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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220128103010.74C3D1C0EEE@weather.cod.edu>
Date: Fri, 28 Jan 2022 10:30:10 +0000
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012 
FZPN40 PHFO 281029
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC FRI JAN 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 28 2022.
24 HOUR FORECAST VALID 0600 UTC JAN 29 2022.
48 HOUR FORECAST VALID 0600 UTC JAN 30 2022.

.WARNINGS. 

...GALE WARNING...
.LOW NEAR 27N166E 1005 MB MOVING E 35 KT. COLD FRONT FROM LOW TO 
24N163E TO 21N160E. WARM FRONT FROM LOW TO 30N169E. WINDS S TO W
20 TO 30 KT WITHIN 300 NM E OF FRONT. WINDS N TO W 20 TO 25 KT 
WITHIN 240 NM W OF FRONT. ISOLATED MODERATE TSTMS N OF 20N BETWEEN
FRONT AND 177E. 
.12 HOUR FORECAST LOW NEAR 28N174E 1003 MB. FRONTS FROM LOW TO 
25N169E TO 21N163E AND FROM LOW TO 30N176E. WINDS S TO SW 30 TO
35 KT FROM 28N TO 25N WITHIN 240 NM E OF FRONT. WINDS SE TO SW
20 TO 30 KT ELSEWHERE WITHIN 510 NM E OF FRONT. WINDS NW TO W
20 TO 25 KT S OF 28N WITHIN 180 NM W OF FRONT. 
.24 HOUR FORECAST LOW NEAR 30N178W 1001 MB. FRONT FROM LOW TO 
27N178E TO 20N171E. WINDS S TO SW 30 TO 40 KT N OF 27N WITHIN 
270 NM E OF FRONT. WINDS SE TO 20 TO 30 KT ELSEWHERE WITHIN 570
NM E OF FRONT. WINDS N TO W 20 TO 30 KT WITHIN 300 NM W OF FRONT. 
ASSOCIATED SEAS INCLUDED BELOW. 
.48 HOUR FORECAST LOW N OF FORECAST AREA. FRONT FROM 30N169W TO
24N177W TO 19N175E.  WINDS SE TO SW 20 TO 30 KT N OF 24N WITHIN 
600 NM E OF FRONT. WINDS W TO NW 20 TO 30 KT N OF 24N WITHIN 900
NM W OF FRONT. ASSOCIATED SEAS INCLUDED BELOW. 

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N160W TO 26N165W MOVING E 25 KT THENCE A 
STATIONARY FRONT TO 25N174W. WINDS S TO SW 20 TO 25 KT N OF 
28N WITHIN 240 NM E OF FRONT. ISOLATED MODERATE TSTMS WITHIN
300 NM EITHER SIDE OF TROUGH AXIS. 
.24 HOUR FORECAST FRONT FROM 30N148W TO 27N153W TO 24N161W.
WINDS NW TO E 20 TO 25 KT WITHIN 180 NM N OF FRONT. 
.48 HOUR FORECAST FRONT DISSIPATED. TROUGH FROM 24N143W TO 
30N141W. 

.24 HOUR FORECAST NEW COLD FRONT 30N166E TO 27N160E. WINDS W TO 
NW 20 TO 30 KT NW OF A LINE FROM 30N172E TO 24N165E. 
.48 HOUR FORECAST FRONT FROM 30N177W TO 26N176E TO 22N168E. 
ASSOCIATED WINDS INCLUDED WITH COLD FRONT DESCRIBED IN 
WARNING SECTION ABOVE. ASSOCIATED SEAS INCLUDED BELOW. 

.48 HOUR FORECAST NEW TROUGH FROM 12N146W TO 18N142W. 

.OTHERWISE WINDS NE TO E 20 TO 25 KT FROM 18N TO 12N BETWEEN
163W AND 155W. 
.24 HOUR FORECAST WINDS NE TO E 20 TO 25 KT FROM 18N TO 10N 
BETWEEN 175W AND 145W...AND ALSO FROM 12N TO 04N BETWEEN 160E
AND 170E.
.48 HOUR FORECAST WINDS NE TO E 20 TO 25 KT FROM 18N TO 08N
BETWEEN 170W AND 150W...AND FROM 12N TO 06N BETWEEN 160E AND
170E. 

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 TO 11 FT WITHIN AN AREA BOUND BY 30N160E 30N165W 22N175W 
20N160E 30N160E. 
.24 HOUR FORECAST SEAS 8 TO 13 FT WITHIN AN AREA BOUND BY 30N160E
30N155W 25N160W 20N179W 20N160E 30N160E. 
.48 HOUR FORECAST SEAS 8 TO 15 FT WITHIN AN AREA BOUND BY 30N160E
30N150W 25N160W 22N175W 22N160E 30N160E. ALSO SEAS 8 TO 9 FT 
FROM 15N TO 09N BETWEEN 170W AND 155W. 

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.RIDGE FROM 30N146W TO 25N154W TO 19N165W. 

.RIDGE FROM 30N172W TO 25N179W TO 21N174E TO 15N165E. 

.ITCZ FROM 09N140W TO 08N151W TO 07N160W AND ALSO FROM 03N171W TO
05N178E TO 04N162E. 

.OTHERWISE SCATTERED MODERATE TSTMS FROM 15N TO 11N BETWEEN 
154W AND 144W. 

$$

.FORECASTER BEDAL. HONOLULU HI.


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