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From: <ldm@weather.cod.edu>
Subject: North Pacific: High Seas Analysis
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Date: Fri, 7 Jan 2022 10:22:03 +0000
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321 
FZPN01 KWBC 071021
HSFEP1

HIGH SEAS FORECAST 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
ISSUED BY NATIONAL WEATHER SERVICE HONOLULU HI 
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 0600 UTC JAN 07. 
24 HOUR FORECAST VALID 0600 UTC JAN 08. 
48 HOUR FORECAST VALID 0600 UTC JAN 09. 

.WARNINGS. 

...HURRICANE FORCE WIND WARNING...
.24 HOUR FORECAST LOW 38N180W 989 MB. WITHIN 120 NM S 
SEMICIRCLE...AND WITHIN 240 NM S QUADRANT WINDS 40 TO 50 KT. 
SEAS 18 TO 24 FT. ELSEWHERE S OF A LINE FROM 42N168E TO LOW 
CENTER TO 37N173W WINDS 25 TO 40 KT. SEAS 12 TO 24 FT.
.48 HOUR FORECAST LOW 40N159W 969 MB. WITHIN 120 NM SW 
SEMICIRCLE WINDS 55 TO 70 KT. SEAS 20 TO 32 FT. ALSO WITHIN 240 
NM S SEMICIRCLE...AND WITHIN 300 NM S QUADRANT WINDS 40 TO 55 
KT. SEAS 18 TO 25 FT. ELSEWHERE WITHIN 240 NM N...AND 600 NM S 
SEMICIRCLE WINDS 12 TO 21 FT. 

...STORM WARNING...
.LOW 36N179E 989 MB MOVING NE 50 KT. WITHIN 360 NM SW SEMICIRCLE 
WINDS 40 TO 50 KT. SEAS 22 TO 30 KT. ELSEWHERE WITHIN 120 NM N 
AND NE...660 NM SE...600 NM SW...AND 660 NM W QUADRANTS WINDS 25 
TO 40 KT. SEAS 15 TO 25 FT...EXCEPT WHERE DESCRIBED BELOW.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 39N154W 984 MB 
AND SECOND CENTER 44N151W 989 MB. WITHIN AREA BOUNDED BY A LINE 
FROM 45N172W TO MAIN CENTER TO SECOND CENTER TO 50N149W TO 
47N139W TO 36N140W TO 30N149W TO 30N149W TO 30N169W TO 45N172W 
WINDS 25 TO 40 KT. SEAS 12 TO 23 FT.
.48 HOUR FORECAST COMBINED LOW 48N149W 964 MB. WITHIN 180 NM S 
SEMICIRCLE...AND WITHIN 240 NM E QUADRANT WINDS 40 TO 50 KT. 
SEAS 17 TO 24 FT. ELSEWHERE WITHIN AREA BOUNDED BY A LINE FROM 
30N140W O 52N155W TO 56N130W TO 50N127W TO 34N130W TO 30N133W TO 
30N140W WINDS 25 TO 40 KT. SEAS 9 TO 22 FT.

...STORM WARNING...
.WITHIN 180 NM S AND SW OF A LINE FROM 60N151W TO 59N139W TO 
52N128W WINDS 20 TO 30 KT. SEAS TO 9 FT.
.24 HOUR FORECAST NEW LOW 57N146W 996 MB. WITHIN 240 NM N...AND 
BETWEEN 90 NM AND 420 NM E QUADRANTS WINDS 25 TO 40 KT. SEAS TO 
11 FT.
.48 HOUR FORECAST LOW DISSIPATED. WITHIN 120 NM N OF A LINE FROM 
57N154W TO 59N149W WINDS 40 TO 50 KT. SEAS 10 TO 16 FT. 
ELSEWHERE N OF 56N E OF 156W WINDS 25 TO 40 KT. SEAS 10 TO 18 FT.

