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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: Sat, 26 Mar 2022 22:33:54 +0000
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040 
FZPN40 PHFO 262233
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC SAT MAR 26 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 26 2022.
24 HOUR FORECAST VALID 1800 UTC MAR 27 2022.
48 HOUR FORECAST VALID 1800 UTC MAR 28 2022.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N178W TO 25N175E TO 20N166E TO 18N160E MOVING 
E 30 KT N OF 20N...AND NEARLY STATIONARY ELSEWHERE. N TO NE 
WINDS 20 TO 30 KT N OF FRONT E OF 170E...AND N OF 18N W OF 
170E. SCATTERED MODERATE TSTMS WITHIN 180 NM E OF FRONT.
.24 HOUR FORECAST FRONT FROM 30N178W TO 25N174W TO 23N175E. 
N TO NE WINDS 20 TO 25 KT N OF FRONT.
.48 HOUR FORECAST WEAKENING FRONT FROM 30N158W TO 25N165W. 
N TO NE WINDS 20 TO 25 KT N OF FRONT.

.TROUGH FROM 28N140W TO 22N151W MOVING SE 20 KT. 
.24 HOUR FORECAST TROUGH FROM 24N140W TO 23N146W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.RIDGE FROM 30N168W TO 27N177W MOVING NE 30 KT.

.RIDGE FROM 30N173E TO 28N177E MOVING E 20 KT. 

.NE TO E WINDS 20 TO 30 KT FROM 08N TO 22N BETWEEN 160W AND
175E...AND FROM 08N TO 18N W OF 175E. 
.24 HOUR FORECAST NE TO E WINDS 20 TO 30 KT FROM 08N TO 23N 
W OF 170W...AND FROM 23N TO 27N W OF 175E.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT N OF 20N BETWEEN
165W AND 175W...AND FROM 09N TO 22N W OF 175W.

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

.SEAS 8 TO 12 FT FROM 07N TO 23N BETWEEN 160W AND 170E...AND N
OF A LINE FROM 30N175E TO 23N170E TO 12N170E TO 12N160E.
.24 HOUR FORECAST SEAS 8 TO 12 FT FROM 10N TO 20N W OF 170W...AND
N OF A LINE FROM 30N172W TO 20N177E TO 20N160E.
.48 HOUR FORECAST SEAS 8 TO 12 FT NE OF A LINE FROM 30N147W TO
21N140W. SEAS 8 TO 11 FT N OF A LINE FROM 30N159W TO 10N179W TO 
10N160E...EXCEPT SEAS 8 FT OR LESS N OF A LINE FROM 30N178E TO 
25N160E.

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

.ISOLATED MODERATE TSTMS FROM 18N TO 22N BETWEEN 175W AND 179E.

.ITCZ FROM 05N140W TO 05N143W TO 01N151W TO 04N164W TO 07N171E TO
05N160E. ISOLATED MODERATE TO STRONG TSTMS WITHIN 150 NM OF ITCZ
W OF 175E...ISOLATED MODERATE TSTMS WITHIN 240 NM ELSEWHERE.

$$

.FORECASTER AHUE. HONOLULU HI.


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