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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220122102531.5B8A41C0EEE@weather.cod.edu>
Date: Sat, 22 Jan 2022 10:25:31 +0000
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777 
FZPN40 PHFO 221025
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC SAT JAN 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 22 2022.
24 HOUR FORECAST VALID 0600 UTC JAN 23 2022.
48 HOUR FORECAST VALID 0600 UTC JAN 24 2022.

.WARNINGS. 

...GALE WARNING...
.FRONT FROM 30N179E TO 22N160E MOVING E 20 KT ALONG 30N. SW WINDS
25 TO 35 KT IN AREA BETWEEN FRONT AND LINE FROM 30N174W TO 25N180E
TO 22N167E. ISOLATED MODERATE TSTMS N OF 27N BETWEEN 172E AND 
178E. 
.24 HOUR FORECAST FRONT FROM 30N172W TO 20N171E TO 16N160E. W TO 
NW WINDS 25 TO 35 KT N OF 27N W OF 178E. SW WINDS 20 TO 30 KT 
WITHIN 270 NM E OF FRONT N OF 27N. 
.48 HOUR FORECAST FRONT FROM 30N167W TO 22N180E TO 15N160E. NE
WINDS 20 TO 25 KT FROM 15N TO 19N W OF 167E.

...GALE WARNING...
.FRONT FROM 30N169E TO 26N160E MOVING E 40 KT ALONG 30N. MAINLY  
W TO NW WINDS 25 TO 35 KT N OF LINE FROM 29N174E TO 22N160E. 
.24 HOUR FORECAST FRONT MERGED WITH FRONT DESCRIBED ABOVE. SEE
WINDS ASSOCIATED WITH THAT FEATURE.

.SYNOPSIS AND FORECAST.

.LOW 23N142W 1010 MB SW SLOWLY. WINDS 20 TO 30 KT N OF 22N E OF 
145W. 
.24 HOUR FORECAST 21N144W 1010 MB. WINDS 20 TO 30 KT FROM 21N TO 
24N BETWEEN 143W AND 148W. 
.48 HOUR FORECAST LOW 18N146W 1010 MB. WINDS 20 TO 30 KT FROM 17N
TO 23N BETWEEN 144W AND 153W.

.FRONT FROM 30N149W TO 25N153W TO 23N160W TO 21N170W MOVING E 15 
KT ALONG 30N...AND NEARLY STATIONARY W OF 153W. 
.24 HOUR FORECAST DISSIPATING FRONT FROM 30N141W TO 27N144W. 
.48 HOUR FORECAST FRONT WEAKENED TO TROUGH FROM 30N141W TO
26N144W.

.TROUGH FROM 11N171E TO 04N172E MOVING W 10 KT. ISOLATED MODERATE
TSTMS FROM 06N TO 10N BETWEEN 169E AND 173E. 
.24 HOUR FORECAST WEAK TROUGH FROM 07N164E TO 03N163E. 
.48 HOUR FORECAST TROUGH DISSIPATED.

.HIGH 30N159W 1021 MB MOVING NE 20 KT. RIDGE FROM HIGH TO 24N170W
TO 23N180E TO 17N162E. 
.24 HOUR FORECAST HIGH MOVED N OF FORECAST AREA.

.RIDGE FROM 30N144W TO 27N148W NEARLY STATIONARY...AND ERODING
FROM THE SW.

.NE TO E WINDS 20 TO 25 KT FROM 06N TO 15N BETWEEN 160W AND 180W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 08N TO 12N W OF
176E. 
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 07N TO 12N W OF 
171E..AND FROM 09N TO 15N BETWEEN 153W AND 170W. 

.WINDS 20 KT OR LESS REST OF FORECAST AREA. 

.SEAS 18 TO 21 FT NW OF LINE FROM 30N168E TO 25N160E. SEAS 12 TO
18 FT ELSEWHERE N OF LINE FROM 28N177W TO 24N168E TO 22N160E. SEAS
ALSO 12 TO 18 FT N OF LINE FROM 28N153W TO 23N160W TO 22N169W TO
28N177W. SEAS 8 TO 12 FT ELSEWHERE N OF LINE FROM 21N140W TO
19N144W TO 21N156W TO 08N164W TO 05N167W TO 05N174E TO 19N168E TO
19N160E. 
.24 HOUR FORECAST SEAS 12 TO 17 FT N OF LINE FROM 28N171W TO
24N175E TO 24N166E TO 26N160E. SEAS 12 TO 14 FT N OF 22N BETWEEN 
143W AND 157W. SEAS MAINLY 8 TO 12 FT ELSEWHERE N OF LINE FROM 
23N140W TO 05N160W TO 03N180E TO 06N173E TO 15N160E. 
.48 HOUR FORECAST SEAS 12 TO 14 FT N OF LINE FROM 28N177W TO
25N179E TO 27N169E. SEAS MAINLY 8 TO 12 FT ELSEWHERE N OF LINE
FROM 11N140W TO 03N169W TO 04N176E TO 08N160E.

.SEAS 8 FT OR LESS REST OF FORECAST AREA.

.ITCZ FROM 07N140W TO 08N150W TO 05N165W TO 04N180W. ISOLATED 
MODERATE TSTMS WITHIN 60 NM OF ITCZ W OF 167W...AND FROM 06N TO 
08N BETWEEN 178W AND 178E.

$$

.FORECASTER KINEL. HONOLULU HI.


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