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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220313152458.7F9391C0EEF@weather.cod.edu>
Date: Sun, 13 Mar 2022 15:24:58 +0000
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953 
FZPN40 PHFO 131524
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC SUN MAR 13 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 13 2022.
24 HOUR FORECAST VALID 1200 UTC MAR 14 2022.
48 HOUR FORECAST VALID 1200 UTC MAR 15 2022.

.WARNINGS.

..GALE WARNING...
.TROUGH FROM 25N168E TO 21N160E MOVING ENE 25 KT. N TO NE WINDS 20
TO 30 KT FROM TROUGH TO 25N.
.24 HOUR FORECAST NEW LOW 28N174W 1015 MB. TROUGH FROM 30N170W TO 
LOW TO 24N176E TO 20N167E TO 20N160E. NE WINDS 25 TO 35 KT WITHIN 
150 NM NW OF TROUGH BETWEEN 180E AND 168E. NE TO E WINDS 20 TO 30 
KT ELSEWHERE WITHIN 180 NM N OF TROUGH W OF 176W.
.48 HOUR FORECAST LOW MOVED N OF AREA. FRONT FROM 30N161W TO 
27N164W TO 23N178W. NE TO E WINDS 20 TO 25 KT WITHIN 150 NM N OF 
FRONT W OF 168W.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N157W TO 25N174W TO 23N174E MOVING E 30 KT N OF 
25N...AND NEARLY STATIONARY ELSEWHERE. NE TO E WINDS 20 TO 25 KT
WITHIN 150 NM N OF FRONT W OF 169W. 
.24 HOUR FORECAST FRONT FROM 30N144W TO 28N150W TO 26N162W. WINDS
DIMINISHED TO 20 KT OR LESS.
.48 HOUR FORECAST DISSIPATING FRONT FROM 30N140W TO 29N148W. 

.NE TO E WINDS 20 TO 25 KT FROM 04N TO 18N BETWEEN 150W AND 163E.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 05N TO 19N BETWEEN 
152W AND 178E.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 04N TO 15N E OF 
180E.

.24 HOUR FORECAST NEW FRONT FROM 30N175E TO 27N169E.
.48 HOUR FORECAST FRONT DISSIPATED.

.RIDGE FROM 27N140W TO 26N163W MOVING E 10 KT...AND GRADUALLY 
ERODING FROM THE W. 

.RIDGE FROM 30N170E TO 29N160E MOVING E 25 KT.

.OTHERWISE...WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.

.SEAS 8 TO 12 FT N OF A LINE FROM 30N160W TO 21N180E TO 20N171E. 
SEAS 8 TO 10 FT FROM 03N TO 18N E OF 170E. 
.24 HOUR FORECAST SEAS 8 TO 12 FT N OF A LINE FROM 30N143W TO 
23N157W TO 19N168W TO 19N180E...AND WITHIN 90 NM OF A LINE FROM
26N180E TO 20N160E. SEAS 8 TO 10 FT FROM 03N TO 17N BETWEEN 150W
AND 169E. SEAS 8 TO 9 FT FROM 04N TO 14N E OF 150W. 
.48 HOUR FORECAST SEAS 8 TO 11 FT N OF A LINE FROM 17N140W TO 
17N151W TO 27N165W. SEAS 8 TO 10 FT FROM 04N TO 19N BETWEEN 154W 
AND 172E...AND FROM 04N TO 17N E OF 154W. SEAS 8 TO 9 FT FROM 22N
TO 27N BETWEEN 171W AND 169E. 

.OTHERWISE...SEAS 8 FT OR LOWER OVER REMAINDER OF FORECAST AREA.

.ISOLATED MODERATE TSTMS FROM 11N TO 18N E OF 149W.

.ITCZ FROM 04N140W TO 03N156W TO 06N180E TO 07N160E. SCATTERED
MODERATE TSTMS WITHIN 180 NM N OF ITCZ BETWEEN 169W AND 166E...AND 
S OF 12N W OF 166E.

$$

.FORECASTER HOUSTON. HONOLULU HI.


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