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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: Sun, 27 Feb 2022 04:20:40 +0000
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693 
FZPN01 KWBC 270420
HSFEP1

HIGH SEAS FORECAST 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
0430 UTC SUN FEB 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 FEB 27. 
24 HOUR FORECAST VALID 0000 UTC FEB 28. 
48 HOUR FORECAST VALID 0000 UTC MAR 01. 

.WARNINGS. 

...STORM WARNING... 
.LOW 55N140W 985 MB MOVING NW 10 KT. FRONT FROM LOW TO 54N135W 
TO 50N130W. WITHIN 180 NM E OF FRONT FROM 49N TO 55N WINDS 35 TO 
50 KT. SEAS 16 TO 25 FT. ELSEWHERE WITHIN 180 NM W AND SW 
QUADRANTS...AND 300 NM N...NE...AND 360 NM SE QUADRANTS...AND E 
OF FRONT WINDS 25 TO 40 KT. SEAS 12 TO 22 FT. 
.24 HOUR FORECAST LOW 58N141W 993 MB. WITHIN 180 NM E AND NE 
QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 16 FT. 
.48 HOUR FORECAST LOW 60N146W 1002 MB. WITHIN 180 NM NE  
QUADRANT WINDS TO 25 KT. SEAS TO 10 FT. 

...STORM WARNING... 
.LOW 41N167W 997 MB MOVING E 25 KT AND TURNING NE AFTER 24 
HOURS. WITHIN 540 NM S AND SW QUADRANTS WINDS 25 TO 40 KT. SEAS 
9 TO 19 FT. 
.12 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 42N158W 984 MB. 
WITHIN 480 NM SW AND S QUADRANTS WINDS 35 TO 50 KT. SEAS 14 TO 
23 FT. 
.24 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 41N156W 985 MB. 
WITHIN 420 NM S AND SW QUADRANTS WINDS 40 TO 55 KT. SEAS 15 TO 
34 FT. ELSEWHERE FROM 33N TO 45N BETWEEN 142W AND 166W WINDS 25 
TO 40 KT. SEAS 14 TO 28 FT. 
.48 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 43N143W 990 MB AND 
SECOND LOW 47N139W 993 MB. FROM 34N TO 45N BETWEEN 135W AND 154W 
 WINDS 25 TO 40 KT. SEAS 13 TO 26 FT. ELSEWHERE WITHIN 180 NM W 
AND NW QUADRANTS OF SECOND LOW WINDS 25 TO 35 KT. SEAS 8 TO 15 
FT. 

...STORM WARNING... 
.FROM 34N TO 52N BETWEEN 176W AND 160E WINDS 20 TO 30 KT. SEAS 8 
TO 14 FT. 
.24 HOUR FORECAST LOW 44N164E 985 MB. WITHIN 360 NM S QUADRANT 
WINDS 35 TO 50 KT. SEAS 9 TO 19 FT. ELSEWHERE FROM 32N TO 44N W 
OF 173E WINDS 25 TO 40 KT. SEAS 8 TO 16 FT.  
.48 HOUR FORECAST LOW 49N1721 962 MB. WITHIN 600 NM S AND SW 
QUADRANTS WINDS 40 TO 55 KT. SEAS 16 TO 28 FT. ELSEHWERE FROM 
34N TO 55N W OF 171W WINDS 25 TO 40 KT. SEAS 10 TO 22 FT. 

...GALE WARNING...
.LOW 44N130W 1005 MB MOVING NE 25 KT. FRONT FROM 49N129W TO LOW 
TO 40N129W TO 36N132W. WITHIN 300 NM S QUADRANT...300 NM E OF 
FRONT N OF 40N...AND 120 NM E OF FRONT S OF 40N WINDS 25 TO 40 
KT. SEAS 12 TO 21 FT.
.24 HOUR FORECAST LOW N OF AREA WITH CONDTIONS DESCRIBED BELOW 
HERE WITH LOW 46N132W. 

...GALE WARNING...
.LOW 46N140W 997 MB MOVING NE 25 KT. WITHIN 240 NM S AND SW 
QUADRANTS WINDS 25 TO 35 KT. SEAS 13 TO 19 FT.
.24 HOUR FORECAST LOW 51N133W 1004 MB. WITHIN 240 NM E AND NE 
QUADRANTS WINDS 25 TO 35 KT. SEAS 10 TO 16 FT.
.48 HOUR FORECAST LOW INLAND WITH ASSOCIATED CONDTIONS 
DIMINISHED.


...GALE WARNING... 
.LOW 48N171W 993 MB MOVING NE 20 KT. BETWEEN 480 NM AND 840 NM 
SW QUADRANT WINDS 30 TO 40 KT. SEAS 14 TO 21 FT...HIGHEST NEAR 
38N179W. ELSEWHERE WITHIN 180 NM SE...1200 NM SW AND 1080 NM NW 
QUADRANTS WINDS 20 TO 30 KT. SEAS 9 TO 16 FT IN MIXED SWELL. 
.24 HOUR FORECAST LOW 52N162W 992 MB. WITHIN 180 S SEMICIRCLE 
WINDS 20 TO 30 KT. SEAS TO 10 FT. 
.48 HOUR FORECAST LOW 57N157W. WITHIN 120 NM FROM LOW WINDS LESS 
THAN 25 KT. SEAS TO 9 FT. 

...GALE WARNING... 
.LOW 40N153W 1001 MB MOVING NE 30 KT. WITHIN 300 NM SE AND 600 
NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS 12 TO 22 FT. ELSEWHERE 
WITHIN 420 NM SE...720 NM SW AND 300 NM NW QUADRANTS WINDS 20 TO 
30 KT. SEAS 10 TO 17 FT IN MIXED SWELL. 
.24 HOUR FORECAST LOW 44N138W 1004 MB. WITHIN 500 NM NE...420 NM 
SE AND 780 NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS 10 TO 18 FT. 
.48 HOUR FORECAST LOW 52N131W 990 MB. WITHIN AN AREA BOUNDED BY 
A LINE FROM 47N124W TO 42N124W TO 42N129W TO 47N124W WINDS 30 TO 
45 KT. SEAS 12 TO 19 FT. ELSEWHERE WITHIN 180 NM FROM LOW...FROM 
42N TO 49N BETWEEN 124W AND 134W AND WITHIN 240 NM E AND SE OF A 
LINE FROM 42N129W TO 30N143W WINDS 20 TO 30 KT. SEAS 8 TO 15 FT 
IN MIXED SWELL. 

...GALE WARNING... 
.LOW 61N176W 969 MB MOVING NW 15 KT. FROM 55N TO 59N BETWEEN 
167W AND 173E WINDS 25 TO 35 KT. SEAS 8 TO 12 FT. 
.24 HOUR FORECAST LOW INLAND WELL NW OF AREA 65N175E 979 MB. N 
OF 57N W OF 177W WINDS 20 TO 30 KT. SEAS TO 10 FT. 
.48 HOUR FORECAST LOW WELL NW OF AREA AND ASSOCIATED CONDITIONS 
DIMINISHED. 

...GALE WARNING... 
.LOW JUST W OF AREA 54N168E MOVING NE 30 KT. WITHIN 540 NM SE 
SEMICIRCLE AND 540 NM SW QUADRANT WINDS 25 TO 35 KT. SEAS 8 TO 
15 FT. 
.24 HOUR FORECAST LOW ABSORBED BY INLAND LOW 65N175E WELL NW OF 
AREA DESCRIBED ABOVE. 

...GALE WARNING... 
.FROM 40N TO 50N BETWEEN 124W AND 130W AREA OF S WINDS 30 TO 40 
KT. SEAS 12 TO 20 FT. ELSEWHERE WITHIN AN AREA BOUNDED BY A LINE 
FROM 40N124W TO 50N125W TO 49N131W TO 42N131W TO 40N145W TO 
35N146W TO 31N139W TO 36N128W TO 40N124W WINDS 20 TO 30 KT. SEAS 
8 TO 16 FT IN MIXED SWELL 
.24 HOUR FORECAST CONDITIONS DESCRIBED BELOW WITH LOW 49N134W. 

