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From: <ldm@weather.cod.edu>
Subject: North Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
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Date: Wed, 23 Feb 2022 04:28:48 +0000
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649 
FZPN01 KWBC 230428
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC WED FEB 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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. 

ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE 
NATIONAL WEATHER SERVICE. EMAIL US AT 
VOSOPS@NOAA.GOV(LOWERCASE).

SECURITE

PACIFIC N OF 30N AND S OF 67N E OF A LINE FROM BERING STRAIT 
TO 50N 160E

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 0000 UTC FEB 23. 
24 HOUR FORECAST VALID 0000 UTC FEB 24.
48 HOUR FORECAST VALID 0000 UTC FEB 25.

.WARNINGS.

...STORM WARNING...
.COMPLEX LOW WITH FIRST CENTER 48N168E 959 MB MOVING NE 05 KT
AND
SECOND CENTER 45N162E 966 MB MOVING E 15 KT AND THIRD CENTER
51N1160E 959 MB MOVING SE 20 KT. BETWEEN 180 NM AND 840 NM S
QUADRANT OF FIRST CENTER...WITHIN 600 NM S QUADRANT OF SECOND
CENTER AND WITHIN 180 NM N SEMICIRCLE OF THIRD CENTER WINDS 35 TO
50 KT. SEAS 20 TO 36 FT...HIGHEST NEAR 38N170W. ELSEWHERE WITHIN
300 NM SE AND 1020 NM S QUADRANTS OF FIRST CENTER AND 300 NM N
AND W SEMICIRCLES OF THIRD CENTER AND FROM 34N TO 44N W OF 175W
WINDS 25 TO 40 KT. SEAS 11 TO 27 FT IN MIXED SWELL...HIGHEST S OF
FIRST AND SECOND CENTERS. ALSO WITHIN 540 NM N AND 1080 NM S
SEMICIRCLES OF FIRST CENTER WINDS TO 25 KT. SEAS 8 TO 18 FT.
.24 HOUR FORECAST COMBINED LOW 50N170W 963 MB. FROM 33N TO 47N W
OF 172W AND WITHIN 360 NM SW QUADRANT WINDS 30 TO 45 KT. SEAS 15
TO 30 FT. ELSEWHERE FROM 30N TO 53N W OF 172W AND WITHIN 360 NM W
SEMICIRCLE WINDS 20 TO 30 KT. SEAS 13 TO 27 FT.
.48 HOUR FORECAST LOW 52N179W 974 MB. FROM 35N TO 50N W OF 167W
WINDS 25 TO 40 KT. SEAS 12 TO 27 FT. ELSEWHERE WITHIN 480 NM N
QUADRANT AND FROM 30N TO 52N W OF 165W WINDS 20 TO 30 KT. SEAS 9
TO 20 FT...HIGHEST S OF 48N.

...GALE WARNING...
.LOW 53N179E 975 MB MOVING NW 20 KT. FRONT EXTENDS FROM LOW TO
44N166W TO 38N167W TO 30N177W. WITHIN 300 NM NE SEMICIRCLE AND
WITHIN 240 NM E AND SE OF FRONT WINDS 25 TO 40 KT. SEAS 12 TO 21
FT.
.24 HOUR FORECAST LOW NW OF AREA WITH NEW LOW TO FORM NEAR
57N177W 964 MB. WITHIN 360 NM N SEMICIRCLE AND 240 NM SE QUADRANT
WINDS 25 TO 35 KT. SEAS 10 TO 18 FT.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS NW OF AREA.

...GALE WARNING...
.LOW 59N148W 1017 MB MOVING NW 10 KT. WITHIN 420 NM E QUADRANT
WINDS 25 TO 40 KT. SEAS 8 TO 13 FT. ELSEWHERE WITHIN 420 NM S AND
540 NM E AND 180 NM N QUADRANTS WINDS TO 25 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

...GALE WARNING...
.LOW 42N154W 1004 MB MOVING NE 30 KT. WITHIN 540 NM E AND NE
QUADRANTS AND 240 NM S QUADRANT WINDS 25 TO 40 KT. SEAS 10 TO 18
FT.
ELSEWHERE WITHIN 780 NM NE SEMICIRCLE AND 420 NM S QUADRANT WINDS
20 TO 30 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY NEW LOW 57N177W
DESCRIBED ABOVE.

