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From: <ldm@weather.cod.edu>
Subject: North Pacific: High Seas Analysis
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Date: Fri, 7 Jan 2022 04:21:25 +0000
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573 
FZPN01 KWBC 070421
HSFEP1

HIGH SEAS FORECAST 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
ISSUED BY NATIONAL WEATHER SERVICE HONOLULU HI 
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 0000 UTC JAN 07. 
24 HOUR FORECAST VALID 0000 UTC JAN 08. 
48 HOUR FORECAST VALID 0000 UTC JAN 09. 

.WARNINGS. 

...HURRICANE FORCE WIND WARNING...
.24 HOUR FORECAST LOW 36N172E 997 MB. WITHIN 180 NM SE...AND 240 
NM SW QUADRANTS WINDS 40 TO 50 KT. SEAS 12 TO 21 FT. ELSEWHERE S 
OF 53N W OF 180W WINDS 25 TO 40 KT. SEAS 10 TO 18 FT.
.48 HOUR FORECAST LOW 39N167W 970 MB. WITHIN 90 NM SW SEMICIRCLE 
WINDS 55 TO 65 KT. SEAS 17 TO 28 FT. ALSO WITHIN 240 NM S 
SEMICIRCLE...AND 120 NM W QUADRANT WINDS 40 TO 55 KT. SEAS 16 TO 
25 FT. ELSEWHERE WITHIN 120 NM NE...300 NM E...480 NM SE...720 
NM S...540 NM W...AND 240 NM NW QUADRANTS WINDS 25 TO 40 KT. 
SEAS 12 TO 24 FT

...STORM WARNING...
.LOW 43N179E 980 MB MOVING E 40 KT. BETWEEN 420 NM AND 720 NM SW 
QUADRANT WINDS 40 TO 50 KT. SEAS 18 TO 29 FT. ELSEWHERE 300 NM 
SE...1020 NM S...AND 960 NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS 
12 TO 26 FT.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 40N159W 986 MB 
AND NEW SECOND CENTER 45N154W 985 MB. WITHIN AREA BOUNDED BY A 
LINE FROM 30N177W TO 44N176W TO 41N159W TO 48N152W TO 45N140W TO 
30N151W TO 30N177W WINDS 25 TO 40 KT. SEAS 12 TO 25 FT.
.48 HOUR FORECAST COMBINED LOW 47N149W 968 MB. WITHIN 180 NM S 
SEMICIRCLE...AND WITHIN 240 NM E QUADRANT WINDS 40 TO 50 KT. 
SEAS 16 TO 24 FT. ELSEWHERE WITHIN AREA BOUNDED BY A LINE FROM 
30N154W TO 55N159W TO 56N146W TO 49N132W TO 30N132W WINDS 25 TO 
40 KT. SEAS 8 TO 19 FT.

...GALE WARNING...
.LOW 53N175E 982 MB MOVING W 10 KT. WITHIN 240 NM N QUADRANT 
WINDS 35 TO 45 KT. SEAS 18 TO 25 FT. ELSEWHERE N OF 54N W OF 
173W WINDS 25 TO 40 KT. SEAS 10 TO 21 FT.
.24 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS 
DIMINISHED.

...GALE WARNING...
.COMPLEX LOW MAIN CENTER 44N132W 995 MB MOVING NE 25 KT AND 
SECOND CENTER 50N128W 990 MB MOVING SE 15 KT. E OF A LINE FROM 
35N135W TO 52N137W WINDS 25 TO 40 KT. SEAS 8 TO 16 FT. ELSEWHERE 
WITHIN 180 NM S OF A LINE FROM 46N145W TO 40N134W WINDS 20 TO 30 
KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW INLAND NEAR 50N115W 988 MB. WITHIN 600 NM 
W QUADRANT WINDS 20 TO 30 KT. SEAS 10 TO 17 FT. ELSEWHERE FROM 
38N TO 50N E OF 133W WINDS LESS THAN 25 KT. SEAS 10 TO 17 FT IN 
MIXED SWELL.

