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From: <ldm@weather.cod.edu>
Subject: North Pacific: High Seas Analysis
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Date: Sat, 8 Jan 2022 09:34:24 +0000
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903 
FZPN01 KWBC 080934
HSFEP1

HIGH SEAS FORECAST 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
ISSUED BY NATIONAL WEATHER SERVICE HONOLULU HI 
1030 UTC SAT JAN 08 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 08. 
24 HOUR FORECAST VALID 0600 UTC JAN 09. 
48 HOUR FORECAST VALID 0600 UTC JAN 10. 

.WARNINGS. 

...HURRICANE FORCE WIND WARNING... 
.LOW 38N179W 990 MB MOVING NE 40 KT AND INTENSIFYING. WITHIN 120 
NM SE AND 420 NM SW QUADRANTS WINDS 40 TO 55 KT. SEAS 20 TO 28 
FT. ELSEWHERE WITHIN 420 NM SE...780 NM SW...AND 720 NM NW 
QUADRANTS WINDS 25 TO 40 KT. SEAS 12 TO 20 FT. 
.24 HOUR FORECAST LOW 41N157W 968 MB. WITHIN 180 NM SW 
SEMICIRCLE WINDS 50 TO 65 KT. SEAS 26 TO 36 FT. ELSEWHERE WITHIN 
420 NM SE AND 360 NM SW QUADRANTS WINDS 40 TO 50 KT. SEAS 22 TO 
28 FT. ALSO WITHIN 600 NM SE...660 NM SW...AND 780 NM W 
QUADRANTS WINDS 25 TO 40 KT. SEAS 13 TO 24 FT. 
.48 HOUR FORECAST LOW 49N144W 980 MB. BETWEEN 240 NM AND 420 NM 
SE QUADRANT WINDS 40 TO 50 KT. SEAS 20 TO 30 FT. ELSEWHERE FROM 
41N TO 51N BETWEEN 132W AND 145W WINDS 25 TO 40 KT. SEAS 12 TO 
24 FT.

...STORM WARNING... 
.LOW 39N155W 982 MB MOVING NE 25 KT. WITHIN 360 NM NE...420 NM 
SE...AND 540 NM SW QUADRANTS WINDS 40 TO 50 KT. SEAS 16 TO 26 
KT. ELSEWHERE WITHIN 660 NM NE...600 NM SE...780 NM SW...AND 840 
NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS 12 TO 18 FT.  
.24 HOUR FORECAST LOW 49N149W 960 MB. WITHIN 120 NM S SEMICIRCLE 
AND WITHIN 180 NM NE OF A LINE FROM 51N145W TO 39N137W WINDS 40 
TO 50 KT. SEAS 16 TO 28 FT. ELSEWHERE WITHIN 660 NM NE...1320 NM 
SE...180 NM SW...AND 480 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS 
10 TO 20 FT.
.48 HOUR FORECAST LOW 56N151W 971 MB. NE OF A LINE FROM 60N148W 
TO 56N136W TO 47N130W WINDS 40 TO 55 KT. SEAS 18 TO 30 FT. 
ELSEWHERE WITHIN 480 NM NE AND 180 NM SE QUADRANTS AND N OF A 
LINE FROM 51N137W TO 38N126W WINDS 25 TO 40 KT. SEAS 11 TO 22 
FT. 
...GALE WARNING... 
.LOW 49N164W 971 MB MOVING W 10 KT. WITHIN 180 NM SE SEMICIRCLE 
AND WITHIN 480 NM NW AND N...540 NM NE...AND BETWEEN 660 NM AND 
1080 NM SE QUADRANTS WINDS 25 TO 40 KT. SEAS 9 TO 18 FT. 
.24 HOUR FORECAST LOW 49N170W 967 MB. WITHIN 540 NM NE...420 NM 
S...660 NM SW...AND 720 NM NW QUADRANTS WINDS 30 TO 45 KT. SEAS 
10 TO 21 FT. 
.48 HOUR FORECAST LOW 48N169W 963 MB. WITHIN 300 NM NE...1080 NM 
S...1260 NM SW...AND 780 NM NW QUADRANTS WINDS 30 TO 45 KT. SEAS 
10 TO 24 FT. 

...GALE WARNING... 
.LOW JUST NW OF AREA NEAR 53N165E 982 MB MOVING SW 05 KT. WITHIN 
840 NM NE...AND 360 NM S AND SW QUADRANTS WINDS 25 TO 35 KT. 
SEAS 8 TO 16 FT.  
.24 HOUR FORECAST LOW 51N163E 993 MB. WITHIN 660 NM SE AND S 
QUADRANTS WINDS 25 TO 35 KT. SEAS 10 TO 15 FT. 
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY LOW 
48N169W DESCRIBED ABOVE.

...GALE WARNING... 
.LOW 37N166E 1003 MB MOVING E 40 KT. WITHIN 480 NM SW QUADRANT 
WINDS 25 TO 35 KT. SEAS 11 TO 16 FT.
.24 HOUR FORECAST LOW 37N173W 999 MB. WITHIN 300 NM S AND 1140 
NM W QUADRANTS WINDS 25 TO 40 KT. SEAS 12 TO 19 FT.
.48 HOUR FORECAST LOW 40N153W 982 MB. WITHIN 660 NM SE AND 300 
NM SW QUADRANTS WINDS 30 TO 45 KT. SEAS 13 TO 23 FT.

...GALE WARNING... 
.LOW 57N144W 997 MB NEARLY STATIONARY. NE OF A FRONT FROM 
59N149W TO 56N136W WINDS 25 TO 35 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW DISSIPATED. FROM 56N TO 60N E OF 153W 
WINDS 20 TO 40 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST CONDITIONS ABSORBED BY LOW 56N151W DESCRIBED 
ABOVE.

