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From: <ldm@weather.cod.edu>
Subject: North Pacific: High Seas Analysis
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Date: Tue, 1 Feb 2022 09:41:18 +0000
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423 
FZPN01 KWBC 010941
HSFEP1

HIGH SEAS FORECAST 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
1030 UTC TUE FEB 01 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 0600 UTC FEB 01. 
24 HOUR FORECAST VALID 0600 UTC FEB 02. 
48 HOUR FORECAST VALID 0600 UTC FEB 03. 

.WARNINGS. 

...HURRICANE FORCE WIND WARNING... 
.LOW 41N180W 963 MB MOVING NE 25 KT. WITHIN 300 NM SE OF A FRONT 
EXTENDING FROM LOW CENTER TO 35N177E TO 30N172E WINDS 45 TO 60 
KT. SEAS 14 TO 27 FT. ELSEWHERE FROM 30N TO 43N BETWEEN 172W AND 
169E WINDS 30 TO 45 KT. SEAS 9 TO 18 FT. 
.06 HOUR FORECAST LOW 43N178W 952 MB. WITHIN 180 NM N...240 NM 
SE...AND 90 NM SW AND W QUADRANTS WINDS 55 TO 70 KT. SEAS 22 TO 
28 FT. 
.24 HOUR FORECAST LOW 50N176W 945 MB. WITHIN 180 NM NE AND 
E...240 NM SE...AND 180 NM S QUADRANTS OF MAIN CENTER WINDS 50 
TO 65 KT. SEAS 22 TO 38 FT. ELSEWHERE WITHIN 300 NM N...480 NM 
E...300 NM S...AND WITHIN 180 NM E AND SE OF A FRONT TO EXTEND 
FROM 49N163W TO 42N164W TO 36N165W TO 31N169W WINDS 35 TO 50 KT. 
SEAS 12 TO 24 FT. ALSO FROM 41N TO 54N BETWEEN 156W AND 
174E...AND FROM 30N TO 41N BETWEEN 156W AND 172W WINDS 25 TO 35 
KT. SEAS 8 TO 22 FT...HIGHEST WITHIN 300 NM W QUADRANT IN MIXED 
SWELL. 
.48 HOUR FORECAST COMBINED LOW 55N177E 957 MB. WITHIN 420 NM 
N...AND 240 NM NE QUADRANTS WINDS 35 TO 50 KT. SEAS 18 TO 28 FT. 
ELSEWHERE N OF 45N BETWEEN 165W AND 167E WINDS 25 TO 35 KT. SEAS 
9 TO 23 FT...HIGHEST WITHIN 480 NM SE QUADRANT IN S SWELL. 

...HURRICANE FORCE WIND WARNING...
.48 HOUR FORECAST LOW 39N179E 970 MB. WITHIN 180 NM E...240 NM 
SE...AND 180 NM SW QUADRANTS WINDS 50 TO 65 KT. SEAS 17 TO 27 
FT. ELSEWHERE WITHIN 300 NM E...420 NM SE...AND 300 NM SW 
QUADRANTS WINDS 35 TO 50 KT. SEAS 14 TO 24 FT. ALSO FROM 30N TO 
42N W OF 171W WINDS 25 TO 35 KT. SEAS 12 TO 22 FT.

...STORM WARNING... 
.LOW 50N172E 963 MB ROTATING NW TO W 25 KT. WITHIN 120 NM 
NE...AND 90 NM SW SEMICIRCLES WINDS 45 TO 60 KT. SEAS 18 TO 27 
FT. ELSEWHERE WITHIN 240 NM N AND E...AND 120 NM S AND W 
QUADRANTS...AND WITHIN 120 NM E OF A FRONT EXTENDING FROM 
46N176E TO 43N178E WINDS 30 TO 45 KT. SEAS 12 TO 19 FT. ALSO 
FROM 43N TO 53N BETWEEN 172W AND 166E WINDS 20 TO 30 KT. SEAS 9 
TO 18 FT IN MIXED SWELL. 
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NW OF AREA NEAR 
52N154E 979 MB AND SECOND CENTER 48N168E 979 MB. FROM 30N TO 54N 
W OF 174E WINDS 25 TO 35 KT. SEAS 10 TO 20 FT. 
.48 HOUR FORECAST MAIN CENTER WELL W OF AREA AND SECOND CENTER 
ABSORBED BY LOW 55N177E DESCRIBED ABOVE. 

