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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, 21 Feb 2022 09:54:58 +0000
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203 
FZPN01 KWBC 210954
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC MON FEB 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 FEB 21. 
24 HOUR FORECAST VALID 0600 UTC FEB 22.
48 HOUR FORECAST VALID 0600 UTC FEB 23.

.WARNINGS.

...STORM WARNING...
.LOW 47N161E 972 MB ROTATING NW TO SW 25 KT. WITHIN 180 NM NE AND
E OF A FRONT EXTENDING FROM LOW CENTER TO 45N164E TO 43N166E TO
40N166E...AND BETWEEN 240 NM AND 420 NM S QUADRANT WINDS 35 TO 50
KT. SEAS 13 TO 22 FT. ELSEWHERE N OF 40N W OF 174E WINDS 25 TO 35
KT. SEAS 11 TO 22 FT...HIGHEST NEAR 40N161E IN W SWELL.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY LOW
46N161E DESCRIBED BELOW.

...STORM WARNING...
.LOW 38N165E 989 MB MOVING NE 40 KT. WITHIN 360 NM E OF A FRONT
EXTENDING FROM 40N166W TO LOW CENTER TO 33N166E TO 30N164E WINDS
35 TO 50 KT. SEAS 12 TO 23 FT. ELSEWHERE FROM 30N TO 40N W OF
176E WINDS 25 TO 35 KT. SEAS 10 TO 22 FT...HIGHEST FROM 34N TO
40N W OF 168E IN MIXED SWELL.
.24 HOUR FORECAST LOW 51N174E 974 MB. WITHIN 180 NM N AND NE OF A
FRONT TO EXTEND FROM 53N167E TO 53N174E TO LOW CENTER...AND
WITHIN 240 NM NE AND E OF A FRONT TO EXTEND FROM LOW CENTER TO
46N178W TO 41N178W TO 36N179W TO 32N178E WINDS 30 TO 45 KT. SEAS
11 TO 20 FT. ELSEWHERE FROM 30N TO 55N BETWEEN 169W AND
174E...AND N OF 49N W OF 179W WINDS 25 TO 35 KT. SEAS 9 TO 22
FT...HIGHEST FROM 49N TO 53N W OF 169E IN MIXED SWELL.
.48 HOUR FORECAST LOW NW OF AREA NEAR 57N170E 970 MB. NE OF A
FRONT TO EXTEND FROM 57N175E TO 56N178W TO 52N172W WINDS 25 TO 40
KT. SEAS 8 TO 19 FT...HIGHEST N OF 55N W OF 175W. ELSEWHERE N OF
52N W OF 155W WINDS 20 TO 30 KT. SEAS 8 TO 18 FT...HIGHEST NEAR
52N171E IN MIXED SWELL.

...STORM WARNING...
.12 HOUR FORECAST LOW W OF AREA NEAR 45N155E 954 MB. WITHIN 840
NM SE QUADRANT WINDS 35 TO 50 KT. SEAS 17 TO 33 FT.
.24 HOUR FORECAST LOW 46N161E 956 MB. WITHIN 780 NM S QUADRANT
WINDS 40 TO 55 KT. SEAS 22 TO 40 FT. ELSEWHERE FROM 30N TO 49N W
OF 174E WINDS 25 TO 40 KT. SEAS 15 TO 27 FT.
.48 HOUR FORECAST LOW 49N171E 958 MB. BETWEEN 90 NM AND 840 NM S
QUADRANT WINDS 35 TO 50 KT. SEAS 25 TO 37 FT. ELSEWHERE FROM 30N
TO 52N W OF 175W WINDS 25 TO 35 KT. SEAS 13 TO 27 FT IN MIXED
SWELL.

...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 56N180W 978 MB MOVING N 10 KT AND
SECOND CENTER 51N180W 991 MB MOVING NE 25 KT. WITHIN 540 NM
E...AND BETWEEN 120 NM AND 300 NM W QUADRANTS OF MAIN
CENTER...AND WITHIN 240 NM S QUADRANT OF SECOND CENTER WINDS 30
TO 45 KT. SEAS 12 TO 24 FT. ELSEWHERE N OF 44N BETWEEN 159W AND
171E WINDS 20 TO 30 KT. SEAS 10 TO 21 FT...HIGHEST WITHIN 420 NM
S QUADRANT OF SECOND CENTER IN NW SWELL.
.24 HOUR FORECAST COMBINED LOW 60N178W 989 MB. N OF 54N BETWEEN
159W AND 178W WINDS 25 TO 35 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY LOW
49N171E DESCRIBED ABOVE.

...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 40N162W 1009 MB ROTATING SW TO SE
10 KT. WITHIN 180 NM NE OF A FRONT EXTENDING FROM 41N160W TO
38N155W TO 33N150W WINDS 25 TO 35 KT. SEAS 11 TO 14 FT. ELSEWHERE
FROM 30N TO 53N BETWEEN 142W AND 167W...AND FROM 30N TO 44N
BETWEEN 167W AND 176E WINDS 20 TO 30 KT. SEAS 8 TO 15
FT...HIGHEST NEAR 39N179E IN NW SWELL.
.24 HOUR FORECAST COMBINED LOW 39N158W 1002 MB. WITHIN 240 NM S
AND W QUADRANTS...AND WITHIN 180 NM NE OF A FRONT TO EXTEND FROM
41N155W TO 39N152W TO 36N149W WINDS 30 TO 45 KT. SEAS 12 TO 21
FT. ELSEWHERE FROM 30N TO 51N BETWEEN 143W AND 169W WINDS 20 TO
30 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST LOW 46N152W 1003 MB. WITHIN 420 NM NE...360 NM
E...AND 420 NM SE QUADRANTS WINDS 25 TO 40 KT. SEAS 11 TO 18 FT.
ELSEWHERE FROM 30N TO 55N BETWEEN 141W AND 157W WINDS 20 TO 30
KT. SEAS 8 TO 15 FT.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 57N156W 1011 MB. N OF A FRONT TO EXTEND
FROM LOW CENTER TO 59N151W TO 59N145W WINDS 25 TO 35 KT. SEAS TO
11 FT. ELSEWHERE N OF 51N E OF 159W WINDS 20 TO 30 KT. SEAS 8 TO
14 FT IN SW SWELL.
.48 HOUR FORECAST LOW 59N147W 1017 MB. N OF 55N E OF 154W WINDS
20 TO 30 KT. SEAS TO 11 FT.

...GALE WARNING...
.48 HOUR FORECAST NEW LOW 50N170W 976 MB. WITHIN 120 NM NE OF A
FRONT TO EXTEND FROM LOW CENTER TO 47N165W TO 43N163W...AND
WITHIN 300 NM E AND SE OF A FRONT TO EXTEND FROM 43N163W TO
38N163W TO 33N169W WINDS 25 TO 40 KT. SEAS 9 TO 16 FT. ELSEWHERE
FROM 30N TO 54N BETWEEN 157W AND 174W WINDS 20 TO 30 KT. SEAS 9
TO 17 FT...IN MIXED SWELL.

.SYNOPSIS AND FORECAST.

.FROM 32N TO 58N BETWEEN 121W AND A LINE FROM 33N132W TO 43N139W
TO 48N144W TO 58N144W AREA OF NW TO N WINDS 20 TO 30 KT. SEAS 8
TO 13 FT.
.24 HOUR FORECAST FROM 30N TO 53N BETWEEN 117W AND 139W AREA OF N
TO NW WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.
.48 HOUR FORECAST FROM 30N TO 51N E OF 139W AREA OF N TO NW WINDS
20 TO 30 KT. SEAS 8 TO 15 FT.

.LIGHT TO MODERATE FREEZING SPRAY N OF 58N W OF 178W.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 55N W OF
179W.
.48 HOUR FORECAST CONDITIONS IMPROVED. 

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 44N TO 51N
BETWEEN 158W AND 162W...AND N OF 52N BETWEEN 174W AND 174E...AND
FROM 44N TO 48N W OF 164E.
.24 HOUR FORECAST DENSE FOG N OF 45N BETWEEN 157W AND 163W...AND
N OF 57N BETWEEN 147W AND 153W...AND N OF 54N BETWEEN 169W AND
175W...AND FROM 48N TO 53N W OF 180W.
.48 HOUR FORECAST DENSE FOG NE OF A LINE FROM 56N135W TO
59N140W...AND FROM 46N TO 56N BETWEEN 152W AND 167W...AND WITHIN
240 NM NE OF A FRONT TO EXTEND FROM 57N176E TO 51N174W.

.HIGH 47N145W 1038 MB MOVING NE 05 KT.
.24 HOUR FORECAST HIGH 48N141W 1036 MB.
.48 HOUR FORECAST HIGH 47N135W 1034 MB.

.HIGH 31N177W 1023 MB MOVING E 25 KT.
.24 HOUR FORECAST HIGH 31N166W 1023 MB.
.48 HOUR FORECAST HIGH 31N154W 1024 MB.

.FORECASTER FOLMER. OCEAN PREDICTION CENTER.

NWS 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 FEB 21.
24 HOUR FORECAST VALID 0600 UTC TUE FEB 22.
48 HOUR FORECAST VALID 0600 UTC WED FEB 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.GULF OF TEHUANTEPEC WITHIN 14N95W TO 14N96W TO 16N95W TO 15N95W
TO 14N95W N WINDS 20 TO 30 KT. SEAS TO 8 FT.
.15 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.WITHIN 10N87W TO 10N91W TO 12N89W TO 11N88W TO 11N86W TO
10N87W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 30
KT. SEAS LESS THAN 8 FT. WITHIN 09N93W TO 09N99W TO 09N106W TO 
10N107W TO 10N93W TO 09N93W WINDS 20 KT OR LESS. SEAS 8 FT IN
MIXED SWELL.
.24 HOUR FORECAST WITHIN 10N87W TO 10N90W TO 12N89W TO 12N87W TO
11N86W TO 10N87W...INCLUDING THE GULF OF PAPAGAYO...NE TO E 
WINDS 20 TO 30 KT. SEAS TO 8 FT. WITHIN 07N99W TO 07N99W TO 
08N100W TO 09N99W TO 08N98W TO 07N99W WINDS 20 KT OR LESS. SEAS 8
FT IN MIXED N AND NE SWELL. 
.48 HOUR FORECAST WITHIN 11N87W TO 10N89W TO 12N89W TO 12N88W TO
11N87W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25
KT. SEAS LESS THAN 8 FT.

.WITHIN 06N79W TO 06N81W TO 07N80W TO 08N79W TO 08N79W TO
06N79W...INCLUDING THE GULF OF PANAMA...N WINDS 20 TO 25 KT. 
SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 06N79W TO 06N81W TO 05N81W TO 07N81W TO
07N79W TO 06N79W...INCLUDING THE GULF OF PANAMA...N TO NE WINDS 
20 TO 25 KT. SEAS LESS THAN 8 FT.
.33 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.GULF OF CALIFORNIA WITHIN 30.5N114W TO 30N114.5W TO 30.5N114.5W
TO 31N114W TO 30.5N114W S TO SW WINDS 20 TO 30 KT. SEAS LESS 
THAN 8 FT.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST GULF OF CALIFORNIA WITHIN 30N113W TO 30N114W 
TO 30N115W TO 31N114W TO 31N113W TO 30N113W SW WINDS 20 TO 30 KT.
SEAS TO 8 FT.

.WITHIN 01N135W TO 04N140W TO 16N140W TO 14N129W TO 09N121W TO
01N135W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED N AND NE 
SWELL.
.24 HOUR FORECAST WITHIN 03N136W TO 04N140W TO 13N140W TO 
12N131W TO 15N118W TO 03N136W WINDS 20 KT OR LESS. SEAS 8 TO 10 
FT IN MIXED NW AND NE SWELL.
.48 HOUR FORECAST WITHIN 09N126W TO 06N140W TO 15N140W TO 
15N121W TO 13N125W TO 09N126W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT
IN MIXED N AND E SWELL. WITHIN 21N138W TO 20N136W TO 18N140W TO 
24N140W TO 24N138W TO 21N138W WINDS 20 KT OR LESS. SEAS 8 FT IN 
MIXED NE SWELL. 

.WITHIN 03.4S115W TO 03S116W TO 03.4S117W TO 01S116W TO 02S115W
TO 03.4S115W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED S AND SE
SWELL.
.15 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.12 HOUR FORECAST WITHIN 30N123W TO 30N125.5W TO 30N127.5W TO
30N123W WINDS 20 KT OR LESS. SEAS 8 FT IN NW TO N SWELL.
.24 HOUR FORECAST WITHIN 29N120W TO 28N123W TO 29N128W TO 
30N129W TO 30N118W TO 29N120W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT
IN N SWELL.
.48 HOUR FORECAST WITHIN 28N120W TO 29N124W TO 30N127W TO 
30N117W TO 28N120W NW WINDS 20 TO 25 KT. SEAS 8 TO 9 FT IN NW TO 
N SWELL.

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

CONVECTION VALID AT 0815 UTC MON FEB 21...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
A TROUGH EXTENDS FROM NEAR 09.5N74.5W TO 04N80W TO 03.5N95W. THE
ITCZ CONTINUES FROM 03.5N95W TO 05N112W...THEN RESUMES FROM 
06.5N118W TO 07.5N130W TO BEYOND 07N140W. SCATTERED MODERATE 
ISOLATED STRONG CONVECTION IS WITHIN 120 NM N OF ITCZ W OF 132W.

 
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.

$$


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