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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220215101531.4A42B1C0EEE@weather.cod.edu>
Date: Tue, 15 Feb 2022 10:15:30 +0000
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381 
FZPN40 PHFO 151015
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC TUE FEB 15 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 15 2022.
24 HOUR FORECAST VALID 0600 UTC FEB 16 2022.
48 HOUR FORECAST VALID 0600 UTC FEB 17 2022.

.WARNINGS. 

...GALE WARNING...
.FRONT FROM 30N162E TO 29N160E MOVING E 30 KT. SW WINDS 30 TO 40 KT
WITHIN 450 NM E OF FRONT...AND FROM 27N TO 29N W OF 168E. NW WINDS
30 TO 35 KT NW OF FRONT. S TO SW WINDS 20 TO 30 KT ELSEWHERE N OF A
LINE FROM 29N173E TO 26N170E TO 25N169E TO 24N160E.
.24 HOUR FORECAST FRONT FROM 30N179E TO 26N172E TO 23N160E. S TO SW
WINDS 20 TO 30 KT WITHIN 270 NM E OF FRONT N OF 27N. NW WINDS 20 TO 
25 KT WITHIN 210 NM W OF FRONT N OF 28N. N TO NE WINDS 20 TO 25 KT
FROM FRONT TO 28N BETWEEN 174E AND 170E...AND NE TO E WINDS 20 TO
25 KT WITHIN 150 NM N OF FRONT W OF 170E.
.48 HOUR FORECAST FRONT FROM 30N169W TO 25N175W TO 19N176E TO 
16N171E. N TO NE WINDS 20 TO 30 KT N OF FRONT E OF 180E. NE TO E 
WINDS 20 TO 30 KT N OF FRONT W OF 180E.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N164W TO 22N169W TO 17N180E TO 12N160E MOVING E 10 KT
N OF 17N...AND NEARLY STATIONARY ELSEWHERE. NE TO E WINDS 20 TO 25
KY WITHIN 210 NM N OF FRONT BETWEEN 167W AND 172E. ISOLATED MODERATE 
TSTMS WITHIN 120 NM E OF FRONT N OF 24N.
.24 HOUR FORECAST DISSIPATING FRONT FROM 30N158W TO 22N167W. WINDS 
DIMINISHED TO 20 KT OR LESS. 
.48 HOUR FORECAST FRONT DISSIPATED.

.TROUGH FROM 30N154W TO 18N149W MOVING W SLOWLY. E TO SE WINDS 20 
TO 30 KT N OF A LINE FROM 21N140W TO 22N148W TO 28N154W. SCATTERED 
MODERATE TSTMS FROM 14N TO 26N E OF 147W...AND FROM 24N TO 28N
BETWEEN 147W AND 152W.
.24 HOUR FORECAST TROUGH FROM 30N156W TO 23N153W TO 15N151W. E TO 
SE WINDS 20 TO 30 KT N OF A LINE FROM 12N140W TO 12N146W TO 17N151W
TO 27N153W.
.48 TROUGH FORECAST TROUGH FROM 30N159W TO 25N157W TO 17N155W. E TO
SE WINDS 20 TO 25 KT N OF A LINE FROM 10N140W TO 10N148W TO 17N153W
TO 26N156W.

.TROUGH FROM 28N161W TO 21N157W MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH MERGED WITH FRONT DESCRIBED ABOVE UNDER
SYNOPSIS AND FORECAST HEADER. 

.NE TO E WINDS 20 TO 25 KT FROM 05N TO 12N BETWEEN 170W AND 170E.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 03N TO 15N BETWEEN 
160W AND 171E.
.48 HOUR FORECAST NE TO E WINDS 20 TO 30 KT ELSEWHERE FROM 03N TO 
19N W OF 162W. 

.48 HOUR FORECAST NEW WARM FRONT FROM 27N160E TO 25N168E. S WINDS 
20 TO 30 KT N OF 28N W OF 164E. SE TO S WINDS 20 TO 25 KT N OF 23N 
BETWEEN 171E AND 164E.

.HIGH 28N179E 1019 MB MOVING ENE 30 KT. RIDGES FROM HIGH TO 
26N169W...FROM HIGH TO 30N179W...AND FROM HIGH TO 23N168E TO 
21N160E...MOVING ENE 30 KT. 
.24 HOUR FORECAST HIGH MOVED N OF AREA.

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

.SEAS 12 TO 18 FT N OF A LINE FROM 30N160W TO 17N177W TO 17N173E TO
19N167E TO 25N165E TO 26N160E. SEAS 8 TO 12 FT ELSEWHERE N OF A 
LINE FROM 28N154W TO 06N173W TO 06N160E. SEAS 8 TO 10 FT N OF A 
LINE FROM 22N145W TO 22N149W TO 28N154W. 
.24 HOUR FORECAST SEAS 12 TO 14 FT N OF 28N W OF 178E. SEAS 12 TO 
13 FT N OF 24N BETWEEN 160W AND 171W...AND FROM 10N TO 15N BETWEEN 
175E AND 170E. SEAS 8 TO 12 FT ELSEWHERE N OF A LINE FROM 14N140W 
TO 14N148W TO 20N153W TO 20N156W TO 07N160W TO 03N165W TO 03N160E.
.48 HOUR FORECAST SEAS 12 TO 13 FT N OF 28N BETWEEN 177W AND 
178E...AND FROM 06N TO 11N BETWEEN 170W AND 169E. SEAS 8 TO 12 FT 
ELSEWHERE N OF A LINE FROM 02N165W TO 00N180E TO 00N175E TO 
02N160E. SEAS 8 TO 10 FT N OF A LINE FROM 08N140W TO 07N141W TO 
02N165W.

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

.ISOLATED MODERATE TSTMS S OF 04N BETWEEN 168E AND 163E...AND FROM
06N TO 10N BETWEEN 170E AND 164E.

.ITCZ FROM 08N140W TO 09N151W TO 06N161W TO 05N170W TO 04N170E.
ISOLATED MODERATE TSTMS WITHIN 120 NM OF ITCZ. 

$$

.FORECASTER HOUSTON. HONOLULU HI.


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