...HEAVY FREEZING SPRAY WARNING... 
.MODERATE TO HEAVY FREEZING SPRAY NE OF A LINE FROM 57N162W TO 
59N174W TO 62N176W AND N OF 60N E OF 153W. ELSEWHERE LIGHT TO 
MODERATE FREEZING SPRAY N OF 59N E OF 153W AND NE OF A LINE FROM 
56N160W TO 61N177W. 
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 59N 
BETWEEN 152W AND 154W INCLUDING IN COOK INLET AND NE OF A LINE 
FROM 56N160W TO 57N170W TO 61N178W. ELSEWHERE LIGHT TO MODERATE 
FREEZING SPRAY N OF A LINE FROM 59N151W TO 55N162W TO 56N170W TO 
60N179W. 
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 59N 
BETWEEN 152W AND 154W INCLUDING IN COOK INLET AND N OF A LINE 
FROM 56N160W TO 55N169W TO 60N180W. ELSEWHERE LIGHT TO MODERATE 
FREEZING SPRAY N OF A LINE FROM 59N151W TO 52N167W TO 54N175W TO 
58N177E. 

.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. 

.48 HOUR FORECAST W OF A LINE FROM 47N163E TO 34N170E AREA OF W 
TO NW WINDS 20 TO 30 KT. SEAS TO 11 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF A LINE FROM 
51N161E TO 49N167E AND WITHIN AN AREA BOUNDED BY A LINE FROM 
53N154W TO 51N145W TO 41N152W TO 53N154W. 
.24 HOUR FORECAST DENSE FOG WITHIN AN AREA BOUNDED BY A LINE 
FROM 52N177W TO 46N167W TO 50N176E TO 52N177W AND FROM 53N TO 
58N E OF 169W AND WITHIN 300 NM NW OF A LINE FROM 56N141W TO 
48N151W. 
.48 HOUR FORECAST DENSE FOG FROM 45N TO 54N BETWEEN 173W AND 
177E AND FROM 51N TO 59N BETWEEN 166W AND 173W. 

.HIGH 40N131W 1019 MB MOVING NE 30 KT. 
.24 HOUR FORECAST HIGH INLAND. 

.HIGH 32N129W 1019 MB MOVING SW 10 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.FORECASTER BELL. 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 SAT JAN 08.
24 HOUR FORECAST VALID 0600 UTC SUN JAN 09.
48 HOUR FORECAST VALID 0600 UTC MON JAN 10.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FROM 04N TO 16N BETWEEN 111W AND 122W AND FROM 06N TO 12N 
BETWEEN 122W AND 127W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN 
DECAYING NW TO N SWELL. 
.12 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 TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.06 HOUR FORECAST NW OF LINE FROM 30N138W TO 28N140W WINDS 20 KT 
OR LESS. SEAS 8 FT IN NW SWELL.
.18 HOUR FORECAST COLD FRONT JUST NW OF AREA. N OF 29N W OF 138W 
S WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.24 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 FT. N OF 29N 
W OF FRONT W TO NW WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. 
.36 HOUR FORECAST WEAKENING COLD FRONT FROM 30N133W TO 24N139W. 
W OF A LINE FROM 30N136W TO 27N140W WINDS 20 KT OR LESS. SEAS 8 
TO 12 FT IN NW SWELL...HIGHEST FAR NW.
.48 HOUR FORECAST DISSIPATING STATIONARY FRONT FROM 30N131W TO 
26N136W. LITTLE CHANGE.

.42 HOUR FORECAST TROUGH FROM 17N122W TO 13N125W TO 11N127W.
FROM 15N TO 18N BETWEEN 118W AND 122W NE TO E WINDS 20 TO 25 KT.
SEAS 8 FT.
.48 HOUR FORECAST TROUGH FROM 17N123W TO 13N126W TO 11N128W.
LITTLE CHANGE.

.WOLF VOLCANO LOCATED IN THE GALAPAGOS ISLANDS AT POSITION 00N 
91.3W IS CURRENTLY PRODUCING A PLUME OF VOLCANIC ASH THAT 
EXTENDS W TO NEAR 93W AND FROM 01S TO 01N. MARINERS TRAVELING 
OVER THESE WATERS ARE URGED TO EXERCISE CAUTION. ALTHOUGH THE 
PLUME IS BECOMING FAINT...IN THE EVENT MARINERS ENCOUNTER 
VOLCANIC ASH PLEASE REPORT THE OBSERVATION TO THE NATIONAL 
HURRICANE CENTER BY CALLING 1-305-229-4425.

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

CONVECTION VALID AT 0900 UTC SAT JAN 08...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

THE MONSOON TROUGH AXIS EXTENDS FROM LOW PRES OVER COLOMBIA NEAR 
10N75W 1011 MB TO 10N86W TO 07N93W TO 07N100W. ITCZ EXTENDS FROM 
07N100W TO 07N108W TO 11N115W...WHERE IT PAUSES W OF A TROUGH 
THAT EXTENDS FROM 14N115W TO 10N119W. IT RESUMES W OF THE TROUGH 
AT 11N120W TO 10N125W WHERE IT PAUSES W OF ANOTHER TROUGH THAT 
EXTENDS FROM 13N124W TO 05N126W. IT RESUMES W OF THE TROUGH AT 
10N127W TO BEYOND THE AREA AT 09N140W. SCATTERED MODERATE FROM 
09N TO 12N BETWEEN 125W AND 126W...WITHIN 30 NM S OF ITCZ 
BETWEEN 123W AND 125W AND WITHIN 30 NM OF ITCZ BETWEEN 127W AND 
129W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.


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