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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: Wed, 12 Jan 2022 10:20:00 +0000
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431 
FZPN01 KWBC 121019
HSFEP1

HIGH SEAS FORECAST 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
1030 UTC WED JAN 12 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 0600 UTC JAN 12. 
24 HOUR FORECAST VALID 0600 UTC JAN 13. 
48 HOUR FORECAST VALID 0600 UTC JAN 14. 

.WARNINGS. 

...HURRICANE FORCE WIND WARNING... 
.COMPLEX LOW WITH MAIN CENTER 43N166W 962 MB MOVING NE 25 KT AND 
SECOND CENTER 41N169W 978 MB MOVING NE 30 KT. WITHIN 240 NM E 
AND 180 NM S QUADRANTS OF MAIN CENTER WINDS 50 TO 65 KT. SEAS 18 
TO 31 FT. ELSEWHERE WITHIN 300 NM NE...540 NM SE...300 NM SW AND 
180 NM NW QUADRANTS OF MAIN CENTER WINDS 35 TO 50 KT. SEAS 15 TO 
24 FT. ALSO FROM 30N TO 46N BETWEEN 154W AND 171E WINDS 25 TO 40 
KT. SEAS 10 TO 21 FT. 
.24 HOUR FORECAST COMBINED LOW 50N157W 956 MB. WITHIN 300 NM S 
AND SE QUADRANTS...AND WITHIN 180 NM N AND E OF A FRONT FROM 
52N160W TO 54N155W TO 54N150W TO 47N146W TO 38N149W WINDS 35 TO 
50 KT. SEAS 22 TO 35 FT. ELSEWHERE WITHIN 600 NM NE...660 NM 
SE...AND 420 NM SW AND NW QUADRANTS...AND WITHIN 300 NM E OF A 
FRONT FROM 48N147W TO 40N148W TO 30N159W WINDS 25 TO 35 KT. SEAS 
14 TO 21 FT. 
.48 HOUR FORECAST LOW 56N155W 974 MB. WITHIN 180 NM E QUADRANT 
AND N OF A LINE FROM 60N148W TO 59N142W TO 58N138W WINDS 30 TO 
40 KT. SEAS 10 TO 17 FT...EXCEPT ACROSS E QUADRANT 16 TO 24 FT. 
ELSEWHERE WITHIN 420 NM NE QUADRANT..360 NM S SEMICIRCLE...AND N 
OF 54N BETWEEN 133W AND 139W WINDS 20 TO 30 KT. SEAS 8 TO 17 FT.

...STORM WARNING... 
.LOW 41N141W 996 MB MOVING NE 20 KT. WITHIN 120 NM SW QUADRANT 
AND FROM 35N TO 42N BETWEEN 134W AND 137W WINDS 35 TO 45 KT. 
SEAS 11 TO 18 FT. ELSEWHERE WITHIN 480 NM E...600 NM S...180 NM 
W... AND 240 NM N QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 16 FT. 
ALSO FROM 42N TO 46N E OF 131W WINDS TO 25 KT. SEAS 10 TO 15 FT.
.18 HOUR FORECAST LOW 45N134W 996 MB. WITHIN 180 NM W SEMICIRCLE 
WINDS 35 TO 50 KT. SEAS 15 TO 23 FT.
.24 HOUR FORECAST LOW 44N131W 1000 MB. WITHIN 180 NM SW QUADRANT 
WINDS 35 TO 45 KT. SEAS 14 TO 23 FT. ELSEWHERE WITHIN 300 NM S 
AND 420 NM N SEMICIRCLES WINDS 25 TO 35 KT. SEAS 9 TO 17 FT. 
.48 HOUR FORECAST LOW DISSIPATED. FROM 40N TO 52N E OF 132W 
WINDS LESS THAN 25 KT. SEAS 8 TO 12 FT. 

...STORM WARNING... 
.24 HOUR FORECAST NEW LOW 42N162W 991 MB. WITHIN 660 NM W AND 
SW...AND 540 NM SE QUADRANTS WINDS 25 TO 40 KT. SEAS 14 TO 22 
FT. .48 HOUR FORECAST LOW 47N150W 988 MB. WITHIN 180 NM S 
QUADRANT... AND WITHIN 180 NM S OF A LINE FROM 50N139W TO 
45N147W WINDS 35 TO 50 KT. SEAS 15 TO 26 FT. ELSEWHERE WITHIN 
720 NM E...480 NM S... AND 300 NM W QUADRANTS WINDS 25 TO 35 KT. 
SEAS 12 TO 18 FT. 

