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HURRICANE OPHELIA FORECAST/ADVISORY NUMBER  12
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL172017
0300 UTC THU OCT 12 2017

THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.

INTERESTS IN THE EASTERN AZORES SHOULD MONITOR THE PROGRESS OF
OPHELIA.

HURRICANE CENTER LOCATED NEAR 30.0N  35.7W AT 12/0300Z
POSITION ACCURATE WITHIN  15 NM

PRESENT MOVEMENT TOWARD THE NORTHEAST OR  40 DEGREES AT   3 KT

ESTIMATED MINIMUM CENTRAL PRESSURE  986 MB
EYE DIAMETER  15 NM
MAX SUSTAINED WINDS  75 KT WITH GUSTS TO  90 KT.
64 KT....... 15NE  20SE  20SW  15NW.
50 KT....... 25NE  30SE  25SW  20NW.
34 KT....... 50NE  60SE  50SW  50NW.
12 FT SEAS.. 90NE  90SE  90SW  90NW.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT.  RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.

REPEAT...CENTER LOCATED NEAR 30.0N  35.7W AT 12/0300Z
AT 12/0000Z CENTER WAS LOCATED NEAR 29.9N  35.8W

FORECAST VALID 12/1200Z 30.4N  35.3W
MAX WIND  80 KT...GUSTS 100 KT.
64 KT... 20NE  25SE  20SW  20NW.
50 KT... 30NE  40SE  30SW  30NW.
34 KT... 60NE  60SE  60SW  60NW.

FORECAST VALID 13/0000Z 30.9N  34.6W
MAX WIND  80 KT...GUSTS 100 KT.
64 KT... 20NE  30SE  25SW  20NW.
50 KT... 40NE  50SE  40SW  30NW.
34 KT... 60NE  80SE  70SW  60NW.

FORECAST VALID 13/1200Z 31.7N  32.9W
MAX WIND  75 KT...GUSTS  90 KT.
64 KT... 20NE  25SE  15SW   0NW.
50 KT... 40NE  50SE  40SW  30NW.
34 KT... 70NE 110SE  80SW  60NW.

FORECAST VALID 14/0000Z 32.8N  30.2W
MAX WIND  75 KT...GUSTS  90 KT.
50 KT... 40NE  50SE  40SW  30NW.
34 KT... 80NE 120SE  90SW  60NW.

FORECAST VALID 15/0000Z 37.0N  22.0W
MAX WIND  75 KT...GUSTS  90 KT.
50 KT... 40NE  50SE  40SW  30NW.
34 KT...120NE 160SE 180SW 200NW.

EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM
ON DAY 4 AND 200 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY

OUTLOOK VALID 16/0000Z 46.0N  14.0W...POST-TROP/EXTRATROP
MAX WIND  70 KT...GUSTS  85 KT.

OUTLOOK VALID 17/0000Z 56.5N   8.5W...POST-TROP/EXTRATROP
MAX WIND  55 KT...GUSTS  65 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 30.0N  35.7W

NEXT ADVISORY AT 12/0900Z

$$
FORECASTER BLAKE


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