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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 09:53:58 +0000
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101 
FZPN01 KWBC 310953
HSFEP1

HIGH SEAS FORECAST 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 0600 UTC JAN 31. 
24 HOUR FORECAST VALID 0600 UTC FEB 01. 
48 HOUR FORECAST VALID 0600 UTC FEB 02. 

.WARNINGS. 

...HURRICANE FORCE WIND WARNING... 
.06 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 41N179W 963 MB. WITHIN 120 NM SW AND W 
SEMICIRCLES AND 180 NM NE QUADRANT AND 240 NM E OF A FRONT FROM 
39N177W TO 30N177E 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. 
.30 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 49N174W 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 39N167E 989 MB MOVING NE 25 KT. FROM 30N TO 40N W OF 175E 
WINDS 25 TO 40 KT. SEAS 8 TO 14 FT. 
.12 HOUR FORECAST LOW 43N173E 979 MB. WITHIN 120 NM SW QUADRANT 
AND 180 NM E SEMICIRCLE WINDS 35 TO 50 KT. SEAS 14 TO 21 FT. 
.24 HOUR FORECAST LOW 48N173E 967 MB. FROM 47N TO 52N BETWEEN 
177E AND 172E WINDS 45 TO 60 KT. SEAS 16 TO 28 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 54N173W 969 MB MOVING NW 25 KT. WITHIN 420 NM N...300 NM E 
AND 240 NM S AND SW QUADRANTS WINDS 35 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 35 KT. SEAS 8 TO 15 FT. 
.24 HOUR FORECAST LOW NW OF AREA NEAR 59N175E 983 MB. N OF 54N 
BETWEEN 171W AND 175E WINDS 25 TO 35 KT. SEAS 11 TO 19 
FT...HIGHEST NEAR 60N179W. 
.48 HOUR FORECAST LOW DISSIPATED NW OF AREA. NW OF A LINE FROM 
55N176E TO 59N174W WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. 

...STORM WARNING... 
.COMPLEX LOW WITH MAIN LOW 41N167W 992 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 53N165W 993 MB 
WITH SECOND CENTER 42N161W 1005 MB. FRONT TO EXTEND FROM 54N162W 
TO 43N156W TO 30N156W. 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 59N147W 1002 MB. 
FRONT TO EXTEND FROM 58N151W TO 59N142W TO 55N138W. WITHIN 120 
NM N AND NE OF FRONT WINDS 40 TO 50 KT. SEAS 9 TO 18 FT. 
ELSEWHERE FROM 34N TO 58N BETWEEN 142W AND 154W WINDS 25 TO 35 
KT. SEAS 8 TO 17 FT. 

...STORM WARNING... 
.LOW 49N161E 974 MB MOVING W 05 KT. FROM 40N TO 53N AND W OF A 
LINE FROM 40N174E TO 49N172E TO 53N169E WINDS 25 TO 40 KT. SEAS 
8 TO 16 FT. 
.06 HOUR FORECAST LOW 50N161E 967 MB. BETWEEN 60 NM AND 180 NM S 
AND SE QUADRANTS WINDS 40 TO 50 KT. SEAS 10 TO 18 FT. 
.24 HOUR FORECAST LOW JUST W OF AREA NEAR 49N159E 969 MB. W OF A 
LINE FROM 42N169E TO 51N165E WINDS 25 TO 40 KT. SEAS 9 TO 16 FT. 
.48 HOUR FORECAST LOW 49N165E 979 MB. WITHIN 180 NM N AND 480 NM 
S QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 18 FT. 

...GALE WARNING... 
.FROM 30N TO 48N BETWEEN 162W AND 149W WINDS 25 TO 35 KT. SEAS 
10 TO 21 FT. 
.24 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW 53N165W ABOVE. 

...GALE WARNING... 
.LOW 54N132W 1011 MB MOVING SE 20 KT. WITHIN 180 NM W AND 420 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 52N132W TO 
45N129W 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 30N TO 43N BETWEEN 120W AND 131W AREA OF 
N TO NW WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.30 HOUR FORECAST FROM 34N TO 42N BETWEEN 123W AND 127W AREA OF 
N TO NW WINDS 25 TO 35 KT. SEAS 8 TO 14 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 19 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 41N124W TO 37N132W TO 32N136W. WITHIN 180 NM 
NW AND W OF FRONT WINDS 20 TO 30 KT. SEAS TO 11 FT. 
.24 HOUR FORECAST FROM 30N TO 37N BETWEEN 131W AND 143W WINDS TO 
25 KT. SEAS TO 9 FT. 
.48 HOUR FORECAST FROM 30N TO 36N BETWEEN 131W AND 139W WINDS TO 
25 KT. SEAS TO 10 FT. 