...STORM WARNING... 
.24 HOUR FORECAST LOW 40N167E 980 MB. WITHIN 180 NM E AND NE OF 
A LINE FROM 48N157E TO 43N166E TO LOW...AND WITHIN 300 NM S AND 
120 NM W QUADRANTS WINDS 35 TO 50 KT. SEAS 12 TO 20 FT. 
ELSEWHERE W OF A LINE FROM 53N167E TO 40N175E TO 30N179E WINDS 
25 TO 40 KT. SEAS 9 TO 17 FT. 
.48 HOUR FORECAST LOW 38N175W 987 MB. WITHIN 360 NM SE...240 NM 
SW...AND 120 NM NW QUADRANTS WINDS 35 TO 50 KT. SEAS 19 TO 30 
FT. ELSEWHERE FROM 30N TO 41N BETWEEN 161W AND 179E WINDS 25 TO 
35 KT. SEAS 11 TO 20 FT. 

...GALE WARNING... 
.LOW 51N173W 972 MB MOVING SE 10 KT. EXCEPT WHERE NOTED ABOVE 
WITH COMPLEX LOW...WITHIN 720 NM W AND SW QUADRANTS...AND W OF 
LINE FROM LOW TO 62N168W WINDS 25 TO 40 KT. SEAS 9 TO 18 FT. 
.24 HOUR FORECAST LOW 48N171W 988 MB. EXCEPT WHERE NOTED ABOVE 
WITH LOW 42N162W...WITHIN 360 NM W AND SW QUADRANTS...AND W OF A 
LINE FROM 52N176W TO 62N166W WINDS 25 TO 35 KT. SEAS 9 TO 18 FT. 
.48 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS 
DIMINISHED.

...GALE WARNING... 
.48 HOUR FORECAST LOW 45N163E 980 MB. W OF 170E WINDS 25 TO 40 
KT. SEAS 9 TO 18 FT. 

...HEAVY FREEZING SPRAY WARNING... 
.MODERATE TO HEAVY FREEZING SPRAY N OF 58N W OF 162W.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 57N W OF 
162W.

.SYNOPSIS AND FORECAST. 

.LOW 52N130W 1008 MB MOVING NE 15 KT. WITHIN 120 NM SE QUADRANT 
WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. 
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DESCRIBED ABOVE 
WITH LOW 44N131W. 

.LOW 57N159W 987 MB MOVING N 20 KT. WITHIN 360 NM E AND 300 NM S 
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 12 FT. 
.24 HOUR FORECAST LOW DISSIPATED INLAND AND CONDITIONS DESCRIBED 
ABOVE WITH LOW 50N157W. 

.48 HOUR FORECAST FROM 35N TO 39N BETWEEN 122W AND 125W WINDS TO 
25 KT. SEAS 8 TO 13 FT. 

.48 HOUR FORECAST N OF 54N AND W OF 174W AREA OF N WINDS TO 25 
KT. SEAS 8 TO 12 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 43N TO 48N 
BETWEEN 126W AND 136W. 
.24 HOUR FORECAST DENSE FOG FROM 44N TO 48N W OF 167E...AND FROM 
49N TO 52N BETWEEN 127W AND 132W. 
.48 HOUR FORECAST DENSE FOG WITHIN 120 NM E OF A LINE FROM 
53N140W TO 48N146W. 

.HIGH 38N126W 1028 MB DRIFTING S. 
.24 HOUR FORECAST HIGH DISSIPATED. 

.HIGH 33N169E 1016 MB MOVING SE 35 KT. 
.24 HOUR FORECAST HIGH S OF AREA. 

.24 HOUR FORECAST HIGH 36N137W 1026 MB. 
.48 HOUR FORECAST HIGH 40N130W 1029 MB. 

.FORECASTER CLARK. 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 WED JAN 12.
24 HOUR FORECAST VALID 0600 UTC THU JAN 13.
48 HOUR FORECAST VALID 0600 UTC FRI JAN 14.

.WARNINGS.

