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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220307033140.CF38D1C0EEF@weather.cod.edu>
Date: Mon, 7 Mar 2022 03:31:40 +0000
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567 
FZPN40 PHFO 070331
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC MON MAR 07 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC MAR 07 2022.
24 HOUR FORECAST VALID 0000 UTC MAR 08 2022.
48 HOUR FORECAST VALID 0000 UTC MAR 09 2022.

.WARNINGS. 

...GALE WARNING...
.TROUGH 30N169E 24N160E MOVING E 20 KT. WINDS 20 TO 35 KT N OF LINE 
30N176E 23N168E 23N160E. SEE SEAS BELOW. 
.24 HOUR FORECAST TROUGH STRENGTHENED TO FRONT...AND MERGING WITH 
FIRST FRONT BELOW... 30N174E 25N167E 22N160E. WINDS 20 TO 30 KT N 
OF LINE 30N175W 28N178W 28N166E 30N161E. SEE SEAS BELOW.
.48 HOUR FORECAST FRONT 30N172W 25N175E 23N160E. WINDS 20 TO 25 KT 
N OF 28N BETWEEN 170W AND 175W. SEE SEAS BELOW.

.SYNOPSIS AND FORECAST.

.FRONT 30N162E 28N160E MOVING E 30 KT. WINDS 20 TO 25 KT BETWEEN 
FRONT AND GALE AREA ABOVE. SEE SEAS BELOW.
.24 HOUR FORECAST FRONT MERGED WITH STRENGTHENING TROUGH IN GALE 
AREA ABOVE.

.FRONT 30N159W 23N170W 22N180W 23N174E MOVING E 20 KT. WINDS 20 TO 
25 KT N OF FRONT E OF 172W. SEE SEAS BELOW. SCATTERED MODERATE 
TSTMS WITHIN 60 NM OF FRONT E OF 167W.
.24 HOUR FORECAST FRONT 30N154W 23N160W 21N170W 24N180W. WINDS 
DECREASED TO 20 KT OR LESS. SEE SEAS BELOW.
.48 HOUR FORECAST FRONT 30N149W 23N159W 22N173W. SEE SEAS BELOW.

.TROUGH 30N143W 23N144W MOVING W SLOWLY. WINDS 20 TO 30 KT E OF 
TROUGH. SEE SEAS BELOW. SCATTERED MODERATE TSTMS E OF TROUGH.
.24 HOUR FORECAST TROUGH 30N145W 23N144W. WINDS 20 TO 25 KT E OF 
TROUGH. SEE SEAS BELOW. 
.48 HOUR FORECAST TROUGH 30N145W 25N145W. WINDS 20 TO 25 KT E OF 
TROUGH. SEE SEAS BELOW.

.TROUGH 21N144W 14N147W NEARLY STATIONARY. SEE SEAS BELOW. 
SCATTERED STRONG TSTMS FROM 18N TO 23N E OF 144W. 
.24 HOUR FORECAST TROUGH DISSIPATED.

.RIDGE 30N149W 25N154W 24N160W MOVING E SLOWLY.

.RIDGE 30N179E 22N170E 19N160E MOVING E SLOWLY.

.WINDS 20 TO 25 KT FROM 06N TO 13N W OF 175W.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 06N TO 15N W OF 170W.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 05N TO 13N W OF 160W...AND
FROM 09N TO 20N E OF 147W.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 TO 10 FT N OF LINE 30N165E 25N170E 25N180E 30N166W...AND 
N OF LINE 30N152W 25N145W 12N140W.
.24 HOUR FORECAST SEAS 12 TO 15 FT N OF 29N AND W OF 161E. SEAS 
8 TO 12 FT ELSEWHERE N OF LINE 30N170E 26N160E. SEAS 8 TO 12 FT 
N OF LINE 30N175E 21N175W 27N160W 30N157W. SEAS 8 TO 10 FT N OF 
LINE 30N145W 10N140W.
.48 HOUR FORECAST SEAS 12 TO 15 FT N OF LINE 30N161E 25N164E 
26N169E 30N173E. SEAS 8 TO 12 FT ELSEWHERE N OF LINE 20N160E 
25N170E 30N176E. SEAS 8 TO 9 FT E OF 164W AND N OF LINE 22N164W 
25N154W 30N149W...E OF 143W BETWEEN 09N AND 20N...AND W OF 164W 
BETWEEN 04N AND 11N.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.ITCZ 06N140W 05N150W 04N160W 04N180W 07N170E 05N160E. ISOLATED 
MODERATE TSTMS WITHIN 90 NM OF ITCZ.

$$

.FORECASTER POWELL. HONOLULU HI.


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