...HURRICANE FORCE WIND WARNING...
.30 HOUR FORECAST LOW JUST W OF AREA NEAR 40N157E 972 MB. WITHIN
480 NM SE QUADRANT WINDS 35 TO 50 KT. SEAS 13 TO 27 FT.
.48 HOUR FORECAST LOW 47N171W 938 MB. WITHIN 240 NM S SEMICIRCLE
WINDS 70 TO 100 KT. SEAS 24 TO 48 FT. ELSEWHERE WITHIN 480 NM S
SEMICIRCLE AND 180 NM NW QUADRANT WINDS 45 TO 70 KT. SEAS 20 TO
40 FT...EXCEPT 13 TO 27 FT IN NW QUADRANT. ALSO WITHIN 1200 NM S
SEMICIRCLE...AND 360 NM NW AND 600 NM NE QUADRANTS WINDS 30 TO 45
KT. SEAS 13 TO 27 FT...EXCEPT 9 TO 18 FT IN NW AND NE QUADRANTS.

STORM WARNING.
DEVELOPING LOW 1018 HPA
AT 31N 134E SEA SOUTH OF JAPAN MOVING ENE 25 KNOTS.
EXPECTED WINDS 30 TO 50 KNOTS WITHIN 900 MILES OF LOW SOUTHWEST
SEMICIRCLE AND 400 MILES ELSEWHERE WITHIN NEXT 24 HOURS.
FORECAST POSITION FOR 131200UTC AT 33N 139E WITH UNCERTAINTY OF 50
MILES RADIUS.
FORECAST POSITION FOR 140000UTC AT 38N 150E WITH UNCERTAINTY OF 80
MILES RADIUS.

注意到OPC上望100KT/938hPa，如果实现将会成为北太平洋有记录以来风速最强温带气旋之一。印象里以前还从来没看到过OPC预报北太平洋100KT大温气。

EC和ICON均报出该温气可能刷出60m/s左右的阵风，GFS则报了50m/s阵风，这在北太平洋温气里面非常罕见

STORM WARNING.
DEVELOPING LOW 1012 HPA
AT 31N 136E SEA SOUTH OF JAPAN MOVING ENE 30 KNOTS.
EXPECTED WINDS 30 TO 50 KNOTS WITHIN 1200 MILES OF LOW SOUTHWEST
SEMICIRCLE AND 600 MILES ELSEWHERE WITHIN NEXT 24 HOURS.
FORECAST POSITION FOR 131800UTC AT 34N 144E WITH UNCERTAINTY OF 50
MILES RADIUS.
FORECAST POSITION FOR 140600UTC AT 40N 155E WITH UNCERTAINTY OF 80
MILES RADIUS.
——————————
LOW 1012 HPA AT 37N 136E EAST 15 KT.
——————————
按照数值预报该温带气旋貌似可能是这两个系统合并而成，但是JMA目前分开算而且SW给了日本以南那个，而OPC只有北边那个。

各数值对NP12的阵风预报都非常高潮，不过持续风预报就没那么高了

STORM WARNING.
DEVELOPING LOW 1008 HPA
AT 33N 138E SEA SOUTH OF JAPAN MOVING ENE 30 KNOTS.
WARM FRONT FROM 33N 138E TO 32N 142E 30N 144E.
COLD FRONT FROM 33N 138E TO 30N 136E 28N 132E.
WINDS 30 TO 35 KNOTS WITHIN 600 MILES OF LOW WEST SEMICIRCLE AND 400
MILES ELSEWHERE.
EXPECTED WINDS 30 TO 65 KNOTS WITHIN 1400 MILES OF LOW SOUTHWEST
SEMICIRCLE AND 500 MILES ELSEWHERE WITHIN NEXT 24 HOURS.
FORECAST POSITION FOR 140000UTC AT 38N 151E WITH UNCERTAINTY OF 50
MILES RADIUS.
FORECAST POSITION FOR 141200UTC AT 42N 160E WITH UNCERTAINTY OF 80
MILES RADIUS.
ANOTHER LOW 1008 HPA AT 37N 137E
MOVING EAST 15 KNOTS.

...HURRICANE FORCE WIND WARNING...
.18 HOUR FORECAST LOW W OF AREA 40N155E 972 MB. WITHIN 480 NM E
AND SE QUADRANTS WINDS 40 TO 55 KT. SEAS 9 TO 16 FT.
.24 HOUR FORECAST LOW 42N161E 956 MB. WITHIN 120 NM S SEMICIRCLE
WINDS 70 TO 90 KT. SEAS 18 TO 34 FT. ELSEWHERE WITHIN 300 NM
E...240 NM S...120 NM W...AND 180 NM N QUADRANTS WINDS 50 TO 65
KT. SEAS 11 TO 26 FT...HIGHEST IN S QUADRANT. ALSO W OF A LINE
FROM 32N160E TO 39N170E TO 43N170E TO 46N165E WINDS 40 TO 50 KT.
SEAS 10 TO 20 FT. OTHERWISE FROM 30N TO 46N W OF 176E WINDS 25
TO 40 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST LOW 52N173E 936 MB. BETWEEN 120 NM AND 360 NM
S QUADRANT WINDS 55 TO 75 KT. SEAS 30 TO 46 FT. ELSEWHERE WITHIN
300 NM E...540 NM S AND SW...AND 360 NM NW AND N QUADRANTS...AND
WITHIN 120 NM NE OF A FRONT FROM 55N173E TO 49N174W TO 37N174W
WINDS 40 TO 55 KT. SEAS 14 TO 34 FT...HIGHEST IN S QUADRANT.
ALSO NW OF A LINE FROM 30N171E TO 33N166W TO 56N169W WINDS 25 TO
40 KT. SEAS 11 TO 28 FT...HIGHEST S OF LOW CENTER.

GFS本报上望持续80kt/阵风100kt/935hPa，略调强。注意GFS预报风速一直比其它数值略弱