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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220113104421.84AAE1C0EEE@weather.cod.edu>
Date: Thu, 13 Jan 2022 10:44:21 +0000
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313 
FZPN40 PHFO 131044
HSFNP 

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

.WARNINGS. 

...GALE WARNING...
.COLD FRONT FROM 30N169E TO 26N165E TO 23N160E. FRONT MOVING NE 
55 KT N OF 26N AND E 35 KT S OF 26N. WIND SW 30 TO 40 KT N OF 26N 
WITHIN 360 NM E OF FRONT. WIND S TO SW 20 TO 30 KT ELSEWHERE 
WITHIN 510 NM E OF FRONT. WINDS W TO NW 20 TO 30 KT WITHIN 510 NM 
W OF FRONT. ASSOCIATED SEAS INCLUDED BELOW.
.12 HOUR FORECAST FRONT FROM 30N179W TO 26N172E TO 23N160E. WIND 
SW 30 TO 35 KT N OF 28N WITHIN 420 NM E OF FRONT. WINDS S TO SW 20
TO 30 KT N OF 26N WITHIN 600 NM E OF FRONT. WIND NW 20 TO 25 KT N
OF FRONT E OF 172E. ASSOCIATED SEAS INCLUDED BELOW.
.24 HOUR FORECAST FRONT FROM 30N166W TO 26N173W TO 26N172E. WIND 
SW 20 TO 30 KT N OF 26N WITHIN 420 NM E OF FRONT. WINDS W TO NW 20
TO 30 KT N OF FRONT E OF 179W. 
.48 HOUR FORECAST FRONT FROM 30N155W TO 26N161W TO 24N170W TO 
26N177W. WINDS SW TO NW 20 TO 25 KT FROM 30N TO 28N BETWEEN 153W 
AND 143W. 

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N158W TO 25N162W TO 23N168W MOVING NE 20 KT 
THENCE A DISSIPATING STATIONARY FRONT TO 24N178W. WIND SW 20 TO 30
KT N OF 25N WITHIN 270 NM E OF FRONT. ASSOCIATED SEAS INCLUDED 
BELOW. 
.12 HOUR FORECAST COLD FRONT FROM 30N153W TO 24N160W. ASSOCIATED 
WINDS DIMINISHED TO 20 KT OR LESS. 
.24 HOUR FORECAST FRONT DISSIPATED.

.24 HOUR FORECAST NEW COLD FRONT NEAR 30N160E. WIND SW 20 TO 30 
KT OVER FORECAST WATERS NW OF A LINE FROM 30N170E TO 26N160E. 
ASSOCIATED SEAS INCLUDED BELOW. 
.48 HOUR FORECAST COLD FRONT FROM 30N178E TO 25N167E TO 22N160E. 
ASSOCIATED WARM FRONT FROM 30N178E TO 26N177W. WINDS SE TO SW 20 
TO 25 KT N OF 25N WITHIN 210 NM E OF COLD FRONT. WINDS W TO NW 20 
TO 30 KT WITHIN 1500 NM W OF COLD FRONT. ASSOCIATED SEAS INCLUDED 
BELOW.

.WARM FRONT FROM 30N174E TO 26N177E TO 24N178W MOVING ENE 40 KT. 
ASSOCIATED WINDS INCLUDED WITH COLD FRONT DESCRIBED IN WARNING 
SECTION ABOVE.
.12 HOUR FORECAST FRONT FROM 30N171W TO 26N169W. ASSOCIATED WINDS
INCLUDED WITH COLD FRONT DESCRIBED IN WARNING SECTION ABOVE.
.24 HOUR FORECAST FRONT N OF FORECAST AREA. 

.HIGH NEAR 26N174W 1015 MB.

.HIGH NEAR 21N177W 1015 MB. RIDGE FROM HIGH TO 19N170E TO 18N160E. 

.RIDGE FROM 30N143W TO 25N151W TO 21N162W. 

.ITCZ FROM 05N150W TO 07N160W TO 05N170W TO 05N175E.

.OTHERWISE WINDS NE TO E 20 TO 25 KT WITHIN AN AREA BOUND BY 
22N140W 12N140W 05N148W 05N174E 11N174E 16N168W 20N150W 22N140W. 
.12 HOUR FORECAST WINDS NE TO E 20 TO 30 KT WITHIN AN AREA BOUND 
BY 22N140W 14N140W 04N145W 04N163W 11N163W 15N174E 18N152W 
22N140W. 
.24 HOUR FORECAST WINDS NE TO E 20 TO 25 KT WITHIN AN AREA BOUND 
BY 22N150W 22N140W 14N140W 03N147W 03N160E 12N160E 15N175W 
22N150W.
.48 HOUR FORECAST WINDS NE TO E 20 TO 25 KT 22N140W 10N140W 
02N150W 04N160E 10N160E 16N179W 20N150W 22N140W. 

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA. 

.SEAS 12 TO 18 FT FROM 30N TO 28N BETWEEN 167E AND 179W AND ALSO 
FROM 30N TO 28N BETWEEN 174W AND 152W. SEAS 8 TO 12 FT ELSEWHERE 
WITHIN AN AREA BOUND BY 30N160E 30N148W 22N161W 25N175E 25N160E 
30N160E. ALSO SEAS 8 TO 10 FT WITHIN AN AREA BOUND BY 30N148W 
30N140W 08N140W 05N153W 07N179W 13N179W 18N160W 30N148W. 
.12 HOUR FORECAST SEAS 12 TO 15 FT FROM 30N TO 29N BETWEEN 175W 
AND 167W. SEAS 8 TO 12 FT ELSEWHERE WITHIN AN AREA BOUND BY 
30N160E 30N144W 22N152W 22N163W 25N170E 25N160E 30N160E. ALSO SEAS
8 TO 10 FT WITHIN AN AREA BOUND BY 30N140W 04N140W 04N177W 
13N174W 18N153W 30N140W. 
.24 HOUR FORECAST SEAS 12 TO 15 FT NW OF A LINE FROM 30N162E TO 
28N160E. SEAS 8 TO 12 FT ELSEWHERE WITHIN AN AREA BOUND BY 30N160E
30N142W 25N150W 23N160W 27N170E 22N160E 30N160E. ALSO SEAS 8 TO 9
FT WITHIN AN AREA BOUND BY 25N150W 23N140W 04N140W 06N179E 
12N179W 15N157W 25N150W.
.48 HOUR FORECAST SEAS 12 TO 18 FT NW OF A LINE FROM 30N172E TO 
24N160E. SEAS 8 TO 12 FT ELSEWHERE 30N160E 30N145W 24N160W 24N175E
20N160E 30N160E. ALSO SEAS 8 TO 9 FT WITHIN AN AREA BOUND BY 
24N150W 15N140W 05N157W 03N176E 11N174E 24N150W. 

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA. 

.HIGH NEAR 26N174W 1015 MB.

.HIGH NEAR 21N177W 1015 MB. RIDGE FROM HIGH TO 19N170E TO 18N160E. 

.RIDGE FROM 30N143W TO 25N151W TO 21N162W. 

.ITCZ FROM 05N150W TO 07N160W TO 05N170W TO 05N175E.

.OTHERWISE ISOLATED MODERATE TSTMS FROM 08N TO 01N BETWEEN 160E 
AND 165E. 

$$

.FORECASTER BEDAL. HONOLULU HI.


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