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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220310033144.7A2A11C0EEF@weather.cod.edu>
Date: Thu, 10 Mar 2022 03:31:44 +0000
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481 
FZPN40 PHFO 100331
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC THU MAR 10 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 10 2022.
24 HOUR FORECAST VALID 0000 UTC MAR 11 2022.
48 HOUR FORECAST VALID 0000 UTC MAR 12 2022.

.WARNINGS.

...GALE WARNING...
.LOW JUST W OF FORECAST AREA NEAR 25N154E 1008 MB MOVING NE 20 KT. 
ASSOCIATED WINDS AND SEAS INCLUDED WITH SECOND FRONT DESCRIBED IN
FORECAST SECTION BELOW. 
.12 HOUR FORECAST LOW JUST W OF FORECAST AREA NEAR 27N159E 1005 MB.
WARM FRONT FROM LOW TO 27N165E. WIND E TO NE 20 TO 30 KT OVER FORECAST
WATERS N OF FRONT. WINDS SD TO SW 20 TO 30 KT OVER FORECAST WATERS SW
OF FRONT. SEAS 8 TO 10 FT OVER FORECAST WATERS NW OF A LINE FROM 30N170E 
TO 22N160E. 
.24 HOUR FORECAST LOW NEAR 30N163E 1001 MB. COLD FRONT FROM LOW TO
28N160E. WARM FRONT N OF FORECAST AREA. WINDS SE TO W 20 TO 30 KT 
WITHIN 600 NM E OF COLD FRONT AND 480 NM SE OF COLD FRONT. WINDS NE 
TO NW 20 TO 35 KT OVER FORECAST WATERS NW OF COLD FRONT. SEAS 8 TO 12 FT 
WITHIN AN AREA BOUND BY 30N160E 30N170E 25N170E 20N160E 30N160E. 
.36 HOUR FORECAST LOW N OF FORECAST AREA. COLD FRONT FROM 30N170E TO 
26N166E TO 23N160E. WINDS S TO SW 30 TO 40 KT N OF 26N WITHIN 270 NM
E OF FRONT. WINDS S TO SW 20 TO 30 KT ELSEWHERE WITHIN 480 NM E OF 
FRONT. WINDS N TO NW 20 TO 35 KT N OF 26N WITHIN 480 NM W OF FRONT.
SEAS 8 TO 14 FT WITHIN AN AREA BOUND BY 30N160E 30N175E 25N175E
20N160E 30N160E. 
.48 HOUR FORECAST FRONT FROM 30N179W TO 27N177E TO 25N172E TO 21N163E.
WIND SW 20 TO 30 KT N OF 25N WITHIN 480 NM E OF FRONT. WINDS NW TO N
20 TO 30 KT OVER FORECAST WATERS N OF FRONT E OF 170E. SEAS 8 TO 14 FT 
WITHIN AN AREA BOUND BY 30N165E 30N175W 25N175E 23N162E 30N165E. 

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N164W TO 27N169W MOVING NE 25 KT THENCE A 
DISSIPATING STATIONARY FRONT TO 25N176W. 
.24 HOUR FORECAST FRONT FROM 30N157W TO 27N166W.
.36 HOUR FORECAST FRONT N OF FORECAST AREA. 

.COLD FRONT FROM 30N174E TO 28N169E TO 27N164E MOVING NE 25 KT THENCE A 
STATIONARY FRONT TO 26N160E. WINDS S TO SW 20 TO 30 KT N OF 27N WITHIN 
420 NM E OF FRONT. WINDS NW TO E 20 TO 30 KT OVER FORECAST N AND NW OF
FRONT. SEAS 8 TO 12 FT OVER FORECAST WATERS NW AND N OF A LINE FROM 
30N172W TO 15N175E TO 25N160E. ISOLATED MODERATE TSMTS OVER FORECAST
WATERS N OF FRONT. 
.12 HOUR FORECAST FRONT FROM 30N177E TO 28N170E TO 27N165E. WIND SW 20 
TO 25 KT N OF 28N WITHIN 300 NM E OF FRONT. WINDS NW TO E 20 TO 25 KT
OVER FORECAST WATERS N OF FRONT. SEAS 8 TO 12 FT OVER FORECAST WATERS
NW AND N OF A LINE FROM 30N169W TO 15N179E TO 23N160E. 
.24 HOUR FORECAST FRONT FROM 30N176W TO 30N176E. ASSOCIATED WINDS 
DIMINISHED TO 20 KT OR LESS. SEAS 8 TO 10 FT WITHIN AN AREA BOUND BY
30N170E 30N166W 15N178W 15N170E 25N178W 30N170E. 
.36 HOUR FORECAST FRONT N OF FORECAST AREA. SEAS 8 TO 10 FT WITHIN
AN AREA BOUND BY 30N170E 30N163W 15N176W 15N175E 25N175W 30N170E. 
.48 HOUR FORECAST ASSOCIATED SEAS SUBSIDED TO 8 FT OR LOWER. 

.TROUGH FROM 30N145W TO 25N147W NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH DISSIPATED. 

.OTHERWISE WINDS NE TO E 20 TO 25 KT WITHIN AND AREA BOUND BY 20N140W
08N140W 08N162W 04N173W 06N160E 12N160E 15N175W 20N140W. 
.24 HOUR FORECAST WINDS NE TO SE 20 TO 25 KT WITHIN AN AREA BOUND BY 
18N179W 18N140W 08N140W 01N160W 01N175W 05N165E 11N165E 18N179W. 
.48 HOUR FORECAST WINDS NE TO SE 20 TO 25 KT WITHIN AN AREA BOUND BY 
20N140W 05N140W 01N160W 01N175E 05N160E 12N160E 16N175W 20N140W. 

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.OTHERWISE SEAS 8 TO 9 FT WITHIN AN AREA BOUND BY 20N140W 06N140W
04N173E 15N166E 15N175W 20N140W. 
.24 HOUR FORECAST SEAS 8 TO 10 FT WITHIN AN AREA BOUND BY 15N179E
15N160W 15N140W 05N140W 05N160E 11N160E 15N179E. 
.48 HOUR FORECAST SEAS 8 TO 10 FT WITHIN AN AREA BOUND BY 18N167W
14N140W 05N140W 05N172W 15N168E 18N167W. 

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA. 

.RIDGE FROM 30N153W TO 24N165W. 

.RIDGE FROM 24N179E TO 18N160E. 

.ITCZ FROM 05N140W TO 08N150W TO 07N163W TO 03N178W TO 05N170E TO 
05N160E. ASSOCIATED TSTMS INCLUDED BELOW.

.OTHERWISE SCATTERED MODERATE TSTMS WITHIN AN AREA BOUND BY 15N150W 
15N140W 08N140W 05N150W 05N170W 10N170W 15N150W...AND ALSO FROM 08N
TO 02N BETWEEN 160E AND 179E. 

$$

.FORECASTER BEDAL. HONOLULU HI.


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