...STORM WARNING...
.LOW 45N166W 976 MB MOVING NE 10 KT. BETWEEN 90 NM AND 240 NM S 
QUADRANT WINDS 40 TO 50 KT. SEAS 14 TO 23 FT. ELSEWHERE WITHIN 
AN AREA BOUNDED BY A LINE FROM 30N170W TO 50N170W TO 50N161W TO 
43N150W TO 30N163W WINDS 25 TO 40 KT. SEAS 10 TO 21 FT.
.24 HOUR FORECAST LOW 49N164W 971 MB. WITHIN 600 NM N AND 
NE...AND 360 NM SE...AND 420 NM SW QUADRANTS WINDS 25 TO 40 KT. 
SEAS 10 TO 21 FT.
.48 HOUR FORECAST LOW 49N168W 963 MB. WITHIN 840 NM N...240 NM 
NE...360 NM SE...540 NM S...720 NM SW...AND 540 NM W QUADRANTS 
WINDS 25 TO 40 KT. SEAS 10 TO 22 FT.

...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 45N128W 992 MB MOVING NE 20 KT AND 
SECOND CENTER 49N126W 991 MB MVOING E 15 KT. WITHIN AREA BOUNDED 
BY A LINE FROM 40N124W TO 36N131W TO 43N133W TO 54N133W TO 
50N122W TO 40N124W WINDS 25 TO 40 KT. SEAS 10 TO 17 FT.
.24 HOUR FORECAST LOW WELL INLAND. FROM 38N TO 50N E OF 130W 
WINDS LESS THAN 25 KT. SEAS 10 TO 14 FT IN MIXED SWELL.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

...GALE WARNING...
.LOW 44N178W 982 MB MOVING NE 25 KT. WITHIN 540 NM S...240 NM 
SW...AND 120 NM W QUADRANTS WINDS 25 TO 40 KT. SEAS 10 TO 18 
FT...EXCEPT WHERE DESCRIBED ABOVE.
.24 HOUR FORECAST LOW AND CONDTIONS ABSORBED BY LOW 49N164W 
DESCRIBED ABOVE.

...GALE WARNING...
.LOW 44N169E 982 MB MOVING E 20 KT. WITHIN 360 NM SE...420 NM 
SW...AND 120 NM W QUADRANTS WINDS 25 TO 40 KT. SEAS 10 TO 18 FT.
.24 HOUR FORECAST LOW 45N177W 992 MB. WITHIN 240 NM S QUADRANT 
WINDS TO 25 KT. SEAS 14 TO 18 FT.
.48 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS 
DIMINISHED.

...GALE WARNING...
.LOW 51N177W 973 MB MOVING NW 25 KT. WITHIN 600 NM N...540 NM 
NE...240 NM SE...AND 120 NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS 
10 TO 22 FT. ELSEWHERE N OF 51N W OF 178W WINDS TO 25 KT. SEAS 
12 TO 19 FT.
.24 HOUR FORECAST LOW 53N166E 982 MB. WITHIN 660 NM S...AND 240 
NM SW QUADRANTS...AND N OF 55N W OF 166W WINDS 25 TO 40 KT. SEAS 
10 TO 18 FT...EXCEPT WHERE DESCRIBED ABOVE.
.48 HOUR FORECAST LOW 50N164E 996 MB. W OF A LINE FROM LOW 
CENTER TO 40N180W WINDS 25 TO 40 KT. SEAS 10 TO 18 FT.

...GALE WARNING...
.LOW 53N171E 986 MB MOVING W 20 KT. WITHIN 180 NM N SEMICIRCLE 
WINDS 25 TO 35 KT. SEAS 16 TO 24 FT.
.24 HOUR FORECAST LOW DISSIPATED W OF AREA. ASSOCIATED 
CONDITIONS DIMINISHED.

...GALE WARNING...
.24 HOUR FORECAST LOW 36N165E 1006 MB. WITHIN 480 NM SW QUADRANT 
WINDS 25 TO 40 KT. SEAS 10 TO 21 FT.
.48 HOUR FORECAST LOW 36N179E 1000 MB. WITHIN 660 NM SW 
SEMICIRCLE WINDS 25 TO 40 KT. SEAS 10 TO 18 FT.

