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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: Fri, 25 Mar 2022 22:53:46 +0000
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999 
FZPN40 PHFO 252253
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC FRI MAR 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 25 2022.
24 HOUR FORECAST VALID 1800 UTC MAR 26 2022.
48 HOUR FORECAST VALID 1800 UTC MAR 27 2022.

.WARNINGS.

...GALE WARNING...
.FRONT FROM 30N168E TO 25N163E TO 23N160E MOVING E 30 KT. WINDS 20 
TO 30 KT OVER FORECAST WATERS N AND W OF FRONT. ISOLATED MODERATE
TSTMS WITHIN 180 NM S OF FRONT W OF 163E.
.06 HOUR FORECAST FRONT FROM 30N172E TO 25N166E TO 21N160E. NW 
WINDS 25 TO 35 KT N OF 29N BETWEEN 165E AND 173E. WINDS 20 TO 30 
KT ELSEWHERE NW OF LINE FROM 30N180W TO 28N170E TO 21N160E.
.24 HOUR FORECAST FRONT FRONT FROM 30N178W TO 21N170E TO 18N160E.
N TO NE WINDS 20 TO 30 KT OVER FORECAST WATERS W OF FRONT. 
.48 HOUR FORECAST FRONT FROM 30N172W TO 24N180E TO 16N160E. 
MAINLY NE TO E WINDS 20 TO 30 KT N AND W OF FRONT.

.SYNOPSIS AND FORECAST.

.TROUGH FROM 28N168E TO 20N163E MOVING E 10 KT. WIDELY SCATTERED 
MODERATE TSTMS FROM 15N TO 20N BETWEEN 172E AND 160E. ELSEWHERE
ISOLATED MODERATE TSTMS WITHIN 60 NM OF TROUGH. 
.24 HOUR FORECAST TROUGH MERGED WITH FRONT DESCRIBED ABOVE IN THE
WARNING SECTION.

.FRONT FROM 30N146W TO 28N152W MOVING E 20 KT. TROUGH FROM 
27N145W TO 22N152W NEARLY STATIONARY AND DISSIPATING. 
.24 HOUR FORECAST FRONT FROM 29N140W TO 27N142W TO 27N152W. 
SECOND FRONT FROM 30N143W TO 27N147W TO 27N155W. WINDS 20 TO 25 KT
N OF FRONTS. 
.48 HOUR FORECAST FRONT MOVED E OF FORECAST AREA. SECOND FRONT 
FROM 25N140W TO 22N155W. WINDS EASED TO 20 KT OR LESS.

.RIDGE FROM 28N160E TO 27N164E MOVING E 30 KT.

.RIDGE FROM 30N173W TO 26N168E MOVING E 15 KT. 

.RIDGE FROM 30N169W TO 27N157W TO 27N147W MOVING ESE 10 KT.

.RIDGE FROM 28N140W TO 28N144W MOVING SE 10 KT. 

.NE TO E WINDS 20 TO 30 KT FROM 07N TO 24N BETWEEN 155W AND 171E.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 07N TO 22N 
BETWEEN 153W AND 170E.
.48 HOUR FORECAST E TO NE WINDS 20 TO 25 KT ELSEWHERE FROM 08N TO
20N W 180W. NE WINDS 20 TO 25 KT FROM 08N TO 14N E OF 143W. 

.WINDS 20 KT OR LESS REST OF FORECAST AREA.

.SEAS MAINLY 8 TO 12 FT FROM 04N TO 24N BETWEEN 152W AND 163E. 
.24 HOUR FORECAST SEAS 8 TO 12 FT W OF LINE FROM 30N178E TO 
13N168E. SEAS 8 TO 11 FT FROM 06N TO 24N BETWEEN 160W AND 172E. 
.48 HOUR FORECAST SEAS 8 TO 12 FT W OF LINE FROM 30N170W TO 
20N180W TO 08N180W...AND N OF LINE FROM 26N140W TO 26N147W. SEAS 8
TO 9 FT FROM 10N TO 20N BETWEEN 166W AND 180W. 

.SEAS 8 FT OR LESS REST OF FORECAST AREA.

.ITCZ FROM 07N140W TO 05N152W TO 05N170E TO 03N160E. ISOLATED 
MODERATE TSTMS WITHIN 180 NM N...AND 60 NM S...OF ITCZ.


$$

.FORECASTER ALMANZA. HONOLULU HI.


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