONT N OF 25N
.24 HOUR FORECAST FRONT FROM 30N169W TO 24N172W TO 15N168E. NW TO
W WINDS 20 TO 30 KT N OF 25N BETWEEN FRONT AND 178E. SW WINDS 20 TO 
25 KT WITHIN 150 NM E OF FRONT N OF 27N.
.48 HOUR FORECAST FRONT FROM 30N158W TO 22N166W TO 15N166E. W WINDS
20 TO 30 KT N OF 28N BETWEEN 163W AND 176W. 

...GALE WARNING...
.48 HOUR FORECAST NEW COLD FRONT FROM 30N168E TO 24N160E. W TO SW
WINDS 25 TO 35 KT N OF 28N W OF 175E. W TO SW WINDS 20 TO 30 KT 
ELSEWHERE N OF A LINE FROM 27N178E TO 25N170E TO 25N160E. 

.SYNOPSIS AND FORECAST. 

.TROUGH FROM 30N161W TO 19N168W MOVING E SLOWLY. SE TO S WINDS 20
TO 25 KT N OF A LINE FROM 21N150W TO 23N155W TO 27N159W. ISOLATED 
MODERATE TSTMS WITHIN 150 NM E OF TROUGH N OF 22N.
.24 HOUR FORECAST TROUGH FROM 30N155W TO 25N157W. S WINDS 20 TO 25
KT WITHIN 240 NM E OF TROUGH N OF 26N.
.48 HOUR FORECAST WEAKENING TROUGH FROM 30N152W TO 26N153W. S WINDS 
20 TO 25 KT WITHIN 210 NM E OF TROUGH N OF 28N.

.E TO SE WINDS 20 TO 25 KT FROM 15N TO 24N E OF 150W.
.24 HOUR FORECAST E TO SE WINDS 20 TO 25 KT FROM 18N TO 22N E OF 
150W.
.48 HOUR FORECAST E TO SE WINDS 20 TO 25 KT FROM 18N TO 27N E OF 
148W.

.24 HOUR FORECAST NEW FRONT FROM 30N169E TO 29N160E.
.48 HOUR FORECAST FRONT MOVED N OF AREA.

.HIGH 17N177E 1011 MB MOVING E SLOWLY. RIDGE FROM 15N169E TO HIGH
TO 17N171W MOVING E SLOWLY. 
.24 HOUR FORECAST HIGH DISSIPATED.

.RIDGE FROM 28N140W TO 23N147W TO 14N158W MOVING ENE SLOWLY. 

.RIDGE FROM 20N160E TO 18N162E MOVING E 30 KT,

.24 HOUR FORECAST NEW HIGH 26N169E 1016 MB.
.48 HOUR FORECAST HIGH 26N179W 1016 MB.

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

.SEAS 12 TO 21 FT N OF A LINE FROM 30N177W TO 23N176E TO 21N160E.
SEAS 8 TO 12 FT ELSEWHERE N OF A LINE FROM 28N163W TO 20N180E TO 
16N174E TO 14N160E. SEAS 8 TO 9 FT N OF 23N BETWEEN 153W AND 160W.
.24 HOUR FORECAST SEAS 12 TO 20 FT N OF A LINE FROM 30N170W TO 
21N177W TO 19N178E TO 19N169E. SEAS 8 TO 12 FT ELSEWHERE N OF A 
LINE FROM 30N163W TO 18N176W TO 13N178E TO 10N160E. SEAS 8 TO 9 FT 
N OF 28N BETWEEN 152W AND 155W.
.48 HOUR FORECAST SEAS 12 TO 18 FT N OF A LINE FROM 30N161W TO
23N167W TO 23N175W TO 27N180E TO 27N160E. SEAS 8 TO 12 FT ELSEWHERE 
N OF A LINE FROM 25N160W TO 09N174W TO 09N160E. SEAS 8 TO 10 FT N
OF A LINE FROM 18N140W TO 20N149W TO 22N152W TO 25N160W.

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

.ITCZ FROM 08N140W TO 10N146W TO 12N151W. ISOLATED MODERATE TSTMS 
WITHIN 120 NM OF ITCZ.

$$

.FORECASTER HOUSTON. HONOLULU HI.


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