...GALE WARNING... 
.LOW 54N166W 994 MB MOVING NW 15 KT. WITHIN 180 NM W SEMICIRCLE 
AND FROM 30N TO 52N BETWEEN 144W AND 173W WINDS 25 TO 40 KT. 
SEAS 10 TO 18 FT. 
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 59N169W 992 MB 
AND SECOND CENTER 58N147W 999 MB. N OF 57N W OF 140W AND FROM 
38N TO 56N BETWEEN 144W AND 155W WINDS 25 TO 40 KT. SEAS 9 TO 16 
FT. ELSEWHERE WITHIN 360 NM SE QUADRANT WINDS TO 25 KT. SEAS TO 
10 FT. 
.48 HOUR FORECAST MAIN LOW DISSIPATED AND SECOND LOW 59N142W 
1007 MB. WITHIN 120 NM N OF A LINE FROM LOW TO 57N135W WINDS 20 
TO 30 KT. SEAS 10 TO 14 FT. 

...GALE WARNING... 
.LOW 49N161E 968 MB MOVING E 10 KT. N OF 40N W OF 166E WINDS 25 
TO 40 KT. SEAS 9 TO 18 FT. 
.24 HOUR FORECAST LOW MERGED WITH LOW 52N154E DESCRIBED ABOVE. 

...GALE WARNING... 
.LOW 42N161W 1004 MB MOVING NE 30 KT. FROM 30N TO 43N BETWEEN 
143W AND 170W WINDS 25 TO 40 KT. SEAS 10 TO 20 FT. 
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY LOW 
58N147W DESCRIBED ABOVE. 

...GALE WARNING... 
.FROM 34N TO 42N BETWEEN 122W AND 130W AREA OF N TO NW WINDS 25 
TO 35 KT. SEAS 8 TO 14 FT. 
.24 HOUR FORECAST FROM 30N TO 42N BETWEEN 123W AND 132W AREA OF 
N TO NW WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. 
.48 HOUR FORECAST E OF A LINE FROM 41N130W TO 30N136W AREA OF N 
TO NW WINDS 20 TO 30 KT. SEAS 8 TO 14 FT. 

...GALE WARNING... 
.LOW 36N171E 989 MB MOVING NE 25 KT. FROM 30N TO 43N W OF 169E 
WINDS 25 TO 40 KT. SEAS 10 TO 20 FT. 
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 39N174W 984 MB 
AND SECOND CENTER 43N165W 991 MB. FROM 30N TO 41N BETWEEN 172W 
AND 172E WINDS 30 TO 45 KT. SEAS 13 TO 22 FT. 
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 54N165W 971 MB 
AND SECOND CENTER 44N159W 988 MB. FROM 30N TO 58N BETWEEN 139W 
AND 170W WINDS 30 TO 45 KT. SEAS 10 TO 22 FT...HIGHEST WITHIN 
720 NM S QUADRANT OF SECOND CENTER.  

...HEAVY FREEZING SPRAY WARNING... 
.MODERATE TO HEAVY FREEZING SPRAY N OF 60N W OF ALASKA. LIGHT TO 
MODERATE FREEZING SPRAY N OF 59N W OF ALASKA. 
.24 HOUR FORECAST LITTLE CHANGE 
.48 HOUR FORECAST LITTLE CHANGE. 

.SYNOPSIS AND FORECAST. 

