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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220201154451.CF29D1C0EEE@weather.cod.edu>
Date: Tue, 1 Feb 2022 15:44:51 +0000
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017 
FZPN40 PHFO 011538
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC TUE FEB 01 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 01 2022.
24 HOUR FORECAST VALID 1200 UTC FEB 02 2022.
48 HOUR FORECAST VALID 1200 UTC FEB 03 2022.

.WARNINGS. 

...GALE WARNING...
.FRONT FROM 30N179W TO 24N171E TO 19N160E. S TO SW WINDS 25 TO 40 
KT WITHIN 480 NM E OF FRONT N OF 27N. NW TO W WINDS 25 TO 35 KT W
OF FRONT N OF 24N. S TO SW WINDS 20 TO 30 KT ELSEWHERE WITHIN 690 
NM E OF FRONT N OF 24N. 
.24 HOUR FORECAST FRONT FROM 30N167W TO 23N175W TO 16N160E. S TO SW
WINDS 25 TO 35 KT WITHIN 300 NM E OF FRONT N OF 28N. NW TO W WINDS 
20 TO 30 KT WITHIN 780 NM W OF FRONT N OF 28N. S TO SW WINDS 20 TO 
30 KT ELSEWHERE WITHIN 480 NM E OF FRONT N OF 24N. 
.48 HOUR FORECAST WEAKENING FRONT FROM 30N156W TO 26N162W TO 
25N172W. WINDS DIMINISHED TO 20 KT OR LESS.

...GALE WARNING...
.TROUGH FROM 22N140W TO 19N144W MOVING WNW 10 KT. E TO NE WINDS 20 
TO 25 KT FROM TROUGH TO 27N. ISOLATED MODERATE TSTMS WITHIN 210 
NM NW OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 30N146W TO 25N146W TO 18N148W. E TO 
SE WINDS 25 TO 35 KT E OF TROUGH N OF 23N.
.48 HOUR FORECAST TROUGH FROM 30N149W TO 20N151W. E TO SE WINDS 25 
TO 35 KT N OF 23N BETWEEN 142W AND 148W.

...GALE WARNING...
.24 HOUR FORECAST NEW FRONT JUST W OF AREA. W TO SW WINDS 25 TO 35 
KT N OF A LINE FROM 28N167E TO 17N163E TO 27N160E.
.30 HOUR FORECAST FRONT FROM 30N163E TO 27N160E. W TO SW WINDS 25 
TO 40 KT N OF A LINE FROM 29N173E TO 27N167E TO 26N160E. 
.48 HOUR FORECAST FRONT FROM 30N177E TO 24N167E TO 23N160E. SW 
WINDS 25 TO 35 KT WITHIN 300 NM E OF FRONT N OF 28N. WINDS 20 TO 30 
KT ELSEWHERE N OF A LINE FROM 29N171W TO 26N180E TO 25N172E TO 
27N160E. 

.SYNOPSIS AND FORECAST.

.TROUGH FROM 30N156W TO 25N159W TO 21N171W NEARLY STATIONARY. S 
WINDS 20 TO 25 KT N OF 29N BETWEEN 149W AND 153W. 
.24 HOUR FORECAST TROUGH DISSIPATED. WINDS DIMINISHED TO 20 KT OR 
LESS.

.NE TO E WINDS 20 TO 25 KT FROM 07N TO 13N BETWEEN 158W AND 180E.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 08N TO 12N BETWEEN
166W AND 180E...AND NE WINDS 20 TO 25 KT FROM 04N TO 13N W OF 172E.
.48 HOUR FORECAST NE WINDS 20 TO 25 KT FROM 03N TO 20N W OF 171E.

.HIGH 30N160W 1018 MB MOVING ENE 20 KT. RIDGE FROM HIGH TO 21N173W 
TO 17N163E MOVING ENE 20 KT.
.24 HOUR FORECAST HIGH DISSIPATED N OF AREA.

.RIDGE FROM 30N149W TO 26N154W MOVING E SLOWLY.  

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

.SEAS 12 TO 18 FT N OF A LINE FROM 30N174W TO 26N174E TO 27N166E. 
SEAS 12 TO 13 FT N OF 24N BETWEEN 159W AND 165W. SEAS 8 TO 12 FT 
ELSEWHERE N OF A LINE FROM 29N152W TO 23N160W TO 15N171W TO 15N179W 
TO 24N179E TO 22N160E. SEAS 8 TO 9 FT FROM 04N TO 11N BETWEEN 161W 
AND 171E...AND FROM 22N TO 26N E OF 144W.
.24 HOUR FORECAST SEAS 12 TO 19 FT N OF A LINE FROM 30N167W TO 
28N180E TO 24N164E TO 28N160E. SEAS 8 TO 13 FT N OF A LINE FROM
23N140W TO 26N147W. SEAS 8 TO 12 FT ELSEWHERE N OF A LINE FROM 
29N161W TO 22N177W TO 19N160E. SEAS 8 TO 10 FT N OF 20N BETWEEN 
150W AND 160W. SEAS 8 TO 10 FT WITHIN 300 NM OF A LINE FROM 
14N162W TO 10N171E TO 05N177E.
.48 HOUR FORECAST SEAS 18 TO 20 FT N OF 28N BETWEEN 177E AND 172E.
SEAS 12 TO 18 FT ELSEWHERE N OF A LINE FROM 30N161W TO 27N167W TO 
24N160E. SEAS 8 TO 12 FT ELSEWHERE N OF A LINE FROM 30N155W TO 
19N176W TO 12N160E. SEAS 8 TO 10 FT N OF A LINE FROM 13N140W TO 
22N151W. SEAS 8 TO 9 FT FROM 04N TO 10N BETWEEN 170W AND 179E.

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

.ISOLATED MODERATE TSTMS S OF 05N W OF 168E.

.ITCZ FROM 08N140W TO 08N160W TO 07N175W TO 04N172E. ISOLATED 
MODERATE TSTMS WITHIN 150 MM N OF ITCZ BETWEEN 144W AND 160W...
AND WITHIN 270 NM N OF ITCZ W OF 178E. 

$$

.FORECASTER HOUSTON. HONOLULU HI.


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