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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220214225622.4C7C71C0EEE@weather.cod.edu>
Date: Mon, 14 Feb 2022 22:56:22 +0000
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363 
FZPN40 PHFO 142254
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC MON FEB 14 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC FEB 14 2022.
24 HOUR FORECAST VALID 1800 UTC FEB 15 2022.
48 HOUR FORECAST VALID 1800 UTC FEB 16 2022.

.WARNINGS. 

...GALE WARNING...
.COLD FRONT FROM 30N168W TO 26N170W TO 21N174W TO 17N178W MOVING
E 10 KT THENCE A STATIONARY FRONT TO 13N173E TO 12N163E. FRONT
DISSIPATING W OF 173E. WIND SE TO SW 20 TO 30 KT N OF 26N BETWEEN
FRONT AND 155W. WINDS W TO NW 30 TO 40 KT N OF 28 WITHIN BETWEEN 
173E AND FRONT. WIND NW 20 TO 30 KT ELSEWHERE OVER FORECAST WATERS
NW OF FRONT. ADDITIONAL WINDS INCLUDED BELOW. ASSOCIATED SEAS 
INCLUDED BELOW. NUMEROUS MODERATE TSTMS N OF 23N WITHIN 180 NM
E OF FRONT. 
.12 HOUR FORECAST FRONT FROM 30N164W TO 25N166W TO 21N177W TO 
17N177E. FRONT DISSIPATING W OF 177W. WIND S TO SW 20 TO 25 KT 
N OF 28N BETWEEN FRONT AND 155W. WIND W TO NW 20 TO 30 KT N OF 
28N BETWEEN FRONT AND 179W. ADDITIONAL WINDS AND SEAS INCLUDED 
BELOW.
.24 HOUR FORECAST DISSIPATING FRONT FROM 30N160W TO 25N165W TO 
21N176W. ASSOCIATED WINDS DIMINISHED TO 20 KT OR LESS. ASSOCIATED
SEAS INCLUDED BELOW. 
.36 HOUR FORECAST TROUGH FROM 22N154W TO 26N155W TO 30N157W. 
.48 HOUR FORECAST TROUGH DISSIPATED. 

...GALE WARNING...
.COLD FRONT JUST W OF FORECAST AREA NEAR 30N153W MOVING E 20 KT. 
WIND SW 20 TO 30 KT OVER FORECAST WATERS NW OF 30N166E TO 25N160E. 
.12 HOUR FORECAST COLD FRONT FROM 30N162E TO 28N160E. WINDS SW TO
NW 30 TO 40 KT  OVER FORECAST WATERS NW OF 30N166E TO 25N160E. 
WINDS S TO NW 20 TO 30 KT ELSEWHERE N OF 25N160E W OF 173E. 
.24 HOUR FORECAST COLD FRONT FROM 30N170E TO 26N166E TO 24N160E.
WIND SW 30 TO 35 KT N OF 28N WITHIN 270 NM E OF FRONT. WINDS S
TO SW 20 TO 30 KT ELSEWHERE N OF 26N BETWEEN FRONT AND 179W. 
WINDS NW TO NE 20 TO 30 KT OVER FORECAST WATERS NW OF FRONT. 
.36 HOUR FORECAST COLD FRONT FROM 30N178E TO 26N172E TO 25N167E 
TO 23N160E. WIND S TO SW 20 TO 30 KT N OF 26N WITHIN 270 NM E 
OF FRONT. WINDS NW TO N 20 TO 30 KT OVER FORECAST WATERS NW OF 
FRONT E OF 170E. ALSO WIND N TO NE 20 TO 25 KT WITHIN 180 NM
N OF FRONT W OF 170E. 
.48 HOUR FORECAST FRONT FROM 30N175W TO 25N177E TO 23N167E TO 
24N160E. WINDS NW TO N 20 TO 30 KT OVER FORECAST WATERS NW
OF FRONT E OF 175E. WINDS NE TO SW 20 TO 25 KT WITHIN 300 NM
N OF FRONT W OF 175E. 

.SYNOPSIS AND FORECAST.

