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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220302153611.C22781C0EEE@weather.cod.edu>
Date: Wed, 2 Mar 2022 15:36:11 +0000
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703 
FZPN40 PHFO 021535
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC WED MAR 02 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MAR 02 2022.
24 HOUR FORECAST VALID 1200 UTC MAR 03 2022.
48 HOUR FORECAST VALID 1200 UTC MAR 04 2022.

.WARNINGS. 

...GALE WARNING...

.FRONT 27N140W TO 22N147W MOVING E 20 KT...THENCE BECOMING A NEAR
STATIONARY TROUGH FROM 22N147W TO 20N155W. NE TO E WINDS 20 TO 25
KT WITHIN 300 NM N OF FRONT E OF 157W. ISOLATED TSTMS WITHIN 90 NM
E OF FRONT. 
.12 HOUR FORECAST DEVELOPING NEW LOW ALONG TROUGH 26N155W 1014 MB
NEAR STATIONARY. E WINDS 25 TO 30 KT WITHIN 240 NM NE QUADRANT OF
LOW CENTER...E WINDS 20 TO 25 KT ELSEWHERE N OF 25N AND E OF 156W.
.24 HOUR FORECAST NEW LOW 28N152W 1011 MB. E WINDS 35 TO 40 KT 
WITHIN 270 NM N AND NE QUADRANTS OF LOW. E TO SE WINDS 20 TO 35 KT
ELSEWHERE N OF A LINE FROM 25N140W TO 25N151W TO 30N158W. 
.48 HOUR FORECAST LOW MOVING JUST N OF AREA 31N152W 1000 MB. SE 
TO SW WINDS 30 TO 40 KT N OF 28N E OF 145W. W TO S WINDS 20 TO 30 
KT N OF A LINE FROM 22N140W TO 23N150W TO 28N146W TO 29N149W TO 
28N152W TO 30N154W.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N165W TO 25N166W TO 22N172W MOVING E 20 KT...THENCE
BECOMING STATIONARY 22N172W TO 22N176E. 
.24 HOUR FORECAST WEAKENING FRONT LIFTING NE OF 30N AND ABSORBED 
WITHIN LOW MENTIONED ABOVE.

.48 HOUR FORECAST NEW FRONT FROM 30N170E TO 23N160E MOVING E 20 
KT.

.TROUGH 04S166E TO 10N170E MOVING W 20 KT. ISOLATED TSTMS WITHIN 
180 NM OF EITHER SIDE OF TROUGH. 
.24 HOUR FORECAST TROUGH MOVED W OF 160E. 

.RIDGE FROM 30N179E TO 25N160E MOVING ENE 20 KT.

.NE WINDS 20 TO 25 KT FROM 05N TO 15N W OF 175W.
.24 HOUR FORECAST NE WINDS 20 OR LESS ACROSS FORECAST AREA. 
.48 HOUR FORECAST NE WINDS 20 TO 25 KT FROM 06N TO 14N W OF 168W.

.OTHERWISE...WINDS 20 KT OR LESS REST OF FORECAST AREA.

.SEAS 8 TO 13 FT N OF 28N BETWEEN 178W AND 168E...ELSEWHERE N OF 
A LINE FROM 30N170W TO 23N170E TO 30N161E....AND N OF A LINE FROM
18N140W TO 24N147W TO 25N155W TO 30N157W. SEAS 8 TO 9 FT FROM 03N
TO 11N BETWEEN 173W AND 172E.
.24 HOUR FORECAST SEAS 8 TO 10 FT N OF A LINE FROM 25N140W TO 
29N159W TO 22N170W TO 29N179E TO 29N160E.
.48 HOUR FORECAST SEAS 10 TO 14 FT N OF 28N W OF 162W...AND SEAS 8
TO 10 FT ELSEWHERE N OF A LINE FROM 24N140W TO 25N150W TO 23N158W
TO 30N167W.

.OTHERWISE...SEAS 8 FT OR LESS REST OF FORECAST AREA.

.ITCZ FROM 09N140W TO 07N160W TO 06N170W TO 06N170E. ISOLATED 
MODERATE TSTMS WITHIN 210 NM OF EITHER SIDE OF ITCZ W OF 154W. 

$$

.FORECASTER BLOOD. HONOLULU HI.


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