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From: <ldm@weather.cod.edu>
Subject: North Pacific: High Seas Analysis
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Date: Fri, 7 Jan 2022 16:53:18 +0000
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265 
FZPN01 KWBC 071653 CCA
HSFEP1

HIGH SEAS FORECAST 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
ISSUED BY NATIONAL WEATHER SERVICE HONOLULU HI 
1630 UTC FRI JAN 07 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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. 

SECURITE 

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

SYNOPSIS VALID 1200 UTC JAN 07. 
24 HOUR FORECAST VALID 1200 UTC JAN 08. 
48 HOUR FORECAST VALID 1200 UTC JAN 09. 

.WARNINGS. 

...HURRICANE FORCE WIND WARNING...
.LOW JUST W OF AREA 34N159E 999 MB MOVING NE 50 KT AND 
INTENSIFYING. FROM 31N TO 34N W OF 163E WINDS 35 TO 50 KT. SEAS 
14 TO 18 FT. ELSEWHERE WITHIN 300 NM S AND 120 NM N SEMICIRCLES 
WINDS 25 TO 35 KT. SEAS 10 TO 15 FT.
.24 HOUR FORECAST LOW 38N175W 987 MB. WITHIN 180 NM S 
SEMICIRCLE...AND WITHIN 240 NM S QUADRANT WINDS 40 TO 50 KT. 
SEAS 18 TO 27 FT. ELSEWHERE S OF A LINE FROM 41N175E TO 38N168W 
WINDS 25 TO 40 KT. SEAS 12 TO 23 FT. 
.48 HOUR FORECAST LOW 41N155W 967 MB. WITHIN 180 NM S AND SW 
QUADRANTS WINDS 55 TO 70 KT. SEAS 23 TO 38 FT. ALSO WITHIN 240 
NM SE...300 NM S AND 150 NM W QUADRANTS WINDS 40 TO 55 KT. SEAS 
18 TO 30 FT. ELSEWHERE WITHIN 120 NM N AND 600 NM S SEMICIRCLES 
AND ALSO WITHIN 420 NM E AND 300 NM W QUADRANTS WINDS 12 TO 27 
FT. 

...STORM WARNING... 
.LOW 36N173W 993 MB MOVING NE 40 KT. WITHIN 360 NM SW SEMICIRCLE 
WINDS 35 TO 50 KT. SEAS 18 TO 29 KT. ELSEWHERE S OF A LINE FROM 
40N174E TO LOW CENTER TO 35N166W WINDS 25 TO 40 KT. SEAS 15 TO 
25 FT...EXCEPT WHERE DESCRIBED BELOW. 
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 41N152W 974 MB. 
WITHIN 360 NM E AND SE AND 540 NM S QUADRANTS WINDS 35 TO 45 KT. 
SEAS 16 TO 23 FT. ELSEWHERE FROM 30N TO 46N BETWEEN 140W AND 
155W AND WITHIN 660 NM SW QUADRANT WINDS 25 TO 40 KT. SEAS 10 TO 
20 FT. 
.48 HOUR FORECAST LOW 51N149W 957 MB. WITHIN 180 NM S AND 300 NM 
E QUADRANTS WINDS 40 TO 50 KT. SEAS 16 TO 31 FT. ELSEWHWERE  
SEMICIRCLE...AND WITHIN 240 NM E QUADRANT WINDS 40 TO 50 KT. 
SEAS 17 TO 24 FT. ELSEWHERE N OF 47N E OF 156W...WITHIN 840 NM E 
QUADRANT AND WITHIN 240 NM NE AND E OF A LINE FROM 45N137W TO 
30N134W WINDS 25 TO 40 KT. SEAS 10 TO 24 FT. 

...STORM WARNING... 
.WITHIN 180 NM NE OF A LINE FROM 59N153W TO 54N142W TO 49N133W 
WINDS 20 TO 30 KT. SEAS TO 12 FT. 
.24 HOUR FORECAST NEW LOW 58N146W 996 MB. WITHIN 180 NM N 
SEMICIRCLE AND 300 NM E QUADRANT WINDS 25 TO 40 KT. SEAS 8 TO 16 
FT.
.36 HOUR FORECAST LOW 58N148W 988 MB. WITHIN 150 NM N SEMICIRCLE 
WINDS 35 TO 50 KT. SEAS 14 TO 19 FT.
.48 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS MERGED WITH LOW 
51N149W ABOVE.

