Hurricane Omar

Forecast Advisory 18

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250
WTNT25 KNHC 172031
TCMAT5
HURRICANE OMAR FORECAST/ADVISORY NUMBER 18
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL152008
2100 UTC FRI OCT 17 2008

HURRICANE CENTER LOCATED NEAR 31.2N 53.6W AT 17/2100Z
POSITION ACCURATE WITHIN 20 NM

PRESENT MOVEMENT TOWARD THE NORTH-NORTHEAST OR 30 DEGREES AT 25 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 987 MB
MAX SUSTAINED WINDS 65 KT WITH GUSTS TO 80 KT.
64 KT....... 15NE 0SE 0SW 0NW.
50 KT....... 60NE 45SE 0SW 45NW.
34 KT.......100NE 75SE 60SW 75NW.
12 FT SEAS..180NE 150SE 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 31.2N 53.6W AT 17/2100Z
AT 17/1800Z CENTER WAS LOCATED NEAR 30.2N 54.4W

FORECAST VALID 18/0600Z 32.9N 52.2W
MAX WIND 60 KT...GUSTS 75 KT.
50 KT... 60NE 45SE 0SW 45NW.
34 KT...100NE 75SE 60SW 75NW.

FORECAST VALID 18/1800Z 34.9N 49.9W
MAX WIND 55 KT...GUSTS 65 KT.
50 KT... 60NE 45SE 0SW 45NW.
34 KT...100NE 75SE 60SW 75NW.

FORECAST VALID 19/0600Z 36.5N 47.3W
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 45NE 0SE 0SW 0NW.
34 KT... 90NE 60SE 45SW 60NW.

FORECAST VALID 19/1800Z 38.0N 44.5W...BECOMING EXTRATROPICAL
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 60NE 45SE 0SW 45NW.

FORECAST VALID 20/1800Z 39.5N 39.0W...EXTRATROPICAL
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 45NE 45SE 0SW 0NW.

EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 225 NM
ON DAY 4 AND 300 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY

OUTLOOK VALID 21/1800Z 39.5N 34.0W...EXTRATROPICAL
MAX WIND 35 KT...GUSTS 45 KT.

OUTLOOK VALID 22/1800Z...ABSORBED BY LARGER EXTRATROPICAL LOW

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 31.2N 53.6W

NEXT ADVISORY AT 18/0300Z

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FORECASTER STEWART