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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220119104529.249431C0EEE@weather.cod.edu>
Date: Wed, 19 Jan 2022 10:45:29 +0000
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074 
FZPN40 PHFO 191045
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC WED JAN 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 19 2022.
24 HOUR FORECAST VALID 0600 UTC JAN 20 2022.
48 HOUR FORECAST VALID 0600 UTC JAN 21 2022.

.WARNINGS. 

...GALE WARNING...
.FRONT FROM 30N179E TO 26N170E TO 23N160E MOVING E 30 KT. SW TO W
WINDS 25 TO 35 KT N OF LINE FROM 29N167W TO 22N180E TO 22N160E. ISOLATED
MODERATE TSTMS N OF 28N BETWEEN 177W AND 179E.
.24 HOUR FORECAST FRONT FROM 30N170W TO 20N170E TO 18N160E. WINDS
25 TO 35 KT N OF LINE FROM 28N157W TO 21N172W TO 22N170E TO 
29N160E. 
.48 HOUR FORECAST FRONT FROM 30N158W TO 20N177W TO 18N171E. S TO 
SW WINDS 20 TO 30 KT BETWEEN FRONT AND 151W N OF 27N. W TO NW 
WINDS 20 TO 30 KT BETWEEN FRONT AND 180E N OF 27N.

...GALE WARNING...
.48 HOUR FORECAST NEW FRONT FROM 30N162E TO 26N160E. W TO SW WINDS
20 TO 35 KT NW OF LINE 30N171E 23N160E. 

...GALE WARNING...
.48 HOUR FORECAST LOW NEAR 24N140W. NE TO E WINDS 30 TO 35 KT FROM
24N TO 29N E OF 143W. ELSEWHERE WINDS 20 TO 30 KT N OF 21N E OF
145W. 

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N153W TO 25N160W TO 22N170W TO 19N177E MOVING NE 20
KT AND DISSIPATING FROM THE W. SCATTERED MODERATE TSTMS WITHIN 180
NM E OF FRONT N OF 26N. ISOLATED MODERATE TSTMS WITHIN 75 NM NW OF
FRONT BETWEEN 157W AND 162W. 
.24 HOUR FORECAST FRONT DISSIPATED OVER FORECAST WATERS.

.TROUGH FROM 21N164W TO 18N170W TO 14N173W MOVING W 20 KT. 
.24 HOUR FORECAST WEAK TROUGH FROM 17N180E TO 14N179E. 
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH FROM 09N167W TO 04N167W MOVING W 15 KT. 
.24 HOUR FORECAST TROUGH 09N174W TO 06N173W. 
.48 HOUR FORECAST TROUGH 08N177E TO 04N 180E.

.48 HOUR FORECAST NEW HIGH 24N174E 1014 MB. 

.RIDGE FROM 30N141W TO 18N165W NEARLY STATIONARY.

.RIDGE FROM 30N160W TO 26N167W MOVING NE 20 KT AND DISSIPATING.

.RIDGE FROM 20N169W TO 17N178E TO 17N170E NEARLY STATIONARY AND
ERODING FROM THE W.

.RIDGE FROM 18N160E TO 18N168E NEARLY STATIONARY.  

.WINDS 20 KT OR LESS REST OF FORECAST AREA.

.SEAS 18 TO 22 FT N OF LINE FROM 29N180E TO 27N174E TO 16N160E. SEAS
12 TO 18 FT ELSEWHERE N OF LINE FROM 27N163W TO 27N180E TO 
24N176E TO 23N160E. SEAS 8 TO 12 FT ELSEWHERE N OF LINE FROM 
30N150W TO 23N160W TO 15N175W TO 16N174E TO 21N172E TO 21N160E. 
SEAS 8 TO 9 FT FROM 06N TO 11N BETWEEN 160W AND 166W.
.24 HOUR FORECAST SEAS 18 TO 26 FT N OF LINE FROM 29N168W TO 
27N180E TO 24N170E TO 25N164E TO 29N161E. SEAS 12 TO 18 FT 
ELSEWHERE N OF LINE FROM 29N161W TO 21N180E TO 20N170E TO 20N160E.
SEAS 8 TO 12 FT ELSEWHERE N OF LINE FROM 29N149W TO 22N158W TO 
18N170E TO 16N160E. SEAS 8 TO 9 FT FROM 06N TO 13N BETWEEN 163W 
AND 175W. 
.48 HOUR FORECAST SEAS 18 TO 21 FT N OF LINE FROM 29N163W TO 
26N168W TO 26N173W TO 29N175E. SEAS 12 TO 18 FT ELSEWHERE N OF 
LINE FROM 29N155W TO 15N176E TO 16N171E TO 27N160E. SEAS 8 TO 12 
FT ELSEWHERE N OF LINE FROM 29N151W TO 10N176E TO 08N160E. SEAS 12
TO 16 FT FROM 22N TO 29N E OF 143W. ELSEWHERE SEAS 8 TO 12 FT N 
OF 19N E OF 146W. SEAS 8 TO 9 FT FROM 06N TO 12N BETWEEN 151W AND 
177W. 

.SEAS 8 FT OR LESS REST OF FORECAST AREA.

.ITCZ FROM 08N140W TO 07N150W TO 08N154W TO 08N164W.


$$

.HONOLULU FORECAST OFFICE.


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