.SEMISOPOCHNOI VOLCANO AT POSITION 51.6N 179.4E LOCATED 140 
NAUTICAL MILES W OF ADAK ISLAND REMAINS IN A STATE OF UNREST. 
LOW LEVEL ASH EMISSIONS ARE POSSIBLE. MARINERS SHOULD EXERCISE 
CAUTION. IF YOU ENCOUNTER VOLCANIC ASH OR FLOATING VOLCANIC 
DEBRIS YOU ARE ENCOURAGED TO REPORT THE OBSERVATION TO THE OCEAN 
PREDICTION CENTER BY CALLING 301 683 1520. 

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 45N BEWTEEN 
147W AND 173W...AND N OF 56N W OF 178W...AND FROM 49N TO 53N 
BETWEEN 172E AND 167E.
.24 HOUR FORECAST DENSE FOG N OF 56N E OF 151W...AND N OF 57N W 
OF 171W...AND FROM 47N TO 54N BETWEEN 146W AND 153W...AND FROM 
46N TO 54N BETWEEN 165W AND 178E.
.48 HOUR FORECAST DENSE FOG FROM 47N TO 57N BETWEEN 135W AND 
155W...AND N OF 52N BETWEEN 163W AND 173W...AND N OF 49N W OF 
178W. 

.HIGH 44N138W 1038 MB MOVING SE 05 KT.
.24 HOUR FORECAST HIGH 43N134W 1037 MB.
.48 HOUR FORECAST HIGH 41N132W 1034 MB. 

.FORECASTER FOLMER. OCEAN PREDICTION CENTER.

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 0600 UTC TUE FEB 1.
24 HOUR FORECAST VALID 0600 UTC WED FEB  2.
48 HOUR FORECAST VALID 0600 UTC THU FEB  3.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 10N86W TO 10N87W TO 12N87W TO 11N86W TO
10N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E WINDS 20 TO
25 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.WITHIN 21N131W TO 19N132W TO 22N140W TO 30N140W TO 30N133W TO
21N131W E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. 
.24 HOUR FORECAST WITHIN 21N135W TO 23N140W TO 30N140W TO 
30N136W TO 26N134W TO 21N135W E WINDS 20 TO 25 KT. SEAS 8 TO 11 
FT.
.48 HOUR FORECAST WITHIN 16N130W TO 15N135W TO 18N140W TO 
21N140W TO 20N136W TO 16N130W NE TO E WINDS 20 TO 25 KT. SEAS 9 
TO 10 FT. ELSEWHERE WITHIN 21N127W TO 13N128W TO 12N138W TO 
30N140W TO 29N116W TO 21N127W WINDS 20 KT OR LESS. SEAS 8 TO 10 
FT IN NW AND NE SWELL.

.12 HOUR FORECAST WITHIN 29N120W TO 29N124W TO 29N126W TO
30N127W TO 30N119W TO 29N120W NW TO N WINDS 20 TO 25 KT. SEAS 8
TO 9 FT.
.24 HOUR FORECAST WITHIN 29N121W TO 28N124W TO 28N126W TO 
30N131W TO 30N121W TO 29N121W N WINDS 20 TO 25 KT. SEAS 10 TO 14 
FT. ELSEWHERE WITHIN 27N119W TO 27N125W TO 27N130W TO 30N133W TO
30N118W TO 27N119W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN N TO
NE SWELL.
.48 HOUR FORECAST CONDITIONS MERGED. 

.36 HOUR FORECAST WITHIN 30N113W TO 29N114W TO 30N115W TO
32N115W TO 31N113W TO 30N113W...INCLUDING GULF OF CALIFORNIA...
NW TO N WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 27N111W TO 27N112W TO 30N115W TO
32N115W TO 31N113W TO 27N111W...INCLUDING GULF OF CALIFORNIA...
NW TO N WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 0840 UTC TUE FEB 1...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 07N77W TO 06N80W TO 04N95W. ITCZ FROM 04N95W
TO 04N101W TO 08N118W. IT RESUMES FROM 08N130W TO 08N140W. 
SCATTERED MODERATE ISOLATED STRONG FROM 10N TO 20N BETWEEN 125W 
AND 135W. 

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.


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