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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: Mon, 31 Jan 2022 03:34:55 +0000
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208 
FZPN01 KWBC 310334
HSFEP1

HIGH SEAS FORECAST 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
0430 UTC MON JAN 31 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 0000 UTC JAN 31. 
24 HOUR FORECAST VALID 0000 UTC FEB 01. 
48 HOUR FORECAST VALID 0000 UTC FEB 02. 

.WARNINGS. 

...HURRICANE FORCE WIND WARNING... 
.12 HOUR FORECAST RAPIDLY INTENSIFYING LOW 35N170E 992 MB. 
WITHIN 300 NM S AND SE QUADRANTS WINDS 35 TO 50 KT. SEAS 9 TO 16 
FT.  
.24 HOUR FORECAST LOW 39N178E 970 MB. FROM 31N TO 41N BETWEEN 
176W AND 178E WINDS 50 TO 60 KT. SEAS 14 TO 25 FT. ALSO FROM 30N 
TO 44N BETWEEN 174W AND 175E WINDS 35 TO 50 KT. SEAS 11 TO 22 
FT. ELSEWHERE FROM 30N TO 45N BETWEEN 172W AND 171E WINDS 25 TO 
35 KT. SEAS 9 TO 16 FT. 
.36 HOUR FORECAST LOW 43N178W 953 MB. WITHIN 180 NM S QUADRANT 
WINDS 50 TO 65 KT. SEAS 21 TO 30 FT.  
.48 HOUR FORECAST LOW 47N175W 949 MB. WITHIN 120 NM E AND 180 NM 
S QUADRANTS WINDS 50 TO 65 KT. SEAS 24 TO 38 FT. ALSO WITHIN 360 
NM NE...600 NM SE...180 NM SW...300 NM NW QUADRANTS AND WITHIN 
240 NM E AND SE OF A FRONT FROM 44N169W TO 38N169W TO 32N175W 
WINDS 40 TO 55 KT. SEAS 14 TO 28 FT. ELSEWHERE WITHIN 540 NM 
NE...720 NM SE...420 NM SW AND 840 NM NW QUADRANTS WINDS 25 TO 
40 KT. SEAS 8 TO 18 FT IN MIXED SWELL. 

...STORM WARNING...
.LOW 37N164E 994 MB MOVING NE 30 KT AND RAPIDLY INTENSIFYING. 
FROM 30N TO 40N W OF 172E WINDS 25 TO 40 KT. SEAS 8 TO 13 FT. 
.24 HOUR FORECAST LOW 47N174E 968 MB. FROM 45N TO 49N BETWEEN 
177E AND 172E WINDS 45 TO 60 KT. SEAS 16 TO 27 FT. ALSO WITHIN 
360 NM N...300 NM E AND 180 NM S AND SW QUADRANTS WINDS 30 TO 45 
KT. SEAS 12 TO 22 FT. ELSEWHERE FROM 43N TO 53N BETWEEN 176W AND 
169E WINDS 20 TO 30 KT. SEAS 9 TO 15 FT. 
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS NW OF AREA. 

...STORM WARNING... 
.LOW 52N171W 968 MB MOVING NW 25 KT. WITHIN 540 NM N...300 NM E 
AND 240 NM S AND SW QUADRANTS WINDS 40 TO 50 KT. SEAS 16 TO 30 
FT...EXCEPT OVER THE BERING SEA 11 TO 20 FT. ELSEWHERE WITHIN 
600 NM N...780 NM E...420 NM S AND 480 NM W QUADRANTS WINDS 25 
TO 40 KT. SEAS 8 TO 15 FT. 
.24 HOUR FORECAST LOW 59N178E 980 MB. N OF 52N BETWEEN 171W AND 
175E WINDS 25 TO 40 KT. SEAS 12 TO 24 FT...HIGHEST NEAR 60N179W. 
.48 HOUR FORECAST LOW DISSIPATED NW OF AREA. NW OF A LINE FROM 
58N178E TO 59N167W WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. 