...HEAVY FREEZING SPRAY WARNING... 
.MODERATE TO HEAVY FREEZING SPRAY NE OF A LINE FROM 56N160W TO 
61N176W...AND OF 58N E OF 153W. 
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY NE OF A LINE 
FROM 56N161W TO 61N176W...AND WITHIN COOK INLET. 
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY NE OF A LINE 
FROM 56N161W TO 57N171W TO 60N178W...WITHIN COOK INLET...AND N 
OF 58N E OF 153W. 

.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 46N TO 58N 
BETWEEN 172W AND 162E. 
.24 HOUR FORECAST DENSE FOG WITHIN 120 NM N 51N W OF 180W...AND 
FROM 45N TO 52N BETWEEN 156W AND 144W. 
.48 HOUR FORECAST DENSE FOG FROM 48N TO 55N BETWEEN 178W AND 
143W. 

.HIGH 54N145W 1012 MB MOVING SE 25 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.HIGH 34N145W 1020 MB MOVING NE 30 KT.
.24 HOUR FORECAST HIGH 40N131W 1019 MB.
.48 HOUR FORECAST HIGH INLAND.

.HIGH 32N127W 1019 MB MOVING SW 10 KT.
.24 HOUR FORECAST HIGH S OF AREA.

.FORECASTER BYRD. 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 FRI JAN 07.
24 HOUR FORECAST VALID 0600 UTC SAT JAN 08.
48 HOUR FORECAST VALID 0600 UTC SUN JAN 09.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.SE OF A LINE FROM 30N124W TO 23N130W TO 21N140W TO ANOTHER LINE 
FROM 30N118W TO 18N113W TO 10N120W TO 05N140W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN NW TO N SWELL...HIGHEST NEAR 10N134W.
.12 HOUR FORECAST FROM 07N TO 15N BETWEEN 113W AND 118W...AND 
FROM 05N TO 14N BETWEEN 118W AND 125W WINDS 20 KT OR LESS. SEAS 
8 FT IN NW TO N SWELL.
.24 HOUR FORECAST FROM 04N TO 09N BETWEEN 113W AND 124W WINDS 20 
KT OR LESS. SEAS TO 8 FT IN DECAYING NW TO N SWELL. 
.30 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.

.30 HOUR FORECAST NW OF LINE FROM 30N138W TO 22N140W WINDS 20 KT 
OR LESS. SEAS 8 FT IN NW SWELL.
.42 HOUR FORECAST COLD FRONT TO APPROACH NW PART OF AREA. N OF 
26N W OF 137W WINDS 20 KT OR LESS. SEAS 8 FT IN NW SWELL.
.48 HOUR FORECAST COLD FRONT FROM 30N139W TO 27N140W. N OF 30N 
WITHIN 300 NM E OF FRONT S TO SW WINDS 20 TO 25 KT. SEAS TO 9 
FT. N OF 29N W OF FRONT W TO NW WINDS 20 TO 25 KT. SEAS 8 TO 10 
FT. 

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

CONVECTION VALID AT 0915 UTC FRI JAN 07...

.SCATTERED MODERATE WITHIN 30 NM OF 12N94W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH AXIS EXTENDS FROM LOW PRES OVER NORTHERN 
COLOMBIA NEAR 10N75W 1009 MB TO 10N86W TO 07N96W TO 09N110W TO 
08N127W. THE ITCZ CONTINUES FROM 08N127W TO BEYOND 09N140W. 
SCATTERED MODERATE WITHIN 60 NM OF THE ITCZ BETWEEN 112W AND 
126W AND WITHIN 30 NM S OF THE ITCZ BETWEEN 121W AND 124W.
SIMILAR ACTIVITY IS S OF THE ITCZ WITHIN 30 NM OF LINE FROM
05N103W TO 07N108W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.


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