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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220127222455.5F4021C0EEE@weather.cod.edu>
Date: Thu, 27 Jan 2022 22:24:55 +0000
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708 
FZPN40 PHFO 272224
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC JAN 27 2022.
24 HOUR FORECAST VALID 1800 UTC JAN 28 2022.
48 HOUR FORECAST VALID 1800 UTC JAN 29 2022.

.WARNINGS. 

...GALE WARNING...
.COLD FRONT FROM 30N163E TO 26N160E MOVING E 20 KT. WINDS SW 20 
TO 25 KT OVER FORECAST WATERS N OF 28N W OF 171E. SCATTERED 
MODERATE TSTMS WITHIN 180 NM E OF FRONT N OF 28N. 
.24 HOUR FORECAST DEVELOPING LOW NEAR 28N174E 1005 MB. FRONT FROM
30N174E TO LOW TO 21N164E TO 21N160E. WINDS S TO SW 20 TO 30 KT 
WITHIN 350 NM E OF FRONT AND LOW E OF 166E. WINDS S TO SE 20 TO 25
KT N OF 28N BETWEEN 174W AND 179E. 
.48 HOUR FORECAST LOW FAR N OF FORECAST AREA. FRONT FROM 30N174W 
TO 24N178E TO 25N160E. WINDS S TO SW 30 TO 35 KT N OF 28N BETWEEN 
164W AND 170W. WINDS SE TO SW 20 TO 30 KT ELSEWHERE N OF 23N 
BETWEEN 158W AND 178W. ASSOCIATED SEAS INCLUDED BELOW. 

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N164W TO 25N170W TO 21N176E MOVING E 15 KT N 
OF 23N AND NEARLY STATIONARY AND DISSIPATING ELSEWHERE. WINDS S TO
SW 20 TO 25 KT N OF 28N BETWEEN 155W AND FRONT. SCATTERED 
MODERATE TSTMS WITHIN 90 NM OF FRONT. 
.24 HOUR FORECAST FRONT FROM 30N153W TO 24N159W. WINDS EASED TO 
20 KT OR LESS.
.48 HOUR FORECAST FRONT FROM 30N145W TO 25N150W TO 25N155W. 

.DISSIPATING COLD FRONT FROM 30N140W TO 28N145W MOVING E 15 KT.
.12 HOUR FORECAST FRONT DISSIPATED. 

.24 HOUR FORECAST NEW COLD FRONT NEAR 30N160E. SW WINDS 20 TO 25
KT N OF 28N W OF 162E. 
.48 HOUR FORECAST COLD FRONT FROM 30N175E TO 23N163E TO 23N160E. 
WINDS W TO NW 20 TO 25 KT N OF 28N BETWEEN 176E AND 168E.

.48 HOUR FORECAST WINDS NE TO E 20 TO 25 KT FROM 10N TO 16N 
BETWEEN 149W AND 163W.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 TO 12 FT N OF LINE FROM 30N169W TO 21N175E TO 22N168E TO
27N164E TO 28N160E. SEAS 8 TO 9 FT N OF 28N BETWEEN 144W AND 
148W.
.24 HOUR FORECAST SEAS 8 TO 12 FT N OF LINE FROM 30N161W TO 
21N178W TO 21N167E TO 24N160E.
.48 HOUR FORECAST SEAS 8 TO 12 FT N OF LINE FROM 30N152W TO 
24N162W TO 21N168E TO 27N161E. 

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.HIGH NEAR 29N177W 1017 MB MOVING NE 25 KT. RIDGE FROM HIGH TO 
20N160E MOVING E 20 KT. 
.24 HOUR FORECAST HIGH MOVED FAR N OF AREA.

.RIDGE FROM 30N147W TO 23N162W TO 19N175W MOVING E 15 KT AND
ERODING FROM THE S.

.ITCZ FROM 07N140W TO 09N151W TO 02N173W TO 05N174E TO 04N165E. ISOLATED
MODERATE TSTMS WITHIN 180 NM EITHER SIDE OF ITCZ W OF 170W...AND 
E OF 160W.

.ISOLATED MODERATE TSTMS WITH 90 NM OF POINT 15N144W...AND FROM
02N TO 06N W OF 162E.


$$

.HONOLULU FORECAST OFFICE.


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