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From: <ldm@weather.cod.edu>
Subject: North Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
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Date: Thu, 13 Jan 2022 22:24:03 +0000
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449 
FZPN01 KWBC 132223
HSFEP1

HIGH SEAS FORECAST 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
2230 UTC THU JAN 13 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 1800 UTC JAN 13. 
24 HOUR FORECAST VALID 1800 UTC JAN 14. 
48 HOUR FORECAST VALID 1800 UTC JAN 15. 

.WARNINGS. 

...HURRICANE FORCE WIND WARNING... 
.LOW 38N178E 976 MB MOVING E 35 KT. WITHIN 120 NM S AND SW 
QUADRANTS WINDS 55 TO 70 KT. SEAS 16 TO 32 FT. ELSEWHERE WITHIN 
300 NM S AND SW QUADRANTS WINDS 40 TO 55 KT. SEAS 14 TO 28 FT. 
ELSEWHERE FROM 30N TO 40N BETWEEN 170W AND 170E...AND 240 NM N 
SEMICIRCLE WINDS 25 TO 40 KT. SEAS 10 TO 21 FT.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 38N163W 988 MB. FROM 
30N TO 42N BETWEEN 148W AND 170W WINDS 25 TO 40 KT. SEAS 10 TO 
25 FT...HIGHEST SW QUADRANT. 
.48 HOUR FORECAST LOW 42N153W 996 MB. WITHIN 480 NM SE AND 360 
NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 19 FT. 

...STORM WARNING... 
.LOW 53N156W 965 MB MOVING N 20 KT. WITHIN 300 NM SE 
QUADRANT...AND FROM 57N TO 61N BETWEEN 140W AND 154W WINDS 35 TO 
50 KT. SEAS 14 TO 28 FT. ELSEWHERE N OF 47N BETWEEN 164W AND 
136W WINDS 25 TO 40 KT. SEAS 10 TO 21 FT. 
.06 HOUR FORECAST LOW 55N155W 970 MB. WITHIN 120 NM N AND NE OF 
A LINE FROM 60N148W TO 57N138W WINDS 40 TO 55 KT. SEAS 13 TO 23 
FT. .24 HOUR FORECAST LOW INLAND OVER ALASKA. CONDITIONS 
DESCRIBED BELOW WITH LOW 52N142W. 

...STORM WARNING... 
.LOW 44N156W 988 MB MOVING NE 25 KT. WITHIN 480 NM S AND 420 NM 
SW QUADRANTS WINDS 25 TO 40 KT. SEAS 13 TO 23 FT. 
.24 HOUR FORECAST LOW 52N142W 976 MB. WITHIN 240 NM SW AND 300 
NM SE QUADRANTS WINDS 35 TO 50 KT. SEAS 16 TO 27 FT. ELSEWHERE 
FROM 44N TO 59N BETWEEN 128W AND 148W WINDS 25 TO 40 KT. SEAS 12 
TO 23 FT. 
.48 HOUR FORECAST LOW 58N136W 1006 MB. WITHIN 360 NM S QUADRANT 
WINDS 20 TO 30 KT. SEAS 10 TO 18 FT. 

..STORM WARNING... 
.24 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 42N167E 979 MB. FROM 
30N TO 48N W OF 179E WINDS 25 TO 40 KT. SEAS 9 TO 19 FT.. 
OTHERWISE WINDS 25 KT OR LESS W OF 164E FROM 40N TO 48N WITH 
SEAS 10 TO 15 FT.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 48N173E 964 MB.  
WITHIN 420 NM N AND 360 NM NW QUADRANTS...240 NM E OF FRONT FROM 
48N176W TO 40N175W WINDS 40 TO 55 KT. SEAS 12 TO 26 FT. 
ELSEWHERE FROM 30N TO 48N W OF 168W...AND FROM 48N TO 58N W OF 
173W WINDS 25 TO 40 KT. SEAS 10 TO 24 FT...HIGHEST NEAR 36N164E. 

...GALE WARNING...
.LOW 43N145W 1005 MB MOVING N 20 KT. FRONT FROM 48N144W TO LOW 
TO 33N150W. WITHIN 300 NM E OF FRONT WINDS 25 TO 40 KT. SEAS 9 
TO 19 FT.
.24 HOUR FORECAST LOW AND CONDITONS ABSORBED INTO LOW 52N142W 
DESCRIBED ABOVE.

...GALE WARNING... 
.COMPLEX LOW WITH MAIN LOW 47N166E 990 MB MOVING NW 15 KT. FRONT 
FROM 49N160E TO MAIN LOW TO SECOND LOW 43N171E 995 MB TO 
41N172E. WITHIN 120 NM OF SECOND LOW...AND 240 NM N OF FRONT W 
OF 168E  WINDS 25 TO 40 KT. SEAS 10 TO 21 FT. 
.24 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DESCRIBED 
ABOVE.  
...GALE WARNING... 
.24 HOUR FORECAST LOW 48N159E 979 MB. WITHIN 360 NM NE QUADRANT 
WINDS 25 TO 40 KT. SEAS 12 TO 18 FT. 
.48 HOUR FORECAST LOW DISSIPATED W OF THE AREA AND CONDITIONS 
DESCRIBED ABOVE WITH LOW 48N173E. 

