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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220104152551.5E51E1C0EEE@weather.cod.edu>
Date: Tue, 4 Jan 2022 15:25:51 +0000
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625 
FZPN40 PHFO 041525
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC TUE JAN 04 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 04 2022.
24 HOUR FORECAST VALID 1200 UTC JAN 05 2022.
48 HOUR FORECAST VALID 1200 UTC JAN 06 2022.

.WARNINGS.

...GALE WARNING...
.COLD FRONT W OF AREA MOVING E 30 KT. SW WINDS 20 TO 30 KT N OF 28N
W OF 163E.
.06 HOUR FORECAST COLD FRONT FROM 30N161E TO 29N160E. SW WINDS 30 
35 KT WITHIN 180 NM E OF COLD FRONT. SW TO W WINDS 20 TO 30 KT
ELSEWHERE N OF A LINE FROM 28N168E TO 26N160E.
.24 HOUR FORECAST COLD FRONT FROM 30N172E TO 23N160E. SW TO W WINDS
25 TO 40 KT N OF 27N W OF 172E. SW TO W WINDS 20 TO 30 KT ELSEWHERE
N OF A LINE FROM 28N179W TO 25N170E TO 26N160E.
.48 HOUR FORECAST COLD FRONT FROM 30N178W TO 24N176E TO 20N160E. SW
TO W WINDS 25 TO 40 KT N OF 27N BETWEEN 174W AND 170E. W TO SW 
WINDS 20 TO 30 KT ELSEWHERE N OF A LINE FROM 27N168W TO 24N177E TO 
27N160E.

.SYNOPSIS AND FORECAST. 

.FRONT FROM 30N164W TO 21N174W TO 16N172E TO 13N160E MOVING E 15 KT
N OF 16N...AND NEARLY STATIONARY ELSEWHERE. W TO NW WINDS 20 TO 30  
KT WITHIN 480 NM W OF FRONT N OF 25N. SW WINDS 20 TO 25 KT WITHIN 
150 NM E OF FRONT N OF 26N. NE WINDS 20 TO 25 KT WITHIN 120 NM N OF 
FRONT W OF 164E.
.24 HOUR FORECAST FRONT FROM 30N157W TO 23N163W TO 19N178W TO 
16N167E. SE TO S WINDS 20 TO 30 KT N OF 25N BETWEEN 144W AND 154W.
.48 HOUR FORECAST FRONT FROM 30N144W TO 25N151W TO 24N162W. S WINDS
20 TO 25 KT E OF FRONT N OF 29N.

.COLD FRONT FROM 30N176E TO 29N171E MOVING E 35 KT. 
.06 HOUR FORECAST COLD FRONT FROM 30N177E TO 29N172E TO 30N169E. W
WINDS 20 TO 30 KT N OF 29N BETWEEN 178W AND 178E. 
.18 HOUR FORECAST COLD FRONT MOVED JUST N OF AREA. W WINDS 20 TO 30
KT N OF 28N BETWEEN 168W AND 177W.
.24 HOUR FORECAST W WINDS 20 TO 25 KT N OF 29N BETWEEN 167W AND 
171W.
.36 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS.

.36 HOUR FORECAST NEW TROUGH FROM 23N151W TO 17N148W. 
.48 HOUR FORECAST TROUGH FROM 24N150W TO 16N149W. 

.SE TO S WINDS 20 TO 25 KT N OF A LINE FROM 23N150W TO 24N153W TO 
27N157W. E TO SE WINDS 20 TO 25 KT FROM 17N TO 24N E OF 148W. 
.24 HOUR FORECAST E TO SE WINDS 20 TO 25 KT FROM 18N TO 25N E OF 
150W. NE WINDS 20 TO 25 KT FROM 11N TO 15N W OF 164E.
.48 HOUR FORECAST NE WINDS 20 TO 25 KT FROM 11N TO 17N W OF 165E.

.HIGH 24N162E 1019 MB MOVING E 30 KT. RIDGE FROM 24N160E TO HIGH
TO 26N174W MOVING E 30 KT. 
.24 HOUR FORECAST HIGH 23N177E 1016 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.RIDGE FROM 20N140W TO 22N154W TO 16N173W MOVING NNE SLOWLY...AND
GRADUALLY ERODING FROM THE W. 

.24 HOUR FORECAST NEW HIGH 26N172W 1016 MB.
.48 HOUR FORECAST HIGH MOVED N OF AREA.

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

.SEAS 12 TO 20 FT N OF A LINE FROM 30N167W TO 22N174W TO 18N180E TO 
19N172E TO 19N170E. SEAS 8 TO 12 FT ELSEWHERE N OF A LINE FROM 
30N161W TO 13N180E TO 10N160E. SEAS 8 TO 11 FT N OF 27N E OF 156W.
.24 HOUR FORECAST SEAS 12 TO 18 FT N OF A LINE FROM 30N159W TO
22N166W TO 22N171W TO 29N180E  SEAS 12 TO 16 FT N OF A LINE FROM 
29N180E TO 24N160E. SEAS 8 TO 12 FT ELSEWHERE N OF A LINE FROM
24N158W TO 10N173W TO 10N172E TO 22N168E TO 22N160E. SEAS 8 TO 10 
FT N OF A LINE FROM 14N140W TO 20N150W TO 24N152W TO 24N158W.
.48 HOUR FORECAST SEAS 12 TO 22 FT N OF A LINE FROM 30N168W TO 
24N176E TO 23N160E. SEAS 12 TO 14 FT N OF 25N BETWEEN 155W AND
166W. SEAS 8 TO 12 FT ELSEWHERE N OF A LINE FROM 30N146W TO
04N167W TO 04N180E...AND ELSEWHERE N OF A LINE FROM 23N180E TO 
16N160E. SEAS 8 TO 9 FT FROM 07N TO 23N E OF 147W.

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

.ISOLATED MODERATE TSTMS FROM 14N TO 17N BETWEEN 144W AND 153W.

.MONSOON TROUGH FROM 01N160E TO 01N166E. ISOLATED MODERATE TSTMS S
OF 03N W OF 165E.

.ITCZ FROM 08N140W TO 09N146W TO 12N153W. ISOLATED MODERATE TSTMS 
WITHIN 180 NM OF ITCZ.

$$

.FORECASTER HOUSTON. HONOLULU HI.


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