...GALE WARNING... 
.LOW 46N164W 972 MB MOVING NE 15 KT THEN TURNING NW AFTER 12 
HOURS. WITHIN 480 NM N AND NE...300 NM SE AND 180 NM SW 
QUADRANTS AND WITHIN 360 NM E OF A FRONT FROM 43N160W TO 40N159W 
TO 30N165W WINDS 25 TO 40 KT. SEAS 10 TO 21 FT.
.24 HOUR FORECAST LOW 50N167W 970 MB. WITHIN 300 NM OF LOW AND 
WITHIN 600 NM N AND 420 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS 
10 TO 22 FT. 
.48 HOUR FORECAST LOW 49N170W 964 MB. BETWEEN 120 NM AND 720 NM 
N AND NW QUADRANTS AND FROM 40N TO 48N BETWEEN 164W AND 170E 
WINDS 30 TO 45 KT. SEAS 10 TO 22 FT. 

...GALE WARNING... 
.LOW INLAND NEAR 49N123W 990 MB MOVING NE 20 KT. WITHIN 240 NM W 
AND 420 NM S QUADRANTS WINDS 25 TO 35 KT. SEAS 10 TO 17 FT. 
.24 HOUR FORECAST LOW WELL INLAND. FROM 39N TO 49N E OF 134W 
WINDS LESS THAN 25 KT. SEAS 8 TO 11 FT IN MIXED SWELL. 
.36 HOUR FORECAST CONDITIONS DIMINISHED. 

...GALE WARNING... 
.LOW 43N174W 982 MB MOVING NE 25 KT. WITHIN 300 NM SW SEMICIRCLE 
AND 420 NM SW QUADRANT WINDS 25 TO 40 KT. SEAS 10 TO 19 FT... 
EXCEPT WHERE DESCRIBED ABOVE. 
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 50N167W 
DESCRIBED ABOVE. 

...GALE WARNING... 
.LOW 44N173E 990 MB MOVING SE 25 KT. WITHIN 420 NM S AND 300 NM 
W QUADRANTS WINDS 25 TO 40 KT. SEAS 10 TO 20 FT. 
.24 HOUR FORECAST LOW 43N175W 989 MB. WITHIN 240 NM S AND 420 NM 
W QUADRANTS WINDS 20 TO 30 KT. SEAS 10 TO 16 FT. 
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY LOW 
41N155W ABOVE. 

...GALE WARNING... 
.LOW 52N180W 977 MB MOVING NW 25 KT THEN TURNING MORE SW IN 12 
HOURS. WITHIN 300 NM NE...AND 540 NM N QUADRANTS WINDS 25 TO 40 
KT. SEAS 10 TO 21 FT. ELSEWHERE N OF 51N W OF 173W WINDS TO 25 
KT. SEAS 10 TO 17 FT. 
.24 HOUR FORECAST LOW 52N164E 987 MB. WITHIN 540 NM S QUADRANT 
WINDS 25 TO 35 KT. SEAS 10 TO 15 FT.
.48 HOUR FORECAST LOW 50N162E 999 MB. WITHIN 300 NM SE AND 180 
NM SW QUADRANTS EXCEPT WHERE DESCRIBED ABOVE...WINDS 20 TO 30 
KT. SEAS 9 TO 14 FT. 

...GALE WARNING... 
.LOW 53N170E 986 MB MOVING W 15 KT. WITHIN 300 NM N AND 360 NM W 
QUADRANTS WINDS 25 TO 35 KT. SEAS 14 TO 19 FT. 
.24 HOUR FORECAST LOW DISSIPATED W OF AREA. ASSOCIATED 
CONDITIONS DIMINISHED. 

...GALE WARNING... 
.24 HOUR FORECAST LOW 36N168E 1005 MB. WITHIN 300 NM S AND 480 
NM W QUADRANTS WINDS 25 TO 40 KT. SEAS 10 TO 19 FT. 
.48 HOUR FORECAST LOW 36N171W 994 MB. WITHIN 900 NM W QUADRANT 
AND 360 NM S QUADRANT WINDS 25 TO 40 KT. SEAS 10 TO 20 FT. 

...HEAVY FREEZING SPRAY WARNING... 
.MODERATE TO HEAVY FREEZING SPRAY NE OF A LINE FROM 57N160W TO 
58N170W TO 62N175W AND N OF 60N E OF 153W. LIGHT TO MODERATE 
FREEZING SPRAY ELSEWHERE NE OF A LINE FROM 53N132W TO 58N140W TO 
59N148W TO 59N153W AND NE OF A LINE FROM 56N160W TO 61N177W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 59N 
BETWEEN 152W AND 154W AND NE OF A LINE FROM 56N160W TO 57N170W 
TO 61N177W. LIGHT TO MODERATE FREEZING SPRAY ELSEWHERE NE OF A 
LINE FROM 57N136W TO 60N147W AND N OF A LINE FROM 59N152W TO 
55N161W TO 56N170W TO 61N178W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 59N 
BETWEEN 152W AND 154W AND N OF A LINE FROM 56N160W TO 54N167W TO 
60N179W. LIGHT TO MODERATE FREEZING SPRAY ELSEWHERE N OF A LINE 
FROM 59N152W TO 53N167W TO 59N180W. 

