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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220308225900.3495D1C0EEF@weather.cod.edu>
Date: Tue, 8 Mar 2022 22:59:00 +0000
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097 
FZPN40 PHFO 082258
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC TUE MAR 08 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MAR 08 2022.
24 HOUR FORECAST VALID 1800 UTC MAR 09 2022.
48 HOUR FORECAST VALID 1800 UTC MAR 10 2022.

.WARNINGS. 

...GALE WARNING...
.LOW JUST W OF FORECAST AREA NEAR 28N153E 1004 MB MOVING NE 40 KT. 
WINDS INCREASING TO SE TO S 20 TO 30 KT OVER FORECAST WATERS N OF 
22N W OF 167E. ASSOCIATED SEAS INCLUDED WITH SECOND COLD FRONT 
DESCRIBED IN FORECAST SECTION BELOW. 
.12 HOUR FORECAST LOW NEAR 30N162E 1006 MB. COLD FRONT FROM LOW TO
28N160E. WARM FRONT FROM LOW TO 30N167E. WINDS 30 TO 35 KT OVER 
FORECAST WATERS WITHIN 90 NM OF LOW. WINDS SE TO SW 20 TO 30 KT 
ELSEWHERE WITHIN 300 NM E AND S OF FRONT. WINDS NW TO NW 20 TO 
30 KT ELSEWHERE OVER FORECAST WATERS NW OF FRONT. ASSOCIATED SEAS 
INCLUDED WITH SECOND COLD FRONT DESCRIBED IN FORECAST SECTION BELOW. 
.24 HOUR FORECAST LOW JUST N OF FORECAST AREA NEAR 31N170E. COLD 
FRONT FROM LOW TO 27N160E. WARM FRONT FROM LOW TO 32N179E. WINDS 
30TO 35 KT OVER FORECAST WATERS WITHIN 120 NM OF LOW. WINDS S TO 
SW 20 TO 30 KT ELSEWHERE WITHIN 600 NM OF COLD FRONT. WINDS NW TO
NE 20 TO 30 KT ELSEWHERE OVER FORECAST WATERS NW OF COLD FRONT.
ASSOCIATED SEAS INCLUDED WITH SECOND COLD FRONT DESCRIBED IN 
FORECAST SECTION BELOW. 
.36 HOUR FORECAST LOW JUST N OF FORECAST AREA NEAR 32N178W 1008 MB.
COLD FRONT FROM LOW TO 30N175E TO 27N169E TO 27N160E. WIND SW 20 TO
25 KT N OF 27N WITHIN 360 NM E OF FRONT. WINDS NW TO NE 20 TO 30 KT
OVER FORECAST WATERS N OF FRONT. 
.48 HOUR FORECAST DISSIPATING LOW FAR N OF FORECAST AREA. FRONT FROM 
30N179W TO 27N169E. ASSOCIATED WINDS DIMINISHED TO 20 KT OR LESS. 


.SYNOPSIS AND FORECAST.

.48 HOUR FORECAST NEW LOW NEAR 29N161E 1002 MB. WINDS SE TO W 20 TO
30 KT AND SEAS 8 TO 11 FT OVER FORECAST WATERS N OF 21N W OF 169E. 

.COLD FRONT FROM 30N148W TO 26N150W MOVING E SLOWLY THENCE A 
STATIONARY FRONT TO 23N154W. WINDS SE TO S 20 TO 25 KT OVER FORECAST 
WATERS N OF 26N BETWEEN FRONT AND 140W. SCATTERED MODERATE TSTMS 
WITHIN 180 NM EITHER SIDE OF A LINE FROM 30N143W TO 24N148W TO 
18N154W. 
.24 HOUR FORECAST FRONT DISSIPATED. TROUGH FROM 25N148W TO 30N146W. 
ASSOCIATED WINDS DIMINISHED TO 20 KT OR LESS. 
.48 HOUR FORECAST TROUGH DISSIPATED. 

.COLD FRONT FROM 30N175W TO 25N179W TO 24N170E THENCE A DISSIPATING
STATIONARY FRONT TO 24N160E. COLD FRONT MOVING E 25 KT N OF 25N AND
SE 15 KT S OF 25N. WINDS S TO SW 20 TO 25 KT N OF 28N WITHIN 360 NM
E OF FRONT. SEAS 8 TO 13 FT OVER FORECAST WATERS NW OF A LINE FROM 
30N175W TO 18N160E. 
.12 HOUR FORECAST FRONT FROM 30N169W TO 26N174W TO 24N175E. WINDS 
S TO SW 20 TO 25 KT N OF 28N WITHIN 360 NM E OF FRONT. SEAS 8 TO 13 FT
OVER FORECAST WATERS NW OF A LINE FROM 30N169W TO 18N170E TO 16N160E. 
.24 HOUR FORECAST FRONT FROM 30N167W TO 27N173W TO 27N179W. ASSOCIATED
WINDS DIMINISHED TO 20 KT OR LESS. 
.36 HOUR FORECAST FRONT FROM 30N167W TO 27N173W. SEAS 8 TO 11 FT 
OVER FORECAST WATERS N AND NW OF A LINE FROM 30N166W TO 18N177W TO
18N160E. 
.48 HOUR FORECAST FRONT DISSIPATED. SEAS 8 TO 9 FT OVER FORECAST WATERS
NW OF A LINE FROM 30N162W TO 24N172W. 

.OTHERWISE WINDS NE TO SE 20 TO 25 KT WITHIN AN AREA BOUND BY 20N140W
08N140W 08N150W 00N160W 00N170W 05N179E 05N160E 15N160E 15N160W
18N150W 20N140W. 
.24 HOUR FORECAST WINDS NE TO E 20 TO 30 KT WITHIN AN AREA BOUND BY
20N140W 08N140W 08N160W 06N170W 06N160E 12N160E 15N165W 18N150W 
20N140W. 
.48 HOUR FORECAST WINDS NE TO E 20 TO 30 KT WITHIN AND AREA BOUND BY
18N150W 18N140W 08N140W 10N160W 05N175W 05N170E 08N160E 12N160E
16N175W 18N150W. 

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.OTHERWISE SEAS 8 TO 10 FT FROM 18N TO 08N BETWEEN 148W AND 140W AND
ALSO FROM 12N TO 04N BETWEEN 170E AND 165W. 
.24 HOUR FORECAST SEAS 8 TO 10 FT WITHIN AN AREA BOUND BY 16N140W
06N140W 06N160W 04N170W 04N160E 15N160E 12N179E 10N160W 10N155W
16N140W. 
.48 HOUR FORECAST SEAS 8 TO 10 FT WITHIN AN AREA BOUND BY 16N140W 
06N140W 06N155W 04N179W 04N165E 14N165E 20N177W 14N160E 16N140W. 

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA. 

.HIGH NEAR 29N168W 1019 MB. 

.RIDGE FROM 26N140W TO 22N144W. 

.RIDGE FROM 30N160W TO 22N175W.

.ITCZ FROM 06N140W TO 08N148W 06N157W 02N168W TO 04N176E TO 02N165E. 
ISOLATED MODERATE TSTMS WITHIN 150 NM EITHER SIDE OF CONVERGENCE LINE.

$$

.FORECASTER BEDAL. HONOLULU HI.


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