...STORM WARNING...
.LOW 52N176E 939 MB MOVING NE 05 KT. WITHIN 480 NM S AND SW
QUADRANTS AND BETWEEN 240 NM AND 420 NM N AND NE QUADRANTS WINDS
45 TO 60 KT. SEAS 35 TO 51 FT. ELSEWHERE FROM 35N TO 59N W OF
45N175W AND WITHIN 120 NM EITHER SIDE OF A LINE FROM 35N170W TO
40N166W TO 53N170W TO 57N180W WINDS 30 TO 45 KT. SEAS 18 TO 37
FT. OTHERWISE W OF 160W SW OF A LINE FROM 50N160W TO 50N175W
WINDS 20 TO 30 KT. SEAS 8 TO 18 FT.
.24 HOUR FORECAST LOW 54N178E 955 MB. WITHIN 240 NM NE AND 420 NM
SE QUADRANTS WINDS 30 TO 40 KT. SEAS 18 TO 32 FT. ELSEWHERE N OF
50N W OF ALASKA WINDS 20 TO 30 KT. SEAS 8 TO 18 FT.
.48 HOUR FORECAST LOW AND CONDITIONS DESCRIBED WITH LOW 52N178W
BELOW.

PASY过程最低海压945.1hPa

STORM WARNING.
DEVELOPED LOW 944 HPA
AT 52N 176E SEA AROUND ALEUTIANS MOVING NE 10 KNOTS.
WINDS 30 TO 50 KNOTS WITHIN 1300 MILES OF LOW SOUTHEAST SEMICIRCLE
AND 600 MILES ELSEWHERE.
EXPECTED WINDS 30 TO 50 KNOTS WITHIN 1300 MILES OF LOW SOUTHEAST
SEMICIRCLE AND 600 MILES ELSEWHERE FOR NEXT 24 HOURS.
FORECAST POSITION FOR 161200UTC AT 53N 178E WITH UNCERTAINTY OF 50
MILES RADIUS.
FORECAST POSITION FOR 170000UTC AT 55N 176E WITH UNCERTAINTY OF 80
MILES RADIUS.
WARNING.
DENSE FOG OBSERVED LOCALLY OVER WATERS BOUNDED BY 50N 162E 55N 162E
58N 170E 58N 180E 46N 180E 47N 170E 50N 162E.

PASY和浮标实测最低气压时刻的位置和云图

2024/12/16 0000Z

...STORM WARNING...
.COMPLEX LOW WITH MAIN CENTER 52N176E 943 MB MOVING NE 05 KT
THEN TURNING NW AFTER 12 HOURS AND A NEW SECOND LOW 48N166W 975
MB MOVING N 20 KT. WITHIN 420 NM S AND SW QUADRANTS OF MAIN LOW
WINDS 40 TO 55 KT. SEAS 22 TO 39 FT. ALSO FROM 42N TO 52N
BETWEEN 176W AND 167E AND WITHIN 180 NM NW AND N OF A FRONT FROM
52N168E TO 55N170E TO 56N178E TO 53N171W TO 50N167W W OF 169W
WINDS 35 TO 50 KT. SEAS 17 TO 33 FT...HIGHEST S OF LOW.
ELSEWHERE FROM 35N TO 48N BETWEEN 173W AND 167E...WITHIN 540 NM
NW AND 360 NM SE SEMICIRCLES AND WITHIN 240 NM N AND NE OF FRONT
AND ALSO FROM 33N TO 50N BETWEEN 158W AND 166W WINDS 25 TO 40
KT. SEAS 11 TO 29 FT...HIGHEST NEAR 42N179E WITH MIXED SWELL.
OTHERWISE W OF A LINE FROM 59N161W TO 40N156W TO 30N158W WINDS
20 TO 30 KT. SEAS 8 TO 17 FT.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 54N175E 955 MB.
WITHIN THE BERING SEA N OF 55N AND WITHIN 540 NM W QUADRANT
WINDS 25 TO 40 KT. SEAS 8 TO 22 FT...HIGHEST W OF 179E.
ELSEWHERE N OF 50N W OF 158W WINDS 20 TO 30 KT. SEAS 8 TO 18 FT.
.48 HOUR FORECAST LOW AND CONDITIONS DESCRIBED WITH COMPLEX LOW
52N175W BELOW.

