Hurricane Bill
Forecast Advisory 13
316
WTNT23 KNHC 181449
TCMAT3
HURRICANE BILL FORECAST/ADVISORY NUMBER 13
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL032009
1500 UTC TUE AUG 18 2009
INTERESTS IN THE LEEWARD ISLANDS SHOULD MONITOR THE PROGRESS OF
BILL.
HURRICANE CENTER LOCATED NEAR 15.9N 51.2W AT 18/1500Z
POSITION ACCURATE WITHIN 15 NM
PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 285 DEGREES AT 14 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 963 MB
EYE DIAMETER 35 NM
MAX SUSTAINED WINDS 90 KT WITH GUSTS TO 110 KT.
64 KT....... 35NE 30SE 25SW 30NW.
50 KT....... 65NE 60SE 45SW 60NW.
34 KT.......150NE 150SE 100SW 150NW.
12 FT SEAS..300NE 225SE 150SW 250NW.
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 15.9N 51.2W AT 18/1500Z
AT 18/1200Z CENTER WAS LOCATED NEAR 15.6N 50.3W
FORECAST VALID 19/0000Z 16.8N 53.0W
MAX WIND 95 KT...GUSTS 115 KT.
64 KT... 40NE 35SE 30SW 35NW.
50 KT... 70NE 60SE 45SW 60NW.
34 KT...160NE 160SE 100SW 160NW.
FORECAST VALID 19/1200Z 18.0N 55.3W
MAX WIND 105 KT...GUSTS 130 KT.
64 KT... 40NE 35SE 30SW 35NW.
50 KT... 75NE 60SE 45SW 60NW.
34 KT...160NE 160SE 100SW 160NW.
FORECAST VALID 20/0000Z 19.6N 57.7W
MAX WIND 110 KT...GUSTS 135 KT.
64 KT... 40NE 35SE 35SW 40NW.
50 KT... 75NE 60SE 50SW 70NW.
34 KT...175NE 160SE 100SW 160NW.
FORECAST VALID 20/1200Z 21.5N 60.3W
MAX WIND 110 KT...GUSTS 135 KT.
50 KT... 90NE 75SE 65SW 75NW.
34 KT...180NE 160SE 105SW 160NW.
FORECAST VALID 21/1200Z 25.9N 64.7W
MAX WIND 110 KT...GUSTS 135 KT.
50 KT... 90NE 75SE 65SW 75NW.
34 KT...180NE 160SE 105SW 160NW.
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 22/1200Z 31.5N 67.5W
MAX WIND 105 KT...GUSTS 130 KT.
OUTLOOK VALID 23/1200Z 38.0N 66.5W
MAX WIND 95 KT...GUSTS 115 KT.
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 15.9N 51.2W
NEXT ADVISORY AT 18/2100Z
$$
FORECASTER BROWN/CANGIALOSI