...GALE WARNING...
.LOW 43N167W 980 MB. WITHIN 480 NM NE...720 NM SE...900 NM 
S...AND 300 NM W QUADRANTS WINDS 25 TO 40 KT. SEAS 12 TO 23 FT.
.24 HOUR FORECAST LOW 49N159W 969 MB. WITHIN 480 NM N AND 
NE...AND 300 NM NW QUADRANTS...AND WITHIN 360 NM S SEMICIRCLE 
WINDS 25 TO 40 KT. SEAS 10 TO 18 FT.
.48 HOUR FORECAST LOW 50N170W 970 MB. WITHIN 720 NM N...300 NM 
SE...AND 660 NM SW AND W QUADRANTS...AND NE OF A LINE FROM 
56N157W TO 56N154W TO 58N146W TO 49N130W WINDS 25 TO 40 KT. SEAS 
10 TO 21 FT...EXCEPT WHERE DESCRIBED ABOVE.

...GALE WARNING...
.LOW 49N175W 973 MB MOVING NW 25 KT. WITHIN 360 NM N...480 NM 
NE...AND 480 NM E QUADRANTS...AND WITHIN 240 NM S SEMICIRCLE 
WINDS 25 TO 40 KT. SEAS 10 TO 18 FT.
.24 HOUR FORECAST LOW 53N171E 979 MB. N OF 53N W OF 172W WINDS 
25 TO 40 KT. SEAS 8 TO 17 FT.
.48 HOUR FORECAST LOW 50N164E 990 MB. S OF A LINE FROM 52N160E 
TO 44N180W WINDS 25 TO 40 KT. SEAS 10 TO 18 FT...EXCEPT WHERE 
DESCRIBED BELOW WITH LOW 36N179E.

...GALE WARNING...
.LOW 45N167E 990 MB MOVING E 20 KT. WITHIN 360 NM SW QUADRANT 
WINDS 25 TO 35 KT. SEAS 11 TO 18 FT.
.24 HOUR FORECAST LOW 44N179E 994 MB. WITHIN 360 NM S SEMICIRCLE 
WINDS 20 TO 30 KT. SEAS 10 TO 18 FT.
.48 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS 
DIMINISHED.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 57N143W 998 MB. WITHIN 300 NM NE 
SEMICIRCLE...AND WITHIN COOK INLET WINDS 25 TO 35 KT. SEAS TO 9 
FT.
.48 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS ABSORBED 
BY LOW 50N170W DESRIBED ABOVE.

...GALE WARNING...
.48 HOUR FORECAST LOW 36N179E 1000 MB. WITHIN 360 NM S...AND 480 
NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS 12 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 31N130W 1020 MB MOVING SE 10 KT.
.24 HOUR FORECAST HIGH S OF AREA.

.HIGH 34N148W 1019 MB MOVING NE 20 KT.
.24 HOUR FORECAST HIGH 37N136W 1018 MB.
.48 HOUR FORECAST HIGH 45N124W 1020 MB.

.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 0000 UTC FRI JAN 07.
24 HOUR FORECAST VALID 0000 UTC SAT JAN 08.
48 HOUR FORECAST VALID 0000 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 10N132W.
.18 HOUR FORECAST FROM 06N TO 14N BETWEEN 118W AND 135W...AND 
FROM 09N TO 16N BETWEEN 113W AND 117W WINDS 20 KT OR LESS. SEAS 
8 FT IN NW TO N SWELL.
.24 HOUR FORECAST FROM 05N TO 09N BETWEEN 113W AND 125W WINDS 20 
KT OR LESS. SEAS TO 8 FT IN DECAYING NW TO N SWELL. 
.42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.FROM 10.5N TO 12N E OF 88W...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.
.48 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.

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

CONVECTION VALID AT 0315 UTC FRI JAN 07...

.SCATTERED MODERATE FROM 09N TO 13N BETWEEN 100W AND 105W AND 
WITHIN 30 NM OF 06N82W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH AXIS EXTENDS FROM LOW PRES OVER NORTHERN 
COLOMBIA NEAR 09N74W 1009 MB TO 10N87W TO 07N96W TO 07N102W. THE 
ITCZ CONTINUES FROM 07N102W TO 10N114W TO 09N124W AND TO BEYOND 
09N140W. SCATTERED MODERATE WITHIN 60 NM OF THE ITCZ BETWEEN 
113W AND 120W AND WITHIN 60 NM N OF THE ITCZ BETWEEN 123W AND 
128W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.


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