...STORM WARNING... 
.COMPLEX LOW WITH MAIN LOW 39N170W 991 MB MOVING NE 30 KT. 
BETWEEN 120 NM AND 300 NM W QUADRANT AND BETWEEN 180 NM AND 600 
NM S QUADRANT WINDS 35 TO 50 KT. SEAS 14 TO 27 FT...HIGHEST S 
QUADRANT. ELSEWHERE FROM 30N TO 44N BETWEEN 163W AND 179E WINDS 
25 TO 35 KT. SEAS 10 TO 20 FT. 
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 51N164W 997 MB 
WITH SECOND CENTER 41N163W 1001 MB. FRONT TO EXTEND FROM 55N162W 
TO 44N157W TO 30N157W. WITHIN 480 NM NE AND E OF FRONT WINDS 30 
TO 45 KT. SEAS 11 TO 21 FT. ELSEWHERE WITHIN 300 NM W AND NW AND 
720 NM S QUADRANTS SECOND LOW WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.
.48 HOUR FORECAST LOW DISSIPATED WITH NEW LOW 57N152W 1002 MB. 
FRONT TO EXTEND FROM 58N153W TO 58N144W TO 55N138W. WITHIN 120 
NM N AND NE OF FRONT WINDS 40 TO 50 KT. SEAS 9 TO 18 FT. 
ELSEWHERE FROM 3458N BETWEEN 142W AND 154W WINDS 25 TO 35 KT. 
SEAS 8 TO 17 FT. 

...STORM WARNING... 
.LOW 49N161E 978 MB MOVING NW 05 KT. FROM 40N TO 50N W OF 171W 
WINDS 25 TO 40 KT. SEAS 8 TO 16 FT. 
.12 HOUR FORECAST LOW 50N161W 967 MB. BETWEEN 60 NM AND 180 NMS 
AND SE QUADRANTS WINDS 40 TO 50 KT. SEAS 10 TO 18 FT. 
.24 HOUR FORECAST LOW 50N161E 966 MB. N OF 44N W OF 166E WINDS 
25 TO 40 KT. SEAS 9 TO 16 FT. 
.48 HOUR FORECAST LOW 49N162E 976 MB. N OF 44N W OF 169W WINDS 
25 TO 359 TO 18 FT IN MIXED SWELL.

...GALE WARNING...
.FROM 30N TO 48N BETWEEN 163W AND A LINE FROM 30N150W TO 48N148W 
WINDS 25 TO 35 KT. SEAS 10 TO 21 FT. 
.24 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW 51N164W ABOVE.   

...GALE WARNING... 
.LOW 55N135W 1005 MB MOVING SE 20 KT. WITHIN 180 NM W AND 480 NM 
S QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 15 FT. ELSEWHERE FROM 
43N TO 56N BETWEEN 124W AND 141W WINDS 20 TO 30 KT. SEAS 8 TO 12 
FT. 
.24 HOUR FORECAST LOW DISSIPATED. E OF A LINE FROM 53N135W TO 
46N130W AREA OF NW WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. 
.48 HOUR FORECAST CONDITIONS DESCRIBED IN LAST GALE WARNING 
BELOW. 

...GALE WARNING... 
.24 HOUR FORECAST FROM 32N TO 43N BETWEEN 120W AND 131W AREA OF 
N TO NW WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST FROM 30N TO 43N BETWEEN 121W AND 128W AREA OF 
NW TO N WINDS 25 TO 35 KT. SEAS 10 TO 18 FT. ELSEWHERE E OF A 
LINE FROM 50N130W TO 41N132W TO 30N132W AREA OF N TO NW WINDS 20 
TO 30 KT. SEAS 8 TO 12 FT. 

...HEAVY FREEZING SPRAY WARNING... 
.MODERATE TO HEAVY FREEZING SPRAY N OF A LINE FROM 57N170W TO 
59N180W. LIGHT TO MODERATE FREEZING SPRAY N OF A LINE FROM 
55N150W TO 55N164W TO 59N180W. 
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF A LINE 
FROM 59N174W TO 60N178W. LIGHT TO MODERATE FREEZING SPRAY N OF A 
LINE FROM 58N138W TO 59M152W AND N OF A LINE FROM 59N174W TO 
59N180W. 
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF A LINE 
FROM 58N138W TO 59N153W AND N OF A LINE FROM 58N173W TO 60N179W. 

.SYNOPSIS AND FORECAST. 

.SEMISOPOCHNOI VOLCANO AT POSITION 51.6N 179.4E LOCATED 140 
NAUTICAL MILES W OF ADAK ISLAND REMAINS IN A STATE OF UNREST. 
LOW LEVEL ASH EMISSIONS ARE POSSIBLE. MARINERS SHOULD EXERCISE 
CAUTION. IF YOU ENCOUNTER VOLCANIC ASH OR FLOATING VOLCANIC 
DEBRIS YOU ARE ENCOURAGED TO REPORT THE OBSERVATION TO THE OCEAN 
PREDICTION CENTER BY CALLING 301 683 1520. 

.FRONT EXTENDS FROM 41N128W TO 37N133W TO 30N139W. WITHIN 300 NM 
W OF FRONT WINDS 20 TO 30 KT. SEAS TO 11 FT. 
.24 HOUR FORECAST FROM 30N TO 37N BETWEEN 131W AND 144W WIDNS TO 
25 KT. SEAS TO 9 FT.  
.48 HOUR FORECAST FROM 30N TO 35N BETWEEN 132W AND 143W WINDS TO 
25 KT. SEAS TO 9 FT.  

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 41N TO 51N 
BETWEEN 158W AND 163W...WITHIN 240 NM NE OF A LINE FROM 56N174E 
TO 50N175W AND FROM 40N TO 50N W OF 168E. 
.24 HOUR FORECAST DENSE FOG FROM 43N TO 57N BETWEEN 149W AND 
168W...N OF 55N W OF 173W AND FROM 45N TO 54N BETWEEN 174E AND 
168E. 
.48 HOUR FORECAST DENSE FOG FROM 47N TO 58N BETWEEN 142W AND 
156W...NE OF A LINE FROM 58N150W TO 54N135W...N OF 58N W OF 
ALASKA AND FROM 44N TO 52N BETWEEN 166W AND 174E. 

.HIGH 42N142W 1032 MB MOVING NE 10 KT. 
.24 HOUR FORECAST HIGH 44N138W 1037 MB. 
.48 HOUR FORECAST HIGH 44N136W 1037 MB. 

.HIGH 34N128W 1025 MB MOVING SW 05 KT. 
.24 HOUR FORECAST HIGH DISSIPATED. 

.24 HOUR FORECAST HIGH 31N168W 1016 MB.
.48 HOUR FORECAST HIGH 31N154W 1020 MB.  

.FORECASTER KOSIER. 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 MON JAN 31.
24 HOUR FORECAST VALID 0000 UTC TUE FEB  1.
48 HOUR FORECAST VALID 0000 UTC WED FEB  2.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 07N79W TO 06N79W TO 06N80W TO 09N80W TO 09N79W TO
07N79W...INCLUDING THE GULF OF PANAMA... N WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.
.06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.WITHIN 09N88W TO 09N89W TO 11N89W TO 12N86W TO 11N86W TO
09N88W...INCLUDING THE GULF OF PAPAGAYO... NE TO E WINDS 20 TO
30 KT. SEAS TO 8 FT.
.24 HOUR FORECAST WITHIN 10N86W TO 10N87W 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.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.WITHIN 08N93W TO 06N98W TO 07N105W TO 11N106W TO 14N94W TO
08N93W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL. WITHIN 
15N94W TO 14N95W TO 14N96W TO 16N96W TO 16N94W TO 
15N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 20 TO 30 
KT. SEAS 8 FT.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.WITHIN 14N126W TO 14N132W TO 19N134W TO 23N133W TO 22N128W TO
14N126W E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST WITHIN 17N130W TO 20N140W TO 27N140W TO
26N136W TO 23N131W TO 17N130W WINDS 20 KT OR LESS. SEAS 8 TO 9
FT IN NE AND NW SWELL.
.48 HOUR FORECAST WITHIN 25N136W TO 23N137W TO 24N140W TO 
29N140W TO 29N138W TO 25N136W E WINDS 20 TO 30 KT. SEAS 8 TO 10 
FT. ELSEWHERE WITHIN 22N132W TO 21N135W TO 22N140W TO 30N140W TO 
30N135W TO 22N132W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW AND
NE SWELL.

.WITHIN 29N138W TO 29N140W TO 30N140W TO 30N138W TO 29N138W
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.42 HOUR FORECAST WITHIN 29N121W TO 29N123W TO 30N126W TO
30N119W TO 29N121W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN N 
SWELL.
.48 HOUR FORECAST WITHIN 29N123W TO 29N125W TO 30N128W TO 
30N121W TO 29N123W NW TO N WINDS 20 TO 25 KT. SEAS 9 TO 11 FT.
ELSEWHERE WITHIN 28N119W TO 28N121W TO 28N125W TO 30N130W TO 
30N117W TO 28N119W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N
SWELL.

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

CONVECTION VALID AT 0230 UTC MON JAN 31...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 07N78W TO 05N83W TO 05N95W. ITCZ FROM 05N95W
TO 08N130W. SCATTERED MODERATE ISOLATED STRONG FROM 10N TO 20N 
BETWEEN 125W AND 140W.

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.


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