...HEAVY FREEZING SPRAY WARNING... 
.MODERATE TO HEAVY FREEZING SPRAY N OF A LINE FROM 57N168W TO 
57N176W TO 59N180W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N 
OF 56N W OF 167W. 
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 58N W OF 
169W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF A LINE 
FROM 57N162W TO 56N177W TO 57N174E.. 
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 58N W OF 
168W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF A LINE 
FROM 58N167W TO 58N176W TO 59N179E. 

.SYNOPSIS AND FORECAST. 

.LOW 46N170W 993 MB MOVING SE 20 KT. WITHIN 240 NM SW QUADRANT 
AND N OF 52N BETWEEN 169W AND 178E WINDS 20 TO 30 KT. SEAS 8 TO 
15 FT. 
.24 HOUR FORECAST LOW DISSIPATED. N OF 57N W OF 173W WINDS 20 TO 
30 KT. SEAS 8 TO 13 FT. 
.42 HOUR FORECAST CONDITIONS MOVED W OF AREA. 

.LOW 47N125W 1017 MB MOVING NE 15 KT. WITHIN 300 NM SW QUADRANT 
WINDS TO 25 KT. SEAS 10 TO 16 FT. 
.24 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS 
DIMINISHED. 

.06 HOUR FORECAST FROM 35N TO 40N BETWEEN 122W AND 126W AREA OF 
N WINDS TO 25 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST FROM 35N TO 41N BETWEEN 123W AND 127W AREA OF 
N WINDS TO 25 KT. SEAS 8 TO 13 FT. 
.48 HOUR FORECAST CONDITIONS DIMINISHED. 

.24 HOUR FORECAST NEW LOW 53N164W 998 MB. WITHIN 180 NM SW 
QUADRANT WINDS TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW 55N154W 1009 MB. WITHIN 180 NM S AND SW 
QUADRANTS WINDS TO 25 KT. SEAS TO 9 FT. 

.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 49N TO 53N E 
OF 128W...AND N OF 55N BETWEEN 141W AND 160W...N OF 55N BETWEEN 
165W AND 174W...AND FROM 45N TO 51N W OF 170E. 
.24 HOUR FORECAST DENSE FOG N OF 50N E OF 129W...N OF 56N 
BETWEEN 167W AND 178W...AND N OF 49N W OF 163E. 
.48 HOUR FORECAST DENSE FOG FROM 43N TO 49N BETWEEN 135W AND 
148W...N OF 52N E OF 130W....AND FROM 47N TO 54N BETWEEN 171W 
AND 168E. 

.HIGH 39N130W 1031 MB MOVING NE 10 KT. 
.24 HOUR FORECAST HIGH 41N129W 1030 MB. 
.48 HOUR FORECAST HIGH DISSIPATED WITH NEW HIGH 41N131W 1028 MB. 

.FORECASTER ROWLAND. 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 1800 UTC THU JAN 13.
24 HOUR FORECAST VALID 1800 UTC FRI JAN 14.
48 HOUR FORECAST VALID 1800 UTC SAT JAN 15.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 17N117W TO 05N129W TO 04N140W TO 30N140W TO 30N117W TO 
17N117W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN W TO NW SWELL.
.24 HOUR FORECAST WITHIN 20N128W TO 15N133W TO 09N140W TO 
30N140W TO 30N124W TO 20N128W WINDS 20 KT OR LESS. SEAS 8 TO 11 
FT IN NW SWELL.
.48 HOUR FORECAST WITHIN 18N135W TO 07N137W TO 06N140W TO 
30N140W TO 30N124W TO 18N135W WINDS 20 KT OR LESS. SEAS
8 TO 9 FT IN NW SWELL.

.WITHIN 26N110W TO 24N110W TO 26N111W TO 27N111W TO 27N110W TO 
26N110W...INCLUDING GULF OF CALIFORNIA...NW TO N WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 22N109W TO 23N110W TO 24N110W TO
24N109W TO 24N108W TO 22N109W...INCLUDING GULF OF CALIFORNIA...
NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST WITHIN 26N110W TO 24N110W TO 26N111W TO 
27N111W TO 27N110W TO 26N110W...INCLUDING GULF OF 
CALIFORNIA...NW TO N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.WITHIN 14N94W TO 13N96W TO 14N96W TO 16N95W TO 16N93W TO 
14N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 
30 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.WITHIN 10N86W TO 10N88W TO 11N87W TO 11N86W TO 10N86W... 
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.

.WITHIN 18N111W TO 07N110W TO 07N120W TO 12N119W TO 16N118W TO 
18N111W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT PRIMARILY IN NW 
SWELL.
.24 HOUR FORECAST WITHIN 07N108W TO 09N118W TO 10N116W TO 
11N112W TO 09N109W TO 07N108W WINDS 20 KT OR LESS. SEAS 8 TO 9 
FT IN DECAYING MIXED NE AND NW SWELL.
.42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 2115 UTC THU JAN 13...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH EXTENDS FROM 10N75W TO 06N78W TO 03N83W. ITCZ EXTENDS 
FROM 03N83W TO 06N99W TO 07N105W TO 09N118W WHERE IT PAUSES.
IT RESUMES FROM 06N135W TO BEYOND 05N140W. SCATTERED MODERATE 
WITHIN 30 NM OF THE ITCZ BETWEEN 94W AND 99W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.


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