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Hurricane BILL


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HURRICANE BILL FORECAST/ADVISORY NUMBER  12
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL032009
0900 UTC TUE AUG 18 2009
 
INTERESTS IN THE LEEWARD ISLANDS SHOULD MONITOR THE PROGRESS OF
BILL.
 
HURRICANE CENTER LOCATED NEAR 15.5N  49.7W AT 18/0900Z
POSITION ACCURATE WITHIN  30 NM
 
PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 285 DEGREES AT  15 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  967 MB
MAX SUSTAINED WINDS  85 KT WITH GUSTS TO 105 KT.
64 KT....... 25NE  25SE  25SW  25NW.
50 KT....... 65NE  50SE  30SW  60NW.
34 KT.......130NE  90SE  75SW 130NW.
12 FT SEAS..300NE 225SE 120SW 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 15.5N  49.7W AT 18/0900Z
AT 18/0600Z CENTER WAS LOCATED NEAR 15.3N  49.0W
 
FORECAST VALID 18/1800Z 16.2N  51.7W
MAX WIND  90 KT...GUSTS 110 KT.
64 KT... 30NE  30SE  30SW  30NW.
50 KT... 75NE  55SE  45SW  65NW.
34 KT...145NE 105SE  75SW 130NW.
 
FORECAST VALID 19/0600Z 17.4N  54.2W
MAX WIND 100 KT...GUSTS 120 KT.
64 KT... 40NE  35SE  35SW  35NW.
50 KT... 75NE  60SE  45SW  65NW.
34 KT...160NE 120SE  75SW 150NW.
 
FORECAST VALID 19/1800Z 18.9N  56.7W
MAX WIND 105 KT...GUSTS 130 KT.
64 KT... 40NE  35SE  35SW  40NW.
50 KT... 75NE  60SE  50SW  70NW.
34 KT...160NE 120SE  80SW 145NW.
 
FORECAST VALID 20/0600Z 20.5N  59.0W
MAX WIND 110 KT...GUSTS 135 KT.
50 KT... 90NE  75SE  65SW  75NW.
34 KