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From: <ldm@weather.cod.edu>
Subject: North Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220129035033.6CA1F1C0EEE@weather.cod.edu>
Date: Sat, 29 Jan 2022 03:50:33 +0000
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738 
FZPN01 KWBC 290350
HSFEP1

HIGH SEAS FORECAST 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
0430 UTC SAT JAN 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 29. 
24 HOUR FORECAST VALID 0000 UTC JAN 30. 
48 HOUR FORECAST VALID 0000 UTC JAN 31. 

.WARNINGS. 

...HURRICANE FORCE WIND WARNING... 
.06 HOUR FORECAST RAPIDLY INTENSIFYING LOW 32N178W 991 MB. FROM 
30N TO 41N BETWEEN 165W AND A LINE FROM 41N173W TO 30N178E WINDS 
25 TO 40 KT. SEAS 11 TO 18 FT.
.12 HOUR FORECAST LOW 34N175W 982 MB. WITHIN 90 NM W AND SW AND 
180 NM E QUADRANTS WINDS 40 TO 50 KT. SEAS 13 TO 20 FT.  
.24 HOUR FORECAST LOW 40N170W 968 MB. FROM 37N TO 42N BETWEEN 
165W AND 171W WINDS 50 TO 65 KT. SEAS 17 TO 31 FT. ALSO FROM 33N 
TO 45N BETWEEN 160W AND 173W WINDS 35 TO 50 KT. SEAS 12 TO 24 
FT. ELSEWHERE FROM 30N TO 50N BETWEEN 156W AND 180W WINDS 25 TO 
35 KT. SEAS 8 TO 18 FT. 
.48 HOUR FORECAST LOW 52N170W 965 MB. WITHIN 240 NM E AND 360 NM 
N QUADRANTS WINDS 40 TO 55 KT. SEAS 17 TO 31 FT...HIGHEST E 
QUADRANT. ELSEWHERE FROM 40N TO 60N BETWEEN 177E AND A LINE FROM 
40N150W TO 50N152W TO 57N160W WINDS 25 TO 40 KT. SEAS 10 TO 21 
FT. 

...STORM WARNING... 
.LOW 50N178E 970 MB MOVING NW 20 KT. WITHIN 240 NM S AND SE 
QUADRANTS WINDS 40 TO 55 KT. SEAS 17 TO 31 FT. ELSEWHERE FROM 
43N TO 60N BETWEEN 168W AND 171E AND FROM 40N TO 43N BETWEEN 
166W AND 173W WINDS 25 TO 40 KT. SEAS 9 TO 23 FT.
.24 HOUR FORECAST LOW NW OF AREA NEAR 56N170E 973 MB. WITHIN 300 
NM S...360 NM E AND 420 NM NE QUADRANTS WINDS 25 TO 40 KT. SEAS 
14 TO 24 FT. ELSEWHERE N OF 51N AND W OF A LINE FROM 61N177W TO 
51N165W WINDS 20 TO 30 KT. SEAS 9 TO 17 FT. 
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS WELL NW OF AREA. 

...STORM WARNING... 
.LOW 36N166E 1000 MB MOVING NE 25 KT. FROM 30N TO 39N W OF 172E  
WINDS 20 TO 30 KT. SEAS 9 TO 13 FT.
.12 HOUR FORECAST LOW 37N173E 997 MB. FROM 30N TO 39N W OF 177E 
WINDS 25 TO 35 KT. SEAS 8 TO 15 FT.  
.24 HOUR FORECAST LOW 37N179E 985 MB. FROM 32N TO 37N BETWEEN 
178W AND 169E WINDS 40 TO 50 KT. SEAS 13 TO 24 FT. ELSEWHERE 
FROM 30N TO 41N BETWEEN 176W AND 164E WINDS 25 TO 40 KT. SEAS 8 
TO 16 FT. 
.48 HOUR FORECAST LOW 40N170W 984 MB. WITHIN 240 NM SW 
SEMICIRCLE WINDS 40 TO 50 KT. SEAS 15 TO 27 FT. ELSEWHERE FROM 
30N TO 44N BETWEEN 150W AND 180W WINDS 25 TO 40 KT. SEAS 10 TO 
22 FT. 

...GALE WARNING... 
.COMPLEX LOW WITH MAIN LOW 54N142W 992 MB MOVING NW 15 KT. 
WITHIN 240 NM NE QUADRANT AND 300 NM E OF A LINE FROM LOW TO 
46N142W TO 31N152W WINDS 25 TO 35 KT. SEAS 9 TO 16 FT. ELSEWHERE 
WITHIN 420 NM N AND NE QUADRANTS AND FROM 30N TO 38N BETWEEN 
144W AND 156W WINDS 20 TO 30 KT. SEAS TO 12 FT. 
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORED BY LOW 
58N146W DESCRIBED BELOW. 

...GALE WARNING... 
.COMPLEX LOW WITH MAIN LOW 57N151W 988 MB MOVING NE 10 KT. 
WITHIN 480 NM W AND SW AND 780 NM S QUADRANTS WINDS 25 TO 35 KT. 
SEAS 8 TO 15 FT.  
.24 HOUR FORECAST COMBINED LOW 58N146W 991 MB. WITHIN 240 NM W 
...540 NM SE AND 600 NM SW QUADRANTS AND FROM 45N TO 51N BETWEEN 
126W AND 130W WINDS 25 TO 35 KT. SEAS 8 TO 17 FT. ELSEWHERE 
WITHIN 900 NM S QUADRANT WINDS TO 25 KT. SEAS TO 11 FT. 

...GALE WARNING... 
.LOW NW OF AREA NEAR 53N161E 987 MB DRIFTING SE. WITHIN 360 NM S 
QUADRANT WINDS 25 TO 35 KT. SEAS 10 TO 16 FT.  
.24 HOUR FORECAST LOW 51N162E 993 MB. WITHIN 360 NM S AND 420 NM 
SE QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. 
.48 HOUR FORECAST LOW DISSIPATED WITH ASSOCIATED CONDITIONS 
DIMINISHED. 

...GALE WARNING...
.48 HOUR FORECAST LOW 49N160E 984 MB. FROM 40N TO 52N W OF 169E 
WINDS 25 TO 35 KT. SEAS 8 TO 15 FT. 

...GALE WARNING...
.48 HOUR FORECAST LOW 38N163E 993 MB. FROM 30N TO 40N W OF 170E 
WIDNS 25 TO 35 KT. SEAS 8 TO 13 FT. 

...HEAVY FREEZING SPRAY WARNING... 
.MODERATE TO HEAVY FREEZING SPRAY N OF A LINE FROM 59N152W TO 
55N158W TO 55N163W TO 60N177W. LIGHT TO MODERATE FREEZING SPRAY 
ELSEWHERE N OF A LINE FROM 56N151W TO 54N164W TO 60N179W. 
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF A LINE 
FROM 59N152W TO 56N154W TO 56N165W. LIGHT TO MODERATE FREEZING 
SPRAY ELSEWHERE N OF A LINE FROM 55N151W TO 53N163W TO 59N180W. 
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 57N 
BETWEEN 152W AND 170W AND N OF A LINE FROM 57N170W TO 60N179W. 
LIGHT TO MODERATE FREEZING SPRAY ELSEWHERE N OF A LINE FROM 
58N151W TO 55N155W TO 56N170W TO 59N179W. 

.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. 
CURRENTLY NO ASH IS IDENTIFIABLE ON SATELLITE IMAGERY BUT WAS 
OBSERVED EARLIER TODAY. 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. 

.LOW 39N178E 1000 MB MOVING NE 30 KT. FROM 36N TO 41N BETWEEN 
178W AND 175E WINDS 20 TO 30 KT. SEAS 11 TO 17 FT IN MIXED SWELL.
.24 HOUR FORECAST LOW AND CONDITIONS MERGED WITH LOW 40N170W IN 
WARNINGS SECTION ABOVE. 

.24 HOUR FORECAST NEW LOW 38N139W 1012 MB. WITHIN 360 NM E OF A 
LINE FROM 43N141W TO 31N148W WINDS 20 TO 30 KT. SEAS TO 12 FT. 
.48 HOUR FORECAST LOW 41N135W 1018 MB. WITHIN 180 NM W AND 240 
NM N QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. 

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 49N TO 60N 
BETWEEN 140W AND 153W AND FROM 48N TO 54N BETWEEN 179E AND 172E. 
.24 HOUR FORECAST DENSE FOG FROM 55N TO 59N BETWEEN 141W AND 
149W AND N OF 52N W OF 177E. 
.48 HOUR FORECAST DENSE FOG FROM 43N TO 51N BETWEEN 159W AND 
163W...FROM 39N TO 50N W FO 167E AND WITHIN 240 NM NE OF A LINE 
FROM 56N172E TO 48N177W.

.HIGH 36N162W 1024 MOVING NE 25 KT. 
.24 HOUR FORECAST HIGH 41N151W 1027 MB. 
.48 HOUR FORECAST HIGH 44N143W 1031 MB. 

.HIGH 36N124W 1025 MB MOVING NW 05 KT. 
.24 HOUR FORECAST HIGH 38N127W 1026 MB. 
.48 HOUR FORECAST LITTLE CHANGE. 

.HIGH 32N139W 1023 MB MOVING NE 15 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 0000 UTC SAT JAN 29.
24 HOUR FORECAST VALID 0000 UTC SUN JAN 30.
48 HOUR FORECAST VALID 0000 UTC MON JAN 31.

.WARNINGS.

...GALE WARNING...
.WITHIN 15N94W TO 15N96W TO 16N96W TO 16N95W TO 16N93W TO 
15N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 30 TO 40 
KT. SEAS BUILDING TO 8 FT. ELSEWHERE WITHIN 15N94W TO 15N95W TO 
16N95W TO 16N94W TO 15N94W N WINDS 20 TO 30 KT. SEAS LESS THAN 8
FT. 
.24 HOUR FORECAST WITHIN 14N95W TO 13N96W TO 14N97W TO 16N95W TO
15N93W TO 14N95W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE 
WINDS 30 TO 45 KT. SEAS 15 TO 20 FT. ELSEWHERE WITHIN 12N95W TO 
10N101W TO 11N102W TO 15N93W TO 12N95W N TO NE WINDS 20 TO 30 KT.
SEAS 10 TO 15 FT. REMAINDER AREA WITHIN 11N93W TO 10N100W TO 
12N100W TO 16N96W TO 15N93W TO 11N93W WINDS 20 KT OR LESS. SEAS 8
TO 13 FT IN NE SWELL.
.42 HOUR FORECAST WITHIN 14N94W TO 13N96W TO 14N96W TO 16N95W TO
16N94W TO 14N94W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE 
WINDS 20 TO 30 KT. SEAS 10 TO 13 FT. ELSEWHERE WITHIN 08N93W TO 
06N99W TO 11N106W TO 13N104W TO 15N94W TO 08N93W WINDS 20 KT OR 
LESS. SEAS 8 TO 11 FT IN NE SWELL.
.48 HOUR FORECAST WITHIN 15N95W TO 16N95W TO 16N94W TO 
15N95W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 20 TO 30 
KT. SEAS TO 8 FT. WITHIN 07N92W TO 06N103W TO 10N107W TO 13N104W
TO 14N94W TO 07N92W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT. 

.SYNOPSIS AND FORECAST.

.WITHIN 30N113W TO 29N114W TO 30N115W TO 32N115W TO 31N113W TO
30N113W...INCLUDING GULF OF CALIFORNIA... NW WINDS 20 TO 25 KT.
SEAS TO 8 FT. WITHIN 25N110W TO 24N111W TO 29N114W TO 30N113W TO
28N111W TO 25N110W...INCLUDING GULF OF CALIFORNIA... NW WINDS 20
TO 30 KT. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.WITHIN 12N118W TO 12N123W TO 14N123W TO 15N120W TO 14N119W TO
12N118W E WINDS 20 TO 25 KT. SEAS 8 FT.
.24 HOUR FORECAST WITHIN 11N128W TO 11N135W TO 15N136W TO
17N126W TO 15N122W TO 11N128W NE TO E WINDS 20 TO 25 KT. SEAS 8
TO 9 FT.
.48 HOUR FORECAST WITHIN 14N127W TO 15N135W TO 22N133W TO
22N129W TO 20N125W TO 14N127W E WINDS 20 TO 30 KT. SEAS 8 TO 11
FT.

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

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

CONVECTION VALID AT 0240 UTC SAT JAN 29...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 07N78W TO 05N106W. ITCZ FROM 05N106W TO 
08N121W. IT RESUMES FROM 06N130W TO 04N140W. SCATTERED MODERATE 
FROM 02N TO 06N BETWEEN 78W AND 88W. SCATTERED MODERATE ISOLATED 
STRONG FROM 08N TO 15N BETWEEN 119W AND 130W...AND FROM 10N TO 
20N BETWEEN 130W AND 140W.

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.


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