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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220117221943.E8F401C0EEE@weather.cod.edu>
Date: Mon, 17 Jan 2022 22:19:43 +0000
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845 
FZPN40 PHFO 172219
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC JAN 17 2022.
24 HOUR FORECAST VALID 1800 UTC JAN 18 2022.
48 HOUR FORECAST VALID 1800 UTC JAN 19 2022.

.WARNINGS. 

...GALE WARNING...
.FRONT JUST W OF AREA MOVING E 25 KT. SW WINDS 20 TO 25 KT N OF A 
LINE FROM 30N164E TO 27N160E.
.24 HOUR FORECAST FRONT 30N168E TO 26N160E. SW TO W WINDS 30 TO 35 
KT N OF A LINE FROM 30N172E TO 27N170E TO 27N160E. SW TO W WINDS 
20 TO 30 KT ELSEWHERE N OF A LINE FROM 30N175W TO 25N175E TO 
23N160E. 
.48 HOUR FORECAST FRONT FROM 30N176W TO 25N175E TO 20N160E. SW TO 
W WINDS 30 TO 40 KT N OF A LINE FROM 30N172W TO 25N175E TO 
30N161E. SW TO NW WINDS 20 TO 30 KT ELSEWHERE N OF A LINE FROM 
30N163W TO 22N175W TO 22N170E TO 25N160E. 

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N167W TO 24N176W TO 20N173E TO 16N160E MOVING E 25 
KT E OF 173E AND NEARLY STATIONARY W OF 173E. SW TO W WINDS 20 
TO 30 KT N OF A LINE FROM 30N159W TO 23N176W TO 30N169E. ISOLATED 
MODERATE TSTMS WITHIN 120 NM E OF FRONT N OF 26N...AND N OF 29N 
BETWEEN 173W AND 177E.  
.24 HOUR FORECAST FRONT FROM 30N158W TO 24N165W TO 21N178E TO 
16N160E. SW TO NW WINDS 20 TO 25 KT WITHIN 120 NM OF FRONT N OF 
28N.  
.48 HOUR FORECAST FRONT DISSIPATED. WINDS DIMINISHED TO 20 KT OR 
LESS. 

.RIDGE FROM 30N145W TO 23N160W TO 19N178W NEARLY STATIONARY.

.RIDGE FROM 23N160E TO 23N174E MOVING E 25 KT.

.24 HOUR FORECAST NEW TROUGH FROM 17N166W TO 14N170W.  
.48 HOUR FORECAST TROUGH FROM 19N170W TO 15N174W.  

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 12 TO 18 FT N OF A LINE FROM 30N164W TO 24N175W TO 25N167W 
TO 24N170E TO 30N162E. SEAS 8 TO 12 FT ELSEWHERE N OF A LINE FROM 
30N160W TO 13N180E TO 14N160E. 
.24 HOUR FORECAST 12 TO 18 FT N OF A LINE FROM 30N158W TO 26N170W 
TO 26N175E TO 26N160E. SEAS 8 TO 12 FT ELSEWHERE N OF A LINE FROM 
30N153W TO 20N170W TO 06N180E TO 24N160E. 
.48 HOUR FORECAST SEAS 18 TO 26 FT N OF A LINE FROM 30N177W TO 
25N170E TO 27N160E. SEAS 12 TO 18 FT ELSEWHERE N OF A LINE FROM 
30N165W TO 23N180E TO 11N160E. SEAS 8 TO 12 FT ELSEWHERE N OF A 
LINE FROM 30N147W TO 10N170W TO 20N180E TO 18N160E. 

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.ITCZ FROM 08N140W TO 09N154W TO 07N159W.

.ISOLATED MODERATE TSTMS FROM 19N TO 15N E OF 143W...AND FROM 07N 
TO 05N W OF 164E. 

$$

.FORECASTER WROE. HONOLULU HI.


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