...GALE WARNING...
.WITHIN 14N95W TO 14N96W TO 15N96W TO 16N96W TO 16N94W TO
14N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO
40 KT. SEAS 10 TO 16 FT. ELSEWHERE WITHIN 13N94W TO 11N98W TO 
11N103W TO 16N96W TO 16N94W TO 13N94W NE TO E WINDS 25 TO 35 KT. 
SEAS 8 TO 13 FT IN N TO NE SWELL. REMAINDER OF AREA WITHIN 
10N93W TO 07N98W TO 12N106W TO 15N97W TO 15N93W TO 10N93W WINDS 
20 KT OR LESS. SEAS 8 TO 11 FT IN N TO NE SWELL.
.12 HOUR FORECAST WITHIN 12N95W TO 11N99W TO 12N102W TO 13N98W 
TO 16N93W TO 12N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO  
NE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT IN NE SWELL...HIGHEST NEAR
13.5N96W. ELSEWHERE WITHIN 10N93W TO 06N99W TO 07N105W TO 
13N105W TO 15N96W TO 10N93W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT
IN NE SWELL.
.24 HOUR FORECAST WITHIN 14N94W TO 13N95W TO 14N96W TO 16N96W TO
16N94W TO 14N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE 
WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. WITHIN 07N98W TO 06N104W TO
08N108W TO 13N106W TO 12N99W TO 07N98W WINDS 20 KT OR LESS. SEAS
8 TO 9 FT IN NE SWELL.
.48 HOUR FORECAST WITHIN 15N94W TO 13N95W TO 13N96W TO 16N96W TO
16N94W TO 15N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE 
WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. WITHIN 09N109W TO 08N114W TO
12N116W TO 13N112W TO 11N112W TO 09N109W WINDS 20 KT OR LESS. 
SEAS 8 TO 9 FT IN MIXED NE AND NW SWELL.

.SYNOPSIS AND FORECAST.

.COLD FRONT ENTERING NEAR 30N140W. WITHIN 29N138W TO 28N140W TO 
30N140W TO 30N138W TO 29N138W SW WINDS 20 TO 25 KT. SEAS 10 TO 12
FT IN W TO NW SWELL. ELSEWHERE WITHIN 10N128W TO 06N140W TO 
28N140W TO 30N119W TO 10N128W WINDS 20 KT OR LESS. SEAS 8 TO 12
FT IN NW SWELL...HIGHEST CENTRAL PART. 
.24 HOUR FORECAST DISSIPATING STATIONARY FRONT FROM 30N135W TO
28N140W. WITHIN 18N116W TO 04N131W TO 05N140W TO 30N140W TO 
28N119W TO 18N116W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN W TO 
NW SWELL...HIGHEST NEAR 30N140W.
.48 HOUR FORECAST FRONT DISSIPATED. WITHIN 20N131W TO 07N140W 
TO 30N140W TO 30N126W TO 20N131W WINDS 20 KT OR LESS. SEAS 8 TO 
11 FT IN W TO NW SWELL.

.TROUGH FROM 20N117W TO 09N124W. WITHIN 19N116W TO 16N119W TO 
19N123W TO 24N121W TO 22N117W TO 19N116W WINDS 20 TO 30 KT. SEAS 
8 TO 11 FT.
.24 HOUR FORECAST TROUGH WEAKENING FROM 25N125W TO 14N126W. 
CONDITIONS MERGED.

.WITHIN 25N110W TO 24N110W TO 27N112W TO 28N112W TO 25N110W... 
INCLUDING GULF OF CALIFORNIA...NW TO N WINDS 20 TO 25 KT. SEAS 
LESS THAN 8 FT.
.12 HOUR FORECAST CONDITIONS IMPROVE. NW TO N WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST WITHIN 24N108W TO 23N109W TO 24N110W TO 
26N111W TO 27N111W TO 24N108W...INCLUDING GULF OF CALIFORNIA... 
NW TO N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.48 HOUR FORECAST LITTLE CHANGE.

.WITHIN 10N86W TO 09N88W TO 09N90W TO 12N88W 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.

.18 HOUR FORECAST WITHIN 19N105W TO 19N106W TO 20N106W TO
21N106W TO 20N106W TO 19N105W...INCLUDING NEAR CABO
CORRIENTES...NW TO N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST CONDITIONS IMPROVE. 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 0700 UTC WED JAN 12...

.TROUGH FROM 20N117W TO 09N124W...SCATTERED MODERATE ISOLATED
STRONG FROM 13N TO 24N BETWEEN 109W AND 122W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM LOW PRES NEAR 10N75W TO 05N87W. ITCZ FROM 
05N87W TO 05N107W THEN RESUMES FROM 08N128W TO 05N140W. NO 
SIGNIFICANT CONVECTION.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.


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