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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220127101957.A671A1C0EEE@weather.cod.edu>
Date: Thu, 27 Jan 2022 10:19:57 +0000
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633 
FZPN40 PHFO 271019
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC THU JAN 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 27 2022.
24 HOUR FORECAST VALID 0600 UTC JAN 28 2022.
48 HOUR FORECAST VALID 0600 UTC JAN 29 2022.

.WARNINGS. 

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT JUST NW OF FORECAST AREA NEAR 31N158E MOVING SE 20 KT.
WINDS INCREASING TO S TO SW 20 TO 30 KT OVER FORECAST WATERS NW OF 
A LINE FROM 30N169E TO 25N160E. 
.24 HOUR FORECAST DEVELOPING LOW NEAR 27N165E 1007 MB. FRONTS FROM
LOW TO 30N169E AND FROM LOW TO 25N160E. WINDS S TO SW 20 TO 25 KT 
WITHIN 360 NM E OF FRONTAL BOUNDARY. WINDS N TO NW 20 TO 25 KT S OF
27N WITHIN 240 NM W OF FRONT. 
.48 HOUR FORECAST LOW NEAR 30N178E 1004 MB. FRONT FROM LOW TO 25N173W
TO 21N167E. WINDS WINDS SE TO SW 20 TO 30 KT N OF 25N BETWEEN FRONT
AND 169W. WINDS W TO NW 20 TO 25 KT N OF 25N BETWEEN 170E AND FRONT. 

.COLD FRONT FROM 30N143W TO 27N148W MOVING E 15 KT.
.24 HOUR FORECAST FRONT DISSIPATED. 

.COLD FRONT FROM 30N169W TO 26N173W TO 21N175E THENCE A DISSIPATING 
STATIONARY FRONT TO 20N162E. WINDS S TO SW 20 TO 30 KT N OF 26N 
WITHIN 360 NM E OF FRONT. WINDS W TO NW 20 TO 30 KT N OF 26N WITHIN
180 NM W OF FRONT. SCATTERED MODERATE TSTMS WITHIN 180 NM N OF FRONT
W OF 173W. ISOLATED MODERATE TSMTS N OF 26N WITHIN 360 NM E OF FRONT. 
.24 HOUR FORECAST FRONT FROM 30N160W TO 26N166W TO 21N179W. ASSOCIATED
WINDS DIMINISHED TO 20 KT OR LESS.
.48 HOUR FORECAST FRONT FROM 30N148W TO 26N156W TO 25N165W. WINDS NW
TO E 20 TO 25 KT N OF FRONT BETWEEN 165W AND 148W. 

.48 HOUR FORECAST NEW COLD FRONT 30N166E TO 26N160E. WINDS NW TO SW
20 TO 25 KT N OF 28N BETWEEN 160E AND 170E. 

.OTHERWISE WINDS NE TO E 20 TO 25 KT FROM 18N TO 12N BETWEEN 163W AND
145W. 
.24 HOUR FORECAST WINDS NE TO E 20 TO 25 KT FROM 18N TO 12N BETWEEN
163W AND 145W...AND ALSO FROM 10N TO 04N BETWEEN 173E AND 170W.
.48 HOUR FORECAST WINDS NE TO E 20 TO 25 KT FROM 18N TO 08N BETWEEN
178W AND 145W....AND ALSO FROM 10N TO 04N BETWEEN 160E AND 175W. 

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 TO 13 FT WITHIN AN AREA BOUND BY 30N160E 30N161W 20N170E 
25N160E 30N160E. ALSO SEAS 8 TO 9 FT WITHIN AN AREA BOUND BY 30N158W 
30N142W 14N155W 02N170W 08N175E 18N160W 30N158W. 
.24 HOUR FORECAST SEAS TO 11 FT WITHIN AN AREA BOUND BY 30N160E 
30N160W 18N176W 24N160E 30N160E. ALSO SEAS 8 TO 9 FT WITHIN AN AREA 
BOUND BY 15N152W 08N152W 02N177E 12N177E 15N152W. 
.48 HOUR FORECAST SEAS 8 TO 11 FT WITHIN AN AREA BOUND BY 30N160E 
30N145W 10N168W 10N178E 25N160E 30N160E. ALSO SEAS 8 TO 9 FT FROM
16N TO 08N BETWEEN 165W AND 150W. 

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.HIGH NEAR 25N166E 1015 MB. RIDGE FROM HIGH TO 29N176E AND FROM HIGH
TO 24N160E. 

.RIDGE FROM 24N160W TO 20N170W TO 18N177E. 

.ITCZ FROM 08N140W TO 10N146W TO 08N154W AND ALSO FROM 02N170W TO 
04N179W TO 06N172E TO 04N162E. ISOLATED MODERATE TSTMS WITHIN 180 NM
EITHER SIDE OF CONVERGENCE LINE. 

$$

.FORECASTER BEDAL. HONOLULU HI.


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