.GALE WARNING... 
.LOW 46N143W 994 MB. WITHIN 600 NM NE...240 NM SE...SW AND 360 
NM W QUADRANTS WINDS 25 TO 35 KT. SEAS 12 TO 22 FT. 
.24 HOUR FORECAST LOW 49N133W 1004 MB. FROM 40N TO 55N BETWEEN 
124W AND 131W WINDS 20 TO 30 KT. SEAS 8 TO 16 FT IN MIXED SWELL. 

.SYNOPSIS AND FORECAST. 

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 57N W OF 
179W...AND N OF 57N BETWEEN 134W AND 149W. 
.24 HOUR FORECAST DENSE FOG N OF 58N BETWEEN 141W AND 149W... 
FROM 52N TO 56N BETWEEN 156W AND 162W...AND FROM 44N TO 47N W OF 
173E. 
.48 HOUR FORECAST DENSE FOG FROM 49N TO 56N BETWEEN 178W AND 
168E...AND N OF 59N BETWEEN 146W AND 150W. 

.HIGH 33N127W 1027 MB WILL REMAIN NEARLY STATIONARY. 
.24 HOUR FORECAST HIGH 33N127W 1028 MB. 
.48 HOUR FORECAST HIGH 33N128W 1025 MB.  

.HIGH 33N168E 1026 MB MOVING E 35 KT. 
.24 HOUR FORECAST HIGH 33N176W 1026 MB. 
.48 HOUR FORECAST HIGH 34N163W 1024 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 0000 UTC SUN FEB 27.
24 HOUR FORECAST VALID 0000 UTC MON FEB 28.
48 HOUR FORECAST VALID 0000 UTC TUE MAR  1.

.WARNINGS.

...GALE WARNING...
.WITHIN 11N96W TO 13N99W TO 16N96W TO 16N93W TO 15N94W TO
11N96W...INCLUDING THE GULF OF TEHUANTEPEC...NE WINDS 20 TO 30 
KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST WITHIN 15N95W TO 16N95W TO 16N94W TO 15N95W N 
WINDS 30 TO 35 KT. SEAS 8 TO 9 FT. ELSEWHERE WITHIN 15N94W TO 
14N95W TO 14N96W TO 15N96W TO 16N95W TO 15N94W N TO NE WINDS 20 
KT OR LESS. SEAS 8 TO 10 FT IN N TO NE SWELL.
.48 HOUR FORECAST WITHIN 15N94W TO 14N95W TO 14N96W TO 15N96W TO
16N95W TO 15N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 
30 TO 40 KT. SEAS 10 TO 14 FT. ELSEWHERE WITHIN 09N97W TO 11N99W
TO 16N95W TO 16N93W TO 13N93W TO 09N97W NE WINDS 20 TO 30 KT. 
SEAS 8 TO 10 FT.

.SYNOPSIS AND FORECAST.

.WITHIN 24N108W TO 23N108W TO 24N111W TO 29N113W TO 29N112W TO
24N108W...INCLUDING GULF OF CALIFORNIA...NW WINDS 20 TO 25 KT. 
SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST LITTLE CHANGE. 
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.WITHIN 09N120W TO 10N128W TO 14N130W TO 16N124W TO 14N120W TO
09N120W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 9 FT. ELSEWHERE 
WITHIN 11N115W TO 08N137W TO 09N140W TO 30N140W TO 22N132W TO 
11N115W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N SWELL. 
.24 HOUR FORECAST WITHIN 09N120W TO 06N140W TO 30N140W TO 30N123W
TO 22N124W TO 09N120W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW
SWELL. 
.48 HOUR FORECAST WITHIN 11N120W TO 05N140W TO 30N140W TO 30N117W
TO 20N123W TO 11N120W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.

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

CONVECTION VALID AT 0300 UTC SUN FEB 27...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
A TROUGH EXTENDS FROM 06N77W TO 04N93W. THE ITCZ CONTINUES FROM
04N93W TO 07N120W TO 06N140W. SCATTERED MODERATE IS NOTED 100 NM
N OF THE ITCZ FROM 09N TO 19N BETWEEN 86W AND 90W. 

$$
.FORECASTER TORRES. NATIONAL HURRICANE CENTER.


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