STORM WARNING.
DEVELOPING LOW 936 HPA
AT 48N 172E SEA SOUTH OF ALEUTIANS MOVING NE 35 KNOTS.
OCCLUDED FRONT FROM 47N 169E TO 49N 169E 50N 173E 48N 176E 43N 177E.
WARM FRONT FROM 43N 177E TO 41N 179E 38N 180E.
COLD FRONT FROM 43N 177E TO 39N 175E 35N 171E 32N 167E 29N 160E.
WINDS 30 TO 70 KNOTS WITHIN 1100 MILES OF LOW SOUTH SEMICIRCLE AND
400 MILES ELSEWHERE.
EXPECTED WINDS 30 TO 70 KNOTS WITHIN 1200 MILES OF LOW SOUTH
SEMICIRCLE AND 500 MILES ELSEWHERE FOR NEXT 24 HOURS.
FORECAST POSITION FOR 151200UTC AT 51N 175E WITH UNCERTAINTY OF 65
MILES RADIUS.
FORECAST POSITION FOR 160000UTC AT 52N 176E WITH UNCERTAINTY OF 80
MILES RADIUS.
WARNING.
DENSE FOG OBSERVED LOCALLY OVER WATERS BOUNDED BY 46N 167E 55N 166E
53N 180E 48N 180E 46N 167E.

2024/12/15 0000Z

早上22Z前后的ASCAT-C，基本扫中了最大风区，出现了80kt的风旗。考虑到风速最大的区域出现在Sting jet的对流区域内，可能存在一定的降水衰减，同时该温带气旋的RMW也较一般的温带气旋更小更紧实一些，因此此时的最大风速还有上推空间。而此时距离该系统巅峰也已过去4~6小时，巅峰有100kt左右的概率相当大。

...HURRICANE FORCE WIND WARNING...
.LOW 47N171E 934 MB MOVING NE 15 KT. BETWEEN 60 NM AND 180 NM S
AND 90 NM AND 180 NM W QUADRANTS WINDS 75 TO 100 KT. SEAS 35 TO
56 FT. ELSEWHERE BETWEEN 90 NM AND 240 NM SE...90 NM AND 300 NM
S...90 NM AND 240 NM SW QUADRANTS AND WITHIN 180 NM NE AND E OF A
FRONT FROM 50N172E TO 49N176E TO 44N177E TO 34N172E WINDS 55 TO
75 KT. SEAS 24 TO 39 FT. ALSO BETWEEN 120 NM AND 420 NM
NE...WITHIN 780 NM SE...1020 NM S...540 NM SW AND 420 NM NW
QUADRANTS WINDS 40 TO 55 KT. SEAS 12 TO 28 FT...HIGHEST S AND SW
QUADRANTS. ADDITIONALLY FROM 30N TO 54N W OF 175W WINDS 25 TO 35
KT. SEAS 9 TO 19 FT.
.24 HOUR FORECAST LOW 52N178E 942 MB. FROM 45N TO 50N BETWEEN
178W AND 168E WINDS 50 TO 65 KT. SEAS 32 TO 48 FT. ELSEWHERE
WITHIN 420 NM NE...1320 NM SE...780 NM S...660 NM SW AND 300 NM
NW QUADRANTS WINDS 35 TO 50 KT. SEAS 16 TO 35 FT...HIGHEST SE AND
S QUADRANTS. ALSO FROM 30N TO 50N BETWEEN 157W AND 170E AND
WITHIN 900 NM NE AND 780 NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS
12 TO 28 FT.
.48 HOUR FORECAST LOW 54N178E 961 MB. WITHIN 780 NM NE...240 NM N
AND 720 NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS 12 TO 25
FT...HIGHEST NEAR 57N179E. ELSEWHERE N OF 52N N OF THE ALEUTIAN
ISLANDS BETWEEN 157W AND 167E WINDS 20 TO 30 KT. SEAS 8 TO 16 FT
IN MIXED SWELL.

ASCAT-B没有扫到最大风区，但是可以看出来该系统南侧有相当大一片区域风力很强

0759Z PASY在距离中心不是很远的地方测得947.6hPa，按照数值预测该站过程最低气压可达943hPa左右

STORM WARNING.
DEVELOPED LOW 934 HPA
AT 50N 174E SEA AROUND ALEUTIANS MOVING NNE 30 KNOTS.
OCCLUDED FRONT FROM 49N 171E TO 52N 172E 52N 180E 47N 176W.
WARM FRONT FROM 47N 176W TO 44N 173W 41N 172W.
COLD FRONT FROM 47N 176W TO 42N 177W 37N 180E 34N 175E 31N 170E 30N
164E.
WINDS 30 TO 65 KNOTS WITHIN 1300 MILES OF LOW SOUTH SEMICIRCLE AND
500 MILES ELSEWHERE.
EXPECTED WINDS 30 TO 65 KNOTS WITHIN 1400 MILES OF LOW SOUTHEAST
SEMICIRCLE AND 500 MILES ELSEWHERE FOR NEXT 24 HOURS.
FORECAST POSITION FOR 151800UTC AT 52N 176E WITH UNCERTAINTY OF 50
MILES RADIUS.
FORECAST POSITION FOR 160600UTC AT 52N 177E WITH UNCERTAINTY OF 80
MILES RADIUS.
WARNING.
DENSE FOG OBSERVED LOCALLY OVER WATERS BOUNDED BY 47N 172E 55N 168E
55N 180E 48N 180E 47N 172E.