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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220117103331.BA8E41C0EEE@weather.cod.edu>
Date: Mon, 17 Jan 2022 10:33:31 +0000
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002 
FZPN40 PHFO 171033
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC MON JAN 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 17 2022.
24 HOUR FORECAST VALID 0600 UTC JAN 18 2022.
48 HOUR FORECAST VALID 0600 UTC JAN 19 2022.

.WARNINGS. 

...GALE WARNING...
.24 HOUR FORECAST NEW FRONT 30N174E TO 25N160E. W TO SW WINDS
25 TO 35 KT W OF FRONT.
.48 HOUR FORECAST FRONT FROM 30N178E TO 22N160E. W TO NW WINDS
30 TO 40 KT W OF FRONT N OF 27N. W WINDS 20 TO 30 ELSEWHERE
N OF FRONT. W TO SW WINDS 30 TO 40 KT WITHIN 270 NM E OF FRONT
N OF 27N. WINDS 20 TO 30 KT WITHIN 360 NM ELSEWHERE E OF FRONT. 

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N170E TO 20N172E TO 17N160E. FRONT DISSIPATING
W OF 172E. W TO NW WINDS 20 TO 30 KT W OF FRONT N OF 25N. SW
WINDS 20 TO 30 KT WITHIN 180 NM E OF FRONT N OF 23N.  
.24 HOUR FORECAST FRONT FROM 30N165W TO 19N179E. W TO NW WINDS 
20 TO 30 KT WITHIN 180 NM W OF FRONT N OF 25N. SW WINDS 20 
TO 25 KT WITHIN 150 NM E OF FRONT N OF 24N.  
.48 HOUR FORECAST FRONT FROM 30N151W TO 27N158W. WINDS DISSIPATED
TO 20 KT OR LESS. 

.TROUGH FROM 21N145W TO 17N144W NEARLY STATIONARY. ISOLATED MODERATE
TSTMS WITHIN 210 NM E OF TROUGH.  
.24 HOUR FORECAST DISSIPATING TROUGH FROM 22N147W TO 17N147W.
.48 HOUR FORECAST TROUGH DISSIPATED. 

.HIGH NEAR 22N162W 1015 MB MOVING SW 10 KT. RIDGE FROM 20N179E TO 
HIGH.
.24 HOUR HIGH DISSIPATED. 

.RIDGE FROM 30N140W TO 23N149W NEARLY STATIONARY.

.RIDGE FROM 23N160E TO 21N168E NEARLY STATIONARY.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 12 TO 18 FT N OF LINE FROM 30N165W TO 24N176W TO 25N167W 
TO 30N162W. SEAS 8 TO 12 FT ELSEWHERE N OF LINE FROM 30N162W
TO 21N174W TO 15N160E. 

.24 HOUR FORECAST 12 TO 14 FT N OF A LINE FROM 30N160W TO 22N178W 
TO 28N174E TO 28N160E. SEAS 8 TO 12 FT ELSEWHERE N OF A LINE FROM 
30N155W TO 17N176W TO 17N171E TO 26N160E. 
.48 HOUR FORECAST SEAS 18 TO 24 FT N OF 29N BETWEEN 168E AND 162E. 
SEAS 12 TO 18 FT ELSEWHERE N OF LINE FROM 30N178W TO 23N160E. SEAS
8 TO 12 FT ELSEWHERE N OF A LINE FROM 30N148W TO 17N169W TO 
22N177E TO 21N160E. 

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.ITCZ FROM 07N140W TO 07N153W. ISOLATED MODERATE TSTMS WITHIN 90 NM 
OF ITCZ.

.ISOLATED MODERATE TSTMS FROM 16N TO 10N E OF 140W. 

$$

.FORECASTER THOMAS. HONOLULU HI.


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