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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220103152800.581C81C0EEE@weather.cod.edu>
Date: Mon, 3 Jan 2022 15:28:00 +0000
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382 
FZPN40 PHFO 031527
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC JAN 03 2022.
24 HOUR FORECAST VALID 1200 UTC JAN 04 2022.
48 HOUR FORECAST VALID 1200 UTC JAN 05 2022.

.WARNINGS.

...GALE WARNING...
.24 HOUR FORECAST NEW COLD FRONT JUST NW OF AREA. SW WINDS 20 TO 30 
KT N OF 28N W OF 163E.
.48 HOUR FORECAST COLD FRONT FROM 30N171E TO 23N160E. W TO SW WINDS
25 TO 35 KT N OF 27N W OF 180E. W TO SW WINDS 20 TO 30 KT ELSEWHERE
N OF A LINE FROM 27N178W TO 25N170E TO 25N160E. 

.SYNOPSIS AND FORECAST. 

.COLD FRONT FROM 30N173W TO 21N178E TO 14N160E MOVING E 15 KT. NW 
TO W WINDS 20 TO 30 KT WITHIN 750 NM W OF COLD FRONT N OF 26N. N TO 
NE WINDS 20 TO 25 KT WITHIN 210 NM N OF COLD FRONT W OF 177E...AND 
SW WINDS 20 TO 25 KT WITHIN 210 NM E OF COLD FRONT N OF 25N. 
ISOLATED MODERATE TSTMS WITHIN 240 NM SE OF COLD FRONT N OF 24N
.24 HOUR FORECAST FRONT FROM 30N166W TO 21N173W TO 15N167E. NW TO
W WINDS 20 TO 25 KT N OF 26N BETWEEN FRONT AND 174W. SW WINDS 20 TO 
25 KT WITHIN 150 NM E OF FRONT N OF 28N.
.48 HOUR FORECAST FRONT FROM 30N156W TO 23N164W TO 16N167E. NW TO W 
WINDS 20 TO 30 KT N OF 28N BETWEEN 163W AND 172W. 

.COLD FRONT FAR W OF AREA MOVING E 45 KT.
.24 HOUR FORECAST FRONT FROM 30N174E TO 29N169E TO 30N164E. SEE 
WINDS ASSOCIATED WITH NEW COLD FRONT DESCRIBED IN WARNING SECTION 
ABOVE. 
.48 HOUR FORECAST FRONT MOVED N OF AREA.

.TROUGH FROM 29N161W TO 20N164W MOVING E SLOWLY. SE TO S WINDS 20 
TO 25 KT N OF A LINE FROM 22N152W TO 23N155W TO 26N158W. ISOLATED 
MODERATE TSTMS WITHIN 120 NM E OF TROUGH N OF 23N.
.24 HOUR FORECAST TROUGH FROM 30N155W TO 26N157W. S WINDS 20 TO 25
KT WITHIN 240 NM E OF TROUGH.
.48 HOUR FORECAST WEAKENING TROUGH FROM 30N154W TO 27N154W. S WINDS 
20 TO 25 KT WITHIN 210 NM E OF TROUGH.

.E TO SE WINDS 20 TO 25 KT FROM 15N TO 22N E OF 150W.
.24 HOUR FORECAST E TO SE WINDS 20 TO 25 KT FROM 18N TO 23N E OF 
149W.
.48 HOUR FORECAST E TO SE WINDS 20 TO 25 KT FROM 19N TO 27N E OF 
149W.

.HIGH 18N178W 1011 MB MOVING E SLOWLY. RIDGE FROM 17N175E TO HIGH
TO 18N166W MOVING E SLOWLY. 
.24 HOUR FORECAST HIGH DISSIPATED.

.RIDGE FROM 28N140W TO 23N148W TO 15N158W MOVING NE SLOWLY. 

.RIDGE FROM 26N160E TO 28N164E TO 30N166E MOVING E 35 KT.

.RIDGE FROM 21N160E TO 18N166E MOVING E 35 KT.

.24 HOUR FORECAST NEW HIGH 26N171E 1016 MB.
.48 HOUR FORECAST HIGH 25N176W 1016 MB.

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

.SEAS 12 TO 20 FT N OF A LINE FROM 30N175W TO 20N171E TO 20N160E.
SEAS 8 TO 12 FT ELSEWHERE N OF A LINE FROM 28N164W TO 20N180E TO 
16N176E TO 13N160E. SEAS 8 TO 9 FT N OF 25N BETWEEN 154W AND 159W.
.24 HOUR FORECAST SEAS 12 TO 19 FT N OF A LINE FROM 30N168W TO 
21N177W TO 19N178E TO 18N170E. SEAS 8 TO 12 FT ELSEWHERE N OF A 
LINE FROM 30N162W TO 18N178W TO 13N180E TO 10N160E. SEAS 8 TO 11 FT 
N OF 28N E OF 157W.
.48 HOUR FORECAST SEAS 12 TO 18 FT N OF A LINE FROM 30N158W TO
23N164W TO 23N173W TO 27N180E TO 27N173E TO 25N160E. SEAS 8 TO 12 
FT ELSEWHERE N OF A LINE FROM 24N157W TO 09N175W TO 09N174E TO 
23N166E TO 22N160E. SEAS 8 TO 10 FT N OF A LINE FROM 17N140W TO 
19N148W TO 23N152W TO 24N157W.

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

.ITCZ FROM 09N140W TO 10N145W TO 11N153W. ISOLATED MODERATE TSTMS 
WITHIN 120 NM OF ITCZ.

$$

.FORECASTER HOUSTON. HONOLULU HI.


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