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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220214104740.B244A1C0EEE@weather.cod.edu>
Date: Mon, 14 Feb 2022 10:47:40 +0000
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238 
FZPN40 PHFO 141043
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC MON FEB 14 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC FEB 14 2022.
24 HOUR FORECAST VALID 0600 UTC FEB 15 2022.
48 HOUR FORECAST VALID 0600 UTC FEB 16 2022.

.WARNINGS. 

...GALE WARNING... 
.FRONT FROM 30N170W TO 19N180W TO 13N166E MOVING E 10 KT. W TO NW
WINDS 30 TO 40 KT N OF A LINE FROM 30N170E TO 27N176E TO 30N180W.
28N BETWEEN 176E AND 167E. W TO NW WINDS 20 TO 30 KT ELSEWHERE N 
OF A LINE FROM 30N165E TO 21N175E TO 21N180W TO 25N176W TO 
30N176W. S TO SW WINDS 20 TO 25 KT WITHIN 300 NM E OF FRONT N OF 
25N. ISOLATED MODERATE TSTMS WITHIN 90 NM E OF FRONT N OF 25N.
.24 HOUR FORECAST FRONT FROM 30N164W TO 25N166W TO 15N175E. W TO
NW WINDS 20 TO 25 KT N OF 28N BETWEEN 175W AND 166W. 
.48 HOUR FORECAST FRONT DISSIPATED.

...GALE WARNING...
.18 HOUR FORECAST NEW FRONT W OF AREA. SW WINDS 30 TO 35 KT N OF 
A LINE FROM 28N160E TO 30N165E. S TO SW WINDS 20 TO 30 KT 
ELSEWHERE N A ALINE FROM 25N160E TO 30N170E.
.24 HOUR FORECAST 30N163E TO 29N160E. SW WINDS 30 TO 35 KT N OF A
LINE FROM 28N160E TO 30N169E. S TO SW WINDS 20 TO 30 KT ELSEWHERE
E OF FRONT AND N OF A LINE FROM 25N160E TO 27N170E TO 30N174E. NW
WINDS 20 TO 30 KT NW OF FRONT.
.48 HOUR FORECAST FRONT FROM 30N178E TO 26N170E TO 23N160E. SW 
WINDS 20 TO 30 KT WITHIN 270 NM E OF FRONT N OF 28N. N TO NE WINDS
20 TO 30 KT WITHIN 150 NM NW OF FRONT.

.SYNOPSIS AND FORECAST.

.TROUGH FROM 29N157W TO 24N155W MOVING SW 10 KT. NE TO E WINDS 20
TO 25 KT N OF 26N BETWEEN 159W AND 153W. .06 HOUR FORECAST TROUGH
FROM. NE TO E WINDS 20 TO 25 KT FROM 25N TO 29N BETWEEN 159W AND 
155W. 
.24 HOUR FORECAST TROUGH DISSIPATED. 

.TROUGH FROM 28N149W TO 20N145W TO 12N148W MOVING SW 10 KT. E TO
SE WINDS 20 TO 30 KT NE OF A LINE FROM 30N149W TO 18N145W TO
18N140W. SCATTERED MODERATE TSTMS WITHIN 390 NM OF TROUGH N OF 
17N. ISOLATED MODERATE TSTMS WITHIN 90 NM OF TROUGH S OF 17N. 

.24 HOUR FORECAST TROUGH FROM 27N153W TO 20N148W TO 10N151W.
ASSOCIATED WINDS MENTIONED BELOW.
.48 HOUR FORECAST TROUGH FROM 30N155W TO 20N152W TO 10N158W.
ASSOCIATED WINDS MENTIONED BELOW.

.NE TO E WINDS 20 TO 25 KT FROM 11N TO 16N W OF 172E.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 06N TO 20N 
BETWEEN 167E AND 175W. E TO SE WINDS 20 TO 25 KT NE OF A LINE FROM
30N155W TO 15N140W.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 04N TO 18N 
BETWEEN 165E AND 165W. E TO SE WINDS 20 TO 25 KT NE OF A LINE FROM
30N153W TO 13N146W TO 12N140W.

.RIDGE FROM 30N161W TO 18N175W MOVING E SLOWLY. GRADUALLY ERODING
FROM THE SW.

.RIDGE FROM 28N160E TO 19N176E MOVING NE 25 KT.

.24 HOUR FORECAST NEW HIGH 26N178W 1018 MB. 
.48 HOUR FORECAST HIGH DISSIPATED. 

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

.SEAS 18 TO 24 FT N OF A LINE FROM 30N164E TO 26N170E TO 25N180W 
TO 30N170W. SEAS 12 TO 18 FT ELSEWHERE N OF A LINE FROM 18N160E TO
15N170E TO 20N175W TO 30N167W. SEAS 8 TO 12 FT ELSEWHERE N OF A 
LINE FROM 07N160E TO 14N180W TO 30N164W...AND N OF 25N BETWEEN 
160W AND 152W.
.24 HOUR FORECAST SEAS 12 TO 18 FT N OF A LINE FROM 27N160E TO 
13N170E TO 13N180W TO 30N156W. SEAS 8 TO 12 FT ELSEWHERE N OF A 
LINE FROM 05N160E TO 05N180W TO 08N170W TO 25N156W TO 25N144W TO 
30N144W.
.48 HOUR FORECAST SEAS 12 TO 14 FT N OF 28N BETWEEN 160E AND 
180W...AND IN AREA BOUNDED BY 30N174W 12N170E 08N172E 10N180W 
26N160W 26N147W 30N147W 30N174W. SEAS 8 TO 12 FT ELSEWHERE N OF A 
LINE FROM 03N160E TO 02N180W TO 05N164W TO 18N150W TO 12N140W. 

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

.ITCZ FROM 09N140W TO 10N146W TO 05N160W TO 07N180W TO 06N170E.
SCATTERED MODERATE TSTMS WITHIN 150 NM OF ITCZ W OF 170W. 

$$

.FORECASTER JELSEMA. HONOLULU HI.


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