...HURRICANE FORCE WIND WARNING...
.12 HOUR FORECAST RAPIDLY INTENSIFYING COMPLEX LOW WITH FIRST
CENTER SW OF AREA 51N169E 980 MB AND SECOND CENTER SW OF AREA
47N169E 986 MB. FROM 50N TO 53N BETWEEN 171E AND 178E WINDS 25 TO
40 KT. SEAS 3 TO 6 M.
.18 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 54N170E 967 MB
AND SECOND CENTER 52N172E 967 MB. FROM 49N TO 55N BETWEEN 179W
AND 171E WINDS 45 TO 60 KT. SEAS 4 TO 7.5 M.
.21 HOUR FORECAST COMBINED LOW 54N172E 956 MB. FROM 52N TO 56N
BETWEEN 171E AND 178E WINDS 50 TO 65 KT. SEAS 4.5 TO 8.5 M.
.24 HOUR FORECAST LOW 56N172E 951 MB. FROM 53N TO 57N BETWEEN
171E AND 178E WINDS 50 TO 65 KT. SEAS 6 TO 10 M. ELSEWHERE W OF A
LINE FROM 48N180W TO 54N174W TO 58N177W TO 59N178E WINDS 40 TO 50
KT. SEAS 4 TO 8 M. OTHERWISE W OF A LINE FROM 44N180W TO 56N165W
TO 61N179W WINDS 25 TO 40 KT. SEAS 3 TO 6 M.
.48 HOUR FORECAST LOW NW OF AREA 64N177E 970 MB. FROM 58N TO 64N
BETWEEN 174W AND 175E WINDS 35 TO 45 KT. SEAS 5 TO 10 M.
ELSEWHERE N OF 57N W OF 163W WINDS 25 TO 35 KT. SEAS 3 TO 6 M.

GFS 18Z

STORM WARNING.
DEVELOPING LOW 992 HPA
AT 44N 163E FAR OFF EAST OF JAPAN MOVING NE 40 KNOTS.
WARM FRONT FROM 44N 163E TO 42N 166E 40N 167E.
COLD FRONT FROM 44N 163E TO 40N 160E 37N 155E 35N 153E 34N 150E.
STATIONARY FRONT FROM 34N 150E TO 33N 142E 33N 135E.
WINDS 30 TO 45 KNOTS WITHIN 600 MILES OF LOW SOUTH SEMICIRCLE AND 500
MILES ELSEWHERE.
EXPECTED WINDS 30 TO 60 KNOTS WITHIN 900 MILES OF LOW SOUTH
SEMICIRCLE AND 400 MILES ELSEWHERE WITHIN NEXT 18 HOURS.
FORECAST POSITION FOR 261200UTC AT 53N 171E WITH UNCERTAINTY OF 65
MILES RADIUS.
FORECAST POSITION FOR 270000UTC AT 58N 173E WITH UNCERTAINTY OF 80
MILES RADIUS.

...HURRICANE FORCE WIND WARNING...
.06 HOUR FORECAST LOW 51N169E 979 MB. WITHIN 300 NM NE AND 540 NM
SE QUADRANTS WINDS 25 TO 40 KT. SEAS 3 TO 5.5. M.
.12 HOUR FORECAST LOW 53N170E 968 MB. WITHIN 420 NM SE QUADRANT
WINDS 45 TO 60 KT. SEAS 4.5 TO 7.5 M.
.24 HOUR FORECAST LOW 58N173E 947 MB. WITHIN 120 NM NE AND 240 NM
SE QUADRANTS WINDS 50 TO 70 KT. SEAS 8 TO 13 M. ELSEWHERE WITHIN
360 NM E SEMICIRCLE WINDS 35 TO 50 KT. SEAS 6 TO 9 M. ALSO WITHIN
540 NM NE AND 720 NM SE QUADRANTS WINDS 25 TO 35 KT. SEAS 4 TO 6
M. ALSO WITHIN 900 NM SE QUADRANT WINDS TO 25 KT. SEAS... 2.5 TO
4 M.
.48 HOUR FORECAST LOW W OF AREA NEAR 66N176E 976 MB. WITHIN 480
NM SE QUADRANT WINDS 25 TO 40 KT. SEAS 4.5 TO 7.5 M. ELSEWHERE
WITHIN 1140 NM SE QUADRANT WINDS TO 25 KT. SEAS 2.5 TO 5 M.

GFS 00Z

EC 00Z

STORM WARNING.
DEVELOPING LOW 980 HPA
AT 49N 169E SEA EAST OF KURILS MOVING NNE 40 KNOTS.
WARM FRONT FROM 49N 169E TO 51N 173E 51N 180E.
COLD FRONT FROM 49N 169E TO 44N 169E 40N 165E 38N 162E 36N 159E 34N
154E.
STATIONARY FRONT FROM 34N 154E TO 33N 151E 33N 146E 34N 139E 33N 138E
32N 136E.
WINDS 30 TO 50 KNOTS WITHIN 800 MILES OF LOW SOUTH SEMICIRCLE AND 400
MILES ELSEWHERE.
EXPECTED WINDS 30 TO 60 KNOTS WITHIN 900 MILES OF LOW SOUTH
SEMICIRCLE AND 500 MILES ELSEWHERE WITHIN NEXT 12 HOURS.
FORECAST POSITION FOR 261800UTC AT 53N 172E WITH UNCERTAINTY OF 65
MILES RADIUS.
FORECAST POSITION FOR 270600UTC AT 58N 173E WITH UNCERTAINTY OF 80
MILES RADIUS.
ANOTHER LOW 988 HPA AT 53N 163E
MOVING NE 20 KNOTS.

...HURRICANE FORCE WIND WARNING...
.COMPLEX LOW WITH MEAN CENTER 49N169E 982 MB MOVING NE 25 KT.
WITHIN 360 NM NE AND 540 NM SE QUADRANTS WINDS 25 TO 40 KT. SEAS
3 TO 6 M. ELSEWHERE WITHIN 660 NM NE AND 780 NM SE QUADRANTS
WINDS TO 25 KT. SEAS TO 3.5 M.
.06 HOUR FORECAST LOW 53N172E 968 MB. WITHIN 120 NM NE AND 360 NM
SE QUADRANTS WINDS 45 TO 60 KT. SEAS 4.5 TO 8 M.
.18 HOUR FORECAST LOW 58N173E 947 MB. WITHIN 120 NM NE AND 240 NM
SE QUADRANTS WINDS 50 TO 70 KT. SEAS 8 TO 13 M.
.24 HOUR FORECAST LOW 59N174E 951 MB. WITHIN 180 NM NE AND 240 NM
SE QUADRANTS WINDS 45 TO 60 KT. SEAS 8 TO 13 M. ELSEWHERE WITHIN
600 NM E SEMICIRCLE WINDS 30 TO 45 KT. SEAS 6 TO 9 M. ALSO WITHIN
660 NM NE AND 840 NM SE QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO
5.5 M.
.48 HOUR FORECAST LOW W OF AREA NEAR 67N176E 976 MB. WITHIN 360
NM SE QUADRANT...AND FROM 54N TO 63N BETWEEN 161W AND 167W WINDS
25 TO 40 KT. SEAS 2.5 TO 5 M. ELSEWHERE WITHIN 1140 NM SE
QUADRANT WINDS TO 25 KT. SEAS TO 3.5 M.