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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
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Date: Wed, 9 Mar 2022 03:50:04 +0000
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207 
FZPN40 PHFO 090349
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC WED MAR 09 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 09 2022.
24 HOUR FORECAST VALID 0000 UTC MAR 10 2022.
48 HOUR FORECAST VALID 0000 UTC MAR 11 2022.

.WARNINGS. 

...GALE WARNING...
.LOW JUST W OF FORECAST AREA NEAR 29N157W 1005 MB MOVING NE 45 KT.
WARM FRONT FROM LOW TO 29N165E TO 28N168E. WIND E 20 TO 30 KT 
OVER FORECAST WATERS N OF FRONT. WINDS SE TO S 20 TO 30 KT WITHIN
570 NM S AND SE OF FRONT. ASSOCIATED SEAS INCLUDED WITH SECOND COLD 
FRONT DESCRIBED IN FORECAST SECTION BELOW. 
.12 HOUR FORECAST LOW JUST N OF FORECAST AREA NEAR 31N167E 1005 MB.
COLD FRONT FROM LOW TO 27N160E. WARM FRONT N OF FORECAST AREA. 
WINDS S TO SW 30 TO 35 KT N OF 28N WITHIN 240 NM E OF COLD FRONT. 
WINDS SE TO SW 20 TO 30 KT ELSEWHERE WITHIN 480 NM E AND SE OF COLD
COLD FRONT. WINDS NW TO NE 20 TO 30 KT OVER FORECAST WATERS NW 
OF COLD FRONT. ASSOCIATED SEAS INCLUDED WITH SECOND COLD FRONT 
DESCRIBED IN FORECAST SECTION BELOW. 
.24 HOUR FORECAST LOW JUST N OF FORECAST AREA NEAR 32N177E 1007 MB.
FRONT FROM LOW TO 30N172E TO 26N166E TO 25N160E. WINDS S TO SW 20 
TO 30 KT N OF 26N WITHIN 510 NM E OF FRONT. WIDNS NW TO E 20 TO 30 
KT OVER FORECAST WATERS N OF 28N NW OF FRONT. 
.36 HOUR FORECAST LOW FAR N OF FORECAST AREA. FRONT FROM 30N178E TO
27N167E. WINDS SW 20 TO 25 KT N OF 27N WITHIN 360 NM E OF FRONT.
.48 HOUR FORECAST DISSIPATING FRONT FROM 30N175W TO 28N177E. 
ASSOCIATED WINDS DIMINISHED TO 20 KT OR LESS. 

.SYNOPSIS AND FORECAST.

.36 HOUR FORECAST NEW LOW JUST W OF FORECAST AREA NEAR 27N158W 
1004 MB. WARM FRONT FROM LOW TO 27N167E. WINDS E 20 TO 30 KT 
OVER FORECAST WATERS N OF FRONT. WINDS SW 20 TO 30 KT OVER FORECAST
WATERS SW OF FRONT. SEAS BUILDING TO 8 TO 10 FT OVER FORECAST 
WATERS N OF 22N W OF 170E. 
.48 HOUR FORECAST LOW NEAR 30N164E 1000 MB. COLD FRONT FROM LOW 
TO 28N160E. WARM FRONT N OF FORECAST AREA. WINDS SE TO SW 20 TO 
30 KT WITHIN 480 NM E AND SE OF FRONT. WINDS NW TO NE 20 TO 25 KT
OVER FORECAST WATERS W AND NW OF FRONT. SEAS 8 TO 12 FT OVER
FORECAST WATERS N OF 22N W OF 175E. 

.COLD FRONT FROM 30N172W TO 28N175W TO 25N178E THENCE A DISSIPATING
STATIONARY FRONT TO 24N168E. COLD FRONT MOVING E 20 KT N OF 25N AND
SE 10 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 30N168W TO 27N173W TO 25N178E. ASSOCIATED
WINDS DIMINISHED TO 20 KT OR LESS. SEAS 8 TO 13 FT OVER FORECAST
WATERS NW OF A LINE FROM 30N169W TO 18N170E TO 16N160E. 
.24 HOUR FORECAST FRONT FROM 30N164W TO 26N172W. SEAS 8 TO 11 FT 
OVER FORECAST WATERS N AND NW OF A LINE FROM 30N166W TO 18N177W TO
18N160E. 
.36 HOUR FORECAST FRONT DISSIPATED. SEAS 8 TO 9 FT OVER FORECAST WATERS
NW OF A LINE FROM 30N162W TO 24N172W. 
.48 HOUR FORECAST ASSOCIATED SEAS SUBSIDED TO 8 FT OR LOWER. 

.STATIONARY FRONT FROM 30N146W TO 25N149W. ASSOCIATED TROUGH FROM 
18N152W TO 25N149W MOVING NW 10 KT. WINDS SE TO S 20 TO 25 KT OVER 
FORECAST WATERS N OF 27N 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 23N158W TO 27N155W. 
ASSOCIATED WINDS DIMINISHED TO 20 KT OR LESS. 
.48 HOUR FORECAST TROUGH DISSIPATED. 

.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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