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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, 4 Mar 2022 22:51:57 +0000
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659 
FZPN40 PHFO 042251
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC FRI MAR 04 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 04 2022.
24 HOUR FORECAST VALID 1800 UTC MAR 05 2022.
48 HOUR FORECAST VALID 1800 UTC MAR 06 2022.

.WARNINGS. 

...GALE WARNING... 
.COLD FRONT FROM 30N147W TO 26N149W TO 
25N154W TO 26N158W. WARM FROM 30N144W TO 26N141W. FRONTS NEARLY 
STATIONARY AND DISSIPATING. SE WINDS 30 TO 35 KT N OF 27N BETWEEN 
141W AND 144W. WINDS 20 TO 30 KT ELSEWHERE N OF LINE FROM 23N140W 
TO 24N146W TO 28N148W TO 29N154W. SCATTERED MODERATE TSTMS FROM 
25N TO 28N BETWEEN 142W AND 145W. ISOLATED MODERATE TSTMS WITHIN 
60 NM OF FRONTS E OF 150W. 
.24 HOUR FORECAST WEAK FRONT FROM 30N145W TO 24N145W TO 23N152W. 
SE WINDS 30 TO 35 KT N OF 28N E OF 143E. SE WINDS 20 TO 30 KT 
ELSEWHERE N OF LINE FROM 25N140W TO 28N145W. 
.48 HOUR FORECAST FRONT WEAKENED TO TROUGH FROM 30N143W TO 
21N144W. SE WINDS 20 TO 25 KT N OF 25N E OF 141W.

.SYNOPSIS AND FORECAST.

.TROUGH FROM 30N172E TO 24N162E TO 22N160E. NEARLY STATIONARY. NW
TO W WINDS 20 TO 25 KT N OF 28N BETWEEN 175E AND 165E. 
.24 HOUR FORECAST TROUGH ABSORBED BY FRONT FROM 30N172W TO 
24N177E TO 23N170E. WINDS DIMINISHED TO 20 KT OR LESS. 
.48 HOUR FORECAST FRONT FROM 30N163W TO 24N170W TO 23N180W. WINDS
20 TO 25 KT N OF FRONT E OF 173W. 

.TROUGH FROM 27N174E TO 16N165E NEARLY STATIONARY
.24 HOUR FORECAST TROUGH MERGED WITH FRONT MENTIONED DIRECTLY 
ABOVE.

.TROUGH FROM 30N172W TO 25N175W MOVING E 15 KT.
.24 HOUR FORECAST TROUGH FROM 30N166W TO 27N167W. 
.48 HOUR FORECAST TROUGH FROM 30N160W TO 28N161W. 

.TROUGH FROM 26N148W TO 21N150W TO 18N152W NEARLY STATIONARY AND
DISSIPATING. NUMEROUS TO SCATTERED MODERATE TSTMS FROM 17N TO 24N
BETWEEN 141W AND TROUGH. 
.24 HOUR FORECAST TROUGH DISSIPATED. 

.TROUGH FROM 14N153W TO 09N157W MOVING W SLOWLY. ISOLATED MODERATE
TSTMS WITHIN 90 NM OF TROUGH S OF 12N.
.24 HOUR FORECAST TROUGH DISSIPATED.

.24 HOUR FORECAST NEW TROUGH FROM 21N143W TO 15N146W. 
.48 HOUR FORECAST TROUGH MERGED WITH FRONT DESCRIBED IN THE GALE 
SECTION. 

.HIGH 26N170W 1018 MB MOVING E 10 KT. 
RIDGES FROM 30N164W TO HIGH TO SECOND HIGH 23N178W 1017 MB TO 
21N172E MB. RIDGE FROM FIRST HIGH TO 17N154W. RIDGES MOVING ENE 10
KT.
.24 HOUR FORECAST HIGH 26N167W 1018 MB. SECOND HIGH DISSIPATED. 
.48 HOUR FORECAST HIGH 28N150W 1015 MB.

.RIDGE FROM 24N140W TO 18N146W TO 16N151W MOVING E 10 KT. 

.RIDGE FROM 27N160E TO 27N164E MOVING ENE 25 KT. 

.48 HOUR FORECAST FRONT NEAR 30N160E. WINDS 20 TO 30 KT N OF 25N 
W OF 175E.

.SEAS 12 TO 15 FT N OF 28N BETWEEN 143W AND 157W. SEAS 8 TO 12 FT
ELSEWHERE N OF LINE FROM 24N140W TO 22N160W TO 24N165W. SEAS 8 TO
9 FT N OF 28N BETWEEN 170E AND 162E...AND FROM 08N TO 11 N BETWEEN
172W AND 177W. 
.24 HOUR FORECAST SEAS 8 TO 12 FT NE OF LINE FROM 20N140W TO 
30N168W. SEAS 8 TO 9 FT N OF 29N BETWEEN 176E AND 162E.
.48 HOUR FORECAST SEAS 8 TO 10 FT N OF 26N E OF 148W... AND N OF
26N BETWEEN 166W AND 180W. SEAS 8 TO 9 FT N OF LINE FROM 24N180W
TO 26N167E TO 30N165E. 

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS 8 FT OR LESS.

.ITCZ FROM 06N140W TO 07N155W TO 05N164W TO 06N180W TO 02N164E. 
SCATTERED MODERATE TSTMS WITHIN 150 NM OF ITCZ W OF 175E. ISOLATED
MODERATE TSTMS WITHIN 150 NM N OF ITCZ BETWEEN 175W AND 175E...AND
BETWEEN 152W AND 157W.

.SCATTERED MODERATE TSTMS S OF 02N W OF 164E.

$$

.FORECASTER ALMANZA. HONOLULU HI.


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