.SYNOPSIS AND FORECAST. 

.SEMISOPOCHNOI VOLCANO (AT POSITION 51.6N 179.4E) LOCATED 140 
NAUTICAL MILES W OF ADAK ISLAND IS CURRENTLY EXPERIENCING LOW 
LEVEL ERUPTIVE ACTIVITY. GIVEN THE RECENT HISTORY OF ERUPTIVE 
ACTIVITY AT THE VOLCANO...ADDITIONAL EMISSIONS MAY OCCUR AT ANY 
TIME. MARINERS ENCOUNTERING VOLCANIC ASH OR FLOATING VOLCANIC 
DEBRIS ARE ENCOURAGED TO REPORT THE OBSERVATION TO THE OCEAN 
PREDICTION CENTER BY CALLING 301 683 1520. 

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 47N TO 49N 
BETWEEN 150W AND 170W AND WITHIN 240 NM NE OF A LINE FROM 
49N177W TO 55N171E AND ALSO FROM 49N TO 51N BETWEEN 170E 
AND 165E. 
.24 HOUR FORECAST DENSE FOG FROM 51N TO 53N BETWEEN 133W AND 
152W...WITHIN 180 NM NE OF A LINE FROM 51N149W TO 43N154W...FROM 
47N TO 52N BETWEEN 166W AND 176W...WITHIN 120 NM N OF A LINE 
FROM 49N177W TO 55N172E AND FROM 49N TO 53N BETWEEN 167E AND 
163E. 
.48 HOUR FORECAST DENSE FOG FROM 48N TO 55N BETWEEN 178W AND 
143W. 

.HIGH 53N144W 1012 MB MOVING SE 25 KT. 
.24 HOUR FORECAST HIGH DISSIPATED. 

.HIGH 34N142W 1020 MB MOVING NE 30 KT. 
.24 HOUR FORECAST HIGH 40N137W 1021 MB. 
.48 HOUR FORECAST HIGH INLAND. 

.HIGH 30N130W 1019 MB MOVING SW 10 KT. 
.24 HOUR FORECAST HIGH S OF AREA. 

.FORECASTER BANCROFT. 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 1200 UTC FRI JAN 07.
24 HOUR FORECAST VALID 1200 UTC SAT JAN 08.
48 HOUR FORECAST VALID 1200 UTC SUN JAN 09.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FROM 06N TO 17N W OF 128W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT 
IN NW TO N SWELL. FROM 09N TO 20N BETWEEN 115W AND 127W WINDS 20 
KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL. 
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.FROM 10.5N TO 12N E OF 89W...INCLUDING THE GULF OF PAPAGAYO... 
NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.18 HOUR FORECAST NW OF LINE FROM 30N138W TO 22N140W WINDS 20 KT 
OR LESS. SEAS 8 FT IN NW SWELL.
.24 HOUR FORECAST N OF 25N W OF 137W WINDS 20 KT OR LESS. SEAS 8 
TO 9 FT IN NW SWELL.
.42 HOUR FORECAST COLD FRONT FROM 30N138W TO 27N140W. N OF 28N E 
OF FRONT TO 133W S TO SW WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. N OF 
29N W OF FRONT W TO NW WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. 
.48 HOUR FORECAST COLD FRONT FROM 30N135W TO 25N140W. N OF 28N E 
OF FRONT TO 131W S TO SW WINDS 20 TO 25 KT. SEAS 8 FT. N OF 28N 
W OF FRONT WINDS 20 KT OR LESS. SEAS 8 TO 10 FT...HIGHEST NEAR 
30N140W.

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

CONVECTION VALID AT 1500 UTC FRI JAN 07...

.SCATTERED MODERATE WITHIN 30 NM OF 12N94W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH AXIS EXTENDS FROM LOW PRESSURE OF 1010 MB 
THAT IS LOCATED OVER COLOMBIA NEAR 08N76W TO 10N86W TO 08N95W TO 
10N115W TO A 1010 MB LOW PRESSURE SITUATED NEAR 09N124W. THE 
ITCZ CONTINUES FROM 09N124W TO BEYOND 09N140W. SCATTERED 
MODERATE TO ISOLATED STRONG CONVECTION IS NOTED FROM 08N TO 11N 
BETWEEN 114W AND 124W.

$$
.FORECASTER GR/AM/MT. NATIONAL HURRICANE CENTER.


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