STORM WARNING.
DEVELOPED LOW 948 HPA
AT 53N 177E SEA AROUND ALEUTIANS MOVING NE SLOWLY.
WINDS 30 TO 50 KNOTS WITHIN 900 MILES OF LOW SOUTH SEMICIRCLE AND 500
MILES ELSEWHERE.
EXPECTED WINDS 30 TO 50 KNOTS WITHIN 1500 MILES OF LOW SOUTHEAST
SEMICIRCLE AND 500 MILES ELSEWHERE FOR NEXT 24 HOURS.
FORECAST POSITION FOR 161800UTC AT 54N 177E WITH UNCERTAINTY OF 50
MILES RADIUS.
FORECAST POSITION FOR 170600UTC AT 55N 170E WITH UNCERTAINTY OF 80
MILES RADIUS.
WARNING.
DENSE FOG OBSERVED LOCALLY OVER WATERS BOUNDED BY 50N 162E 55N 162E
57N 165E 60N 180E 45N 180E 46N 173E 50N 162E.

...STORM WARNING...
.LOW 52N177E 950 MB MOVING NE 10 KT NEXT 12 HOURS THEN TURNING
NW 20 KT. FROM 43N TO 51N BETWEEN 173W AND 178E AND WITHIN 360
NM S AND SW QUADRANTS AND BETWEEN 240 NM AND 420 NM N AND NW
QUADRANTS WINDS 40 TO 50 KT. SEAS 21 TO 37 FT...HIGHEST NEAR
48N177E. ALSO FROM 36N TO 50N BETWEEN 170W AND 170E AND WITHIN
480 NM SW AND W AND 360 NM E QUADRANTS AND N OF 53N W OF 165W
WINDS 25 TO 40 KT. SEAS 14 TO 30 FT...EXCEPT N OF 53N SEAS 8 TO
21 FT. ELSEWHERE EXCEPT WHERE NOTED WITH LOW 46N159E
BELOW...OVER BERING SEA AND S OF 53N W OF 168W WINDS 20 TO 30
KT. SEAS 9 TO 20 FT IN MIXED SWELL...EXCEPT IN BERING SEA 10 FT
OR LESS.
.24 HOUR FORECAST LOW 55N170E 959 MB. WITHIN 300 NM NW AND SW
SEMICIRCLES AND OVER BERING SEA N OF 55N W OF 170W WINDS 25 TO
40 KT. SEAS 10 TO 21 FT...HIGHEST W OF 177E.
.48 HOUR FORECAST LOW 51N165E 975 MB. BETWEEN 51N AND A LINE
FROM 36N177E TO 45N160E WINDS 30 TO 45 KT. SEAS 15 TO 26 FT.

GALE WARNING.
DEVELOPED LOW 956 HPA
AT 53N 177E SEA AROUND ALEUTIANS MOVING NORTH SLOWLY.
WINDS 30 TO 45 KNOTS WITHIN 700 MILES OF LOW WEST SEMICIRCLE AND 500
MILES ELSEWHERE.
EXPECTED WINDS 30 TO 45 KNOTS WITHIN 1500 MILES OF LOW SOUTHEAST
SEMICIRCLE AND 600 MILES ELSEWHERE FOR NEXT 24 HOURS.
WARNING.
DENSE FOG OBSERVED LOCALLY OVER WATERS BOUNDED BY 50N 162E 55N 162E
58N 163E 59N 180E 45N 180E 45N 173E 49N 173E 50N 162E.

...GALE WARNING...
.LOW 53N178E 955 MB MOVING W 20 KT. WITHIN AN AREA BOUNDED BY A
LINE FROM 46N176E TO 51N162E TO 65N167W TO 53N169W TO 46N176E
WINDS 25 TO 40 KT. SEAS 10 TO 32 FT...HIGHEST S OF CENTER.
.24 HOUR FORECAST LOW 54N168E 964 MB. N OF 50N W OF 170E WINDS 25
TO 35 KT. SEAS 10 TO 17 FT.
.48 HOUR FORECAST LOW 51N163E 979 MB. N OF 39N W OF 170E WINDS 25
TO 35 KT. SEAS 10 TO 19 FT.
...STORM WARNING...
.LOW 50N164W 962 MB MOVING NE 10 KT. WITHIN 120 NM S SEMICIRCLE
WINDS 40 TO 50 KT. SEAS 20 TO 28 FT. ELSEWHERE WITHIN AN AREA
BOUNDED BY A LINE FROM 46N176E TO 59N162W TO 54N147W TO 35N161W
TO 36N179E TO 46N176E WINDS 25 TO 40 KT. SEAS 10 TO 32
FT...HIGHEST NEAR 50N180W...EXCEPT WHERE DESCRIBED ELSEWHERE.
.24 HOUR FORECAST LOW 53N160W 970 MB WITHIN 240 NM E
SEMICIRCLE...AND FROM 55N TO 61N BETWEEN 180W AND 145W WINDS 25
TO 35 KT. SEAS 10 TO 22 FT.
.48 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS
DIMINISHED.