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 55N 
BETWEEN 156W AND 164W...WITHIN 240 NM NE OF A LINE FROM 56N174E 
TO 50N176W AND FROM 40N TO 51N W OF 168E. 
.24 HOUR FORECAST DENSE FOG FROM 44N TO 60N BETWEEN 149W AND 
172W...N OF 56N W OF 178W AND FROM 45N TO 54N BETWEEN 174E AND 
168E. 
.48 HOUR FORECAST DENSE FOG FROM 44N TO 56N BETWEEN 144W AND 
161W...NE OF A LINE FROM 59N148W TO 55N135W...N OF 58N W OF 
ALASKA AND FROM 46N TO 55N BETWEEN 167W AND 179W. 

.HIGH 43N141W 1035 MB MOVING NE 10 KT. 
.24 HOUR FORECAST HIGH 45N137W 1038 MB. 
.48 HOUR FORECAST HIGH 43N136W 1037 MB. 

.HIGH 34N129W 1025 MB MOVING S 05 KT. 
.24 HOUR FORECAST HIGH DISSIPATED. 

.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 0600 UTC MON JAN 31.
24 HOUR FORECAST VALID 0600 UTC TUE FEB  1.
48 HOUR FORECAST VALID 0600 UTC WED FEB  2.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 10N86W TO 09N88W TO 09N90W TO 11N89W TO 12N86W TO
10N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E WINDS 20 TO
30 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST WITHIN 10N86W TO 10N88W TO 11N88W TO 12N87W TO
11N86W TO 10N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.WITHIN 06N97W TO 05N103W TO 10N105W TO 12N102W TO 09N97W TO
06N97W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL. WITHIN 
14N94W TO 14N95W TO 16N96W TO 16N95W TO 16N93W TO 
14N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 20 TO 30 
KT. SEAS LESS THAN 8 FT.
.06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
8 FT.

.WITHIN 13N127W TO 18N135W TO 22N135W TO 22N129W TO 19N127W TO
13N127W E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST WITHIN 28N134W TO 28N135W TO 28N136W TO
30N137W TO 30N134W TO 28N134W WINDS 20 KT OR LESS. SEAS 8 FT IN N
SWELL. WITHIN 19N131W TO 19N135W TO 21N140W TO 27N140W TO 
26N135W TO 19N131W E WINDS 20 TO 25 KT. SEAS 8 FT TO 9.
.48 HOUR FORECAST WITHIN 24N137W TO 23N138W TO 24N140W TO 
29N140W TO 27N138W TO 24N137W E WINDS 20 TO 25 KT. SEAS 9 TO 11 
FT. ELSEWHERE WITHIN 24N134W TO 21N134W TO 21N140W TO 30N140W TO
30N136W TO 24N134W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW AND
NE SWELL.

.WITHIN 29N138W TO 28N140W TO 30N140W TO 30N138W TO 29N138W
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.36 HOUR FORECAST WITHIN 29N121W TO 29N123W TO 29N125W TO
30N126W TO 30N120W TO 29N121W NW TO N WINDS 20 TO 25 KT. SEAS 8
TO 9 FT.
.48 HOUR FORECAST WITHIN 29N122W TO 29N125W TO 30N128W TO 
30N120W TO 29N122W NW TO N WINDS 20 TO 25 KT. SEAS 11 TO 14 FT.
ELSEWHERE WITHIN 28N119W TO 27N126W TO 30N133W TO 30N117W TO 
28N119W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN N SWELL.

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

CONVECTION VALID AT 0830 UTC MON JAN 31...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 07N78W TO 05N95W. ITCZ FROM 05N95W TO 
09N130W. SCATTERED MODERATE ISOLATED STRONG FROM 10N TO 20N 
BETWEEN 129W AND 138W.

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.


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