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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220213101052.7A8301C0EEE@weather.cod.edu>
Date: Sun, 13 Feb 2022 10:10:52 +0000
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916 
FZPN40 PHFO 131008
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC SUN FEB 13 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FEB 13 2022.
24 HOUR FORECAST VALID 0600 UTC FEB 14 2022.
48 HOUR FORECAST VALID 0600 UTC FEB 15 2022.

.WARNINGS. 

...GALE WARNING... 
.FRONT FROM 30N174W TO 20N175E TO 14N160E MOVING E 10 KT. NW TO W
WINDS 30 TO 35 KT N OF 26N W OF 175E. S TO SW WINDS 25 TO 35 KT 
WITHIN 210 NM E OF FRONT N OF 27N. WINDS 20 TO 30 KT ELSEWHERE N OF 
A LINE FROM 26N162W TO 24N170W TO 24N180E TO 22N170E TO 24N160E.
ISOLATED MODERATE TSTMS WITHIN 240 NM OF FRONT N OF 25N.
.24 HOUR FORECAST FRONT FROM 30N169W TO 24N175W TO 17N177E TO 
13N160E. NW TO W WINDS 25 TO 35 KT N OF 26N BETWEEN 180E AND 168E.
NW TO W WINDS 20 TO 30 KT ELSEWHERE N OF A LINE FROM 24N179W TO 
24N175E TO 28N165E. S TO SW WINDS 20 TO 25 KT WITHIN 210 NM E OF
FRONT N OF 26N. NW WINDS 20 TO 25 KT WITHIN 300 NM N OF FRONT 
BETWEEN 174E AND 170E.
.48 HOUR FORECAST FRONT FROM 30N164W TO 24N167W TO 17N180E TO
13N170E. NW TO W WINDS 20 TO 30 KT WITHIN 450 NM W OF FRONT N OF 
28N.

...GALE WARNING...
.48 HOUR FORECAST NEW FRONT FROM 30N162E TO 28N160E. NW WINDS 30 
TO 35 KT W OF FRONT. S TO SW WINDS 25 TO 40 KT ELSEWHERE N OF A
LINE FROM 29N173E TO 27N170E TO 25N167E TO 24N160E.

.SYNOPSIS AND FORECAST.

.LOW JUST N OF AREA 31N151W 1012 MB MOVING SW 10 KT. TROUGH FROM 
LOW TO 30N150W TO 28N148W TO 25N147W MOVING WSW 10 KT. N TO NE 
WINDS 20 TO 30 KT N OF 27N BETWEEN 151W AND 158W.
.24 HOUR FORECAST LOW 27N155W 1012 MB. TROUGH FROM 30N156W TO LOW 
TO 23N155W. WINDS 20 TO 25 KT N OF 25N BETWEEN 150W AND 154W...AND 
WITHIN 180 NM NW QUADRANT OF LOW.
.48 HOUR FORECAST LOW DISSIPATED. TROUGH FROM 30N160W TO 23N159W. 
WINDS DIMINISHED TO 20 KT OR LESS.

.TROUGH FROM 25N143W TO 18N144W MOVING W SLOWLY. ISOLATED MODERATE
TSTMS WITHIN 120 NM E OF TROUGH N OF 20N.
.24 HOUR FORECAST TROUGH FROM 24N147W TO 17N146W.
.48 HOUR FORECAST TROUGH FROM 24N152W TO 18N149W.

.TROUGH FROM 12N170E TO 03N168E MOVING W 10 KT. SCATTERED MODERATE 
TO LOCALLY STRONG TSTMS BETWEEN TROUGH AND 161E FROM 05N TO 09N. 
ISOLATED MODERATE TSTMS ELSEWHERE FROM 03N TO 10N W OF 170E...AND S
OF 03N W OF 168E.
.24 HOUR FORECAST TROUGH FROM 09N164E TO 03N165E.
.48 HOUR FORECAST TROUGH MOVED W OF AREA.

.NE TO E WINDS 20 TO 25 KT FROM 08N TO 12N BETWEEN 162W AND 176W.
.24 HOUR FORECAST E WINDS 20 TO 25 KT N OF 22N E OF 150W. NE WINDS
20 TO 25 KT FROM 08N TO 13N BETWEEN 162W AND 177W...AND FROM 05N TO 
19N W OF 170E.
.48 HOUR FORECAST E TO SE WINDS 20 TO 25 KT N OF 24N E OF 154W. NE
WINDS 20 TO 25 KT FROM 05N TO 15N BETWEEN 168W AND 167E. 

.RIDGE FROM 30N160W TO 23N168W TO 15N173E MOVING E SLOWLY AND
GRADUALLY ERODING FROM THE SW. 

.RIDGE FROM 20N160E TO 17N164E MOVING E 15 KT.

.48 HOUR FORECAST NEW HIGH 26N174E 1019 MB. 

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

.SEAS 18 TO 25 FT N OF A LINE FROM 30N179W TO 25N176E TO 25N168E TO
27N160E. SEAS 12 TO 18 FT ELSEWHERE N OF A LINE FROM 30N174W TO
20N171E TO 20N160E. SEAS 8 TO 12 FT ELSEWHERE N OF A LINE FROM 
30N168W TO 21N179E TO 13N160E. SEAS 8 TO 10 FT N OF 28N BETWEEN 
151W AND 157W. SEAS 8 TO 9 FT FROM 07N TO 11N BETWEEN 162W AND 
175W.
.24 HOUR FORECAST SEAS 18 TO 23 FT N OF A LINE FROM 30N174W TO
25N179E TO 25N171E TO 30N165E. SEAS 12 TO 18 FT ELSEWHERE N OF A 
LINE FROM 30N167W TO 18N180E TO 18N160E. SEAS 8 TO 12 FT ELSEWHERE 
N OF A LINE FROM 30N165W TO 18N175W TO 10N174E TO 09N160E. SEAS 8 
TO 10 FT N OF 25N BETWEEN 153W AND 159W. 
.48 HOUR FORECAST SEAS 12 TO 18 FT N OF A LINE FROM 30N160W TO
17N175W TO 17N174E TO 19N166E TO 26N160E. SEAS 8 TO 12 FT ELSEWHERE 
N OF A LINE FROM 28N155W TO 05N172W TO 05N160E. SEAS 8 TO 9 FT N OF
27N BETWEEN 147W AND 155W.

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

.ITCZ FROM 08N140W TO 08N160W TO 07N176E. ISOLATED MODERATE TSTMS 
WITHIN 60 NM OF ITCZ. 

$$

.FORECASTER HOUSTON. HONOLULU HI.


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