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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220127153730.00B3D1C0EEE@weather.cod.edu>
Date: Thu, 27 Jan 2022 15:37:29 +0000
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590 
FZPN40 PHFO 271537
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC JAN 27 2022.
24 HOUR FORECAST VALID 1200 UTC JAN 28 2022.
48 HOUR FORECAST VALID 1200 UTC JAN 29 2022.

.WARNINGS. 

...GALE WARNING...
.COLD FRONT NEAR 30N160E MOVING SE 20 KT. WIND SW 20 TO 25 KT 
OVER FORECAST WATERS N OF 28N W OF 166E.
.24 HOUR FORECAST DEVELOPING LOW NEAR 27N168E 1008 MB. FRONTS FROM 
LOW TO 30N171E AND FROM LOW TO 23N160E. WINDS SE TO SW 20 TO 25 KT N 
OF 27N WITHIN 600 NM E OF FRONT. WINDS S TO SW 20 TO 30 KT S OF 27N 
WITHIN 360 NM E OF FRONT. WINDS W TO NW 20 TO 25 KT S OF 27N WITHIN 
150 NM W OF FRONT. 
.48 HOUR FORECAST LOW JUST N OF FORECAST AREA NEAR 34N175W 1003 MB.
FRONT FROM LOW TO 30N178W TO 26N178E TO 23N175E TO 19N167E. WINDS
S TO SW 25 TO 35 KT N OF 26N WITHIN 420 NM E OF FRONT. WINDS SE TO 
SW TO 25 KT ELSEWHERE N OF 23N WITHIN 900 NM E OF FRONT. WINDS W TO
NW 20 TO 25 KT S OF 26N WITHIN 240 NM W OF FRONT. ASSOCIATED 
SEAS INCLUDED BELOW. 

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N141W TO 29M145W MOVING E 20 KT.
.12 HOUR FORECAST FRONT DISSIPATED. 

.COLD FRONT FROM 30N167W TO 25N172W TO 22N179W THENCE A DISSIPATING
STATIONARY FRONT TO 20N167E. COLD FRONT MOVING E 15 KT N OF 25N AND 
SE 10 KT S OF 25N. WINDS SE TO SW 20 TO 30 KT N OF 25N WITHIN 420 NM
E OF FRONT. SCATTERED MODERATE TSTMS WITHIN 180 NM N OF FRONT
W OF 173W. ISOLATED MODERATE TSTMS N OF 26N WITHIN 360 NM E OF FRONT. 
.24 HOUR FORECAST FRONT FROM 30N158W TO 27N162W TO 23N168W. WIND SW
20 TO 25 KT WITHIN 150 NM E OF FRONT. 
.48 HOUR FORECAST FRONT FROM 30N146W TO 27N150W TO 25N160W. WINDS NW
TO E 20 TO 25 KT WITHIN 150 NM N AND NW OF FRONT. 

.48 HOUR FORECAST NEW COLD FRONT FROM 30N172E TO 26N163E. WINDS W TO
NW 20 TO 25 KT W OF FRONT E OF 163E. 

.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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