.TROUGH FROM 14N148W TO 21N148W TO 28N148W MOVING SLOWLY W.
WINDS SE TO NE 20 TO 30 KT OVER FORECAST WATERS NE OF A LINE FROM
30N155W TO 21N148W TO 18N140W.  NUMEROUS MODERATE TSTMS FROM 24N
TO 15N BETWEEN 150W AND 140W. 
.24 HOUR FORECAST TROUGH FROM 13N151W TO 26N149W. WINDS SE TO NE
20 TO 30 KT OVER FORECAST WATERS NW OF W OF A LINE FROM 30N155W
TO 13N151W.
.36 HOUR FORECAST TROUGH MERGED WITH TROUGH DESCRIBED IN WARNING
SECTION ABOVE FROM 22N154W TO 26N155W TO 30N157W. ASSOCIATED WINDS
DIMINISHED TO 20 KT OR LESS. 

.TROUGH FROM 22N158W TO 28N160W MOVING SW 15 KT. ASSOCIATED 
WINDS INCLUDED WITH FIRST COLD FRONT DESCRIBED IN WARNING SECTION
ABOVE. 
.12 HOUR FORECAST TROUGH MERGED WITH FIRST COLD FRONT DESCRIBED
IN WARNING SECTION ABOVE. 

.OTHERWISE WINDS NE TO E 20 TO 25 KT FROM 17N TO 06N BETWEEN
160E AND 177W. 
.12 HOUR FORECAST WINDS NE TO E 20 TO 25 KT WITHIN AN AREA BOUND 
BY 24N170W 06N170W 06N160E 18N175E 24N170W. 
.24 HOUR FORECAST WINDS NE TO E 20 TO 30 KT WITHIN AN AREA BOUND 
22N173W 09N157W 04N179W 07N160E 11N160E 22N173W. 
.36 HOUR FORECAST WINDS NE TO E 20 TO 30 KT WINDS NE TO E 20 TO
30 KT WITHIN AN AREA BOUND BY 24N165W 08N158W 04N178E 04N160E 
10N160E 18N175W 24N165W...AND ALSO FROM 30N TO 10N BETWEEM 148W
AND 140W. 
.48 HOUR FORECAST WINDS NE TO E 20 TO 30 KT WITHIN AN AREA BOUND
BY 28N152W 28N140W 08N140W 08N153W 03N170W 03N170E 08N160E 17N160E
20N172E 28N152W. 

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA. 

.SEAS 12 TO 20 FT OVER FORECAST WATERS N AND NW OF A LINE FROM 
30N165W TO 24N179W TO 24N169E. SEAS 8 TO 12 FT ELSEWHERE WITHIN 
AN AREAS BOUND BY 30N160E 30N158W 07N178W 07N160E 30N160E. 
.12 HOUR FORECAST SEAS 12 TO 16 FT OVER FORECAST WATERS NW OF A 
LINE FROM 30N164W TO 26N170W TO 26N175E. SEAS 8 TO 12 FT ELSEWHERE
WITHIN AN AREA BOUND BY 30N160E 30N147W 24N147W 24N157W 15N165W
05N173W 05N160E 30N160E. 
.24 HOUR FORECAST SEAS 8 TO 14 FT WITHIN AND AREA BOUND BY 30N160E
30N140W 13N140W 22N150W 05N164W 05N160E 30N160E. 
.48 HOUR FORECAST SEAS 8 TO 12 FT WITHIN AN AREA BOUND BY 30N160E 
30N140W 10N140W 08N155W 02N168W 02N160E 30N160E. 

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.HIGH NEAR 26N165E 1018 MB. RIDGES FROM HIGH TO 22N176W AND FROM
HIGH TO 24N160E. 
.24 HOUR FORECAST HIGH N OF FORECAST AREA.

.RIDGE FROM 25N163W TO 19N170W. 

.ITCZ FROM 10N140W TO 09N148W TO 06N156W TO 05N168W TO 06N178W TO 
04N171E. ISOLATED MODERATE TSTMS WITHIN 90 NM EITHER SIDE OF 
CONVERGENCE LINE. 

$$

.FORECASTER BEDAL. HONOLULU HI.


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