...GALE WARNING...
.FROM 30N TO 53N BETWEEN 117W AND 137W WINDS 20 TO 30 KT. SEAS 8
TO 16 FT.
.06 HOUR FORECAST FROM 31N TO 45N BETWEEN 119W AND 129W WINDS 25
TO 35 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST FROM 30N TO 48N BETWEEN 117W AND 128W WINDS TO
25 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

...GALE WARNING...
.48 HOUR FORECAST NEW LOW 51N157W 972 MB. BETWEEN 540 NM AND 900
NM NE QUADRANT...AND WITHIN 960 NM SE AND 480 NM SW QUADRANTS
WINDS 30 TO 45 KT. SEAS 12 TO 24 FT...EXCEPT IN SW QUADRANT SEAS
18 TO 32 FT. ELSEWHERE WITHIN 1080 NM NE AND 1560 NM SE
QUADRANTS
WINDS TO 25 KT. SEAS 8 TO 13 FT.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 56N
BETWEEN 152W AND 163W AND FROM 52N TO 57N W OF 174W.
.24 HOUR FORECAST DENSE FOG FROM 47N TO 58N BETWEEN 148W AND
163W
AND FROM 47N TO 59N W OF 173W.
.48 HOUR FORECAST DENSE FOG FROM 46N TO 57N BETWEEN 137W AND
155W.

.HIGH 49N138W 1037 MB MOVING SE 15 KT.
.24 HOUR FORECAST HIGH 44N133W 1032 MB.
.48 HOUR FORECAST HIGH 40N129W 1032 MB.

.HIGH 30N159W 1023MB MOVING NE 25 KT.
.24 HOUR FORECAST HIGH 34N148W 1024 MB.
.48 HOUR FORECAST HIGH 34N132W 1030 MB.

.FORECASTER BANCROFT. OCEAN PREDICTION CENTER.

NWS NATIONAL HURRICANE CENTER MIAMI FL

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 0000 UTC WED FEB 23.
24 HOUR FORECAST VALID 0000 UTC THU FEB 24.
48 HOUR FORECAST VALID 0000 UTC FRI FEB 25.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 29N117W TO 28N120W TO 28N123W TO 30N125W TO 30N117W TO
29N117W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW TO N SWELL.
.24 HOUR FORECAST WITHIN 29N115W TO 29N116W TO 30N116W TO 
29N115W NW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN NW SWELL. 
ELSEWHERE WITHIN 28N115W TO 27N118W TO 28N128W TO 30N132W TO 
30N116W TO 28N115W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW TO 
N SWELL.
.48 HOUR FORECAST WITHIN 13N123W TO 13N126W TO 14N129W TO 
15N127W TO 15N124W TO 13N123W NE WINDS 20 TO 25 KT. SEAS 10 FT IN
N SWELL. ELSEWHERE WITHIN 12N115W TO 05N140W TO 30N140W TO 
25N132W TO 29N117W TO 12N115W WINDS 20 KT OR LESS. SEAS 8 TO 11 
FT IN N TO NE SWELL EXCEPT MIXED E AND NE SWELL S OF 20N. 

.WITHIN 10N86W TO 10N89W TO 12N87W TO 11N87W TO 11N86W TO
10N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 30
KT. SEAS LESS THAN 8 FT.
.21 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST WITHIN 10N86W TO 10N89W TO 12N88W TO 11N87W TO
11N86W TO 10N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.39 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.WITHIN 07N128W TO 05N140W TO 22N140W TO 16N130W TO 16N117W TO
07N128W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED NE AND E 
SWELL.
.24 HOUR FORECAST WITHIN 24.5N140W TO 15N115.5W TO 06.5N134W TO 
06N140W TO 24.5N140W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN 
MIXED N TO NE AND E SWELL.
.48 HOUR FORECAST CONDITIONS MERGED WITH AREA OF N SWELL 
DESCRIBED ABOVE.

.03 HOUR FORECAST GULF OF CALIFORNIA WITHIN 30N113W TO 30N114W 
TO 31N113W TO 30N113W SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST GULF OF CALIFORNIA WITHIN 29.5N113.5W TO 
29N113.5W TO 30N114.5W TO 30N114W TO 30N113W TO 29.5N113.5W W TO 
NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. N OF 31N NW WINDS 20 
TO 30 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST GULF OF CALIFORNIA WITHIN 24N108W TO 23N109W 
TO 28N112W TO 30N113W TO 27N110W TO 24N108W...INCLUDING GULF OF 
CALIFORNIA...NW WINDS 20 TO 25 KT. SEAS TO 8 FT.

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

CONVECTION VALID AT 0240 UTC WED FEB 23...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
A TROUGH EXTENDS FROM 10N74W TO 02N80W. THE ITCZ EXTENDS FROM 
05N87W TO 04.5N114W TO 07N120W TO BEYOND 07N140W. SCATTERED
MODERATE ISOLATED STRONG CONVECTION IS ALONG THE COLOMBIAN COAST
FROM 01.5N TO 06N E OF 79.5W. SCATTERED MODERATE CONVECTION IS 
FROM 06.5N TO 08.5N BETWEEN 126W-140W...AND FROM 12N TO 15.5N 
BETWEEN 113W-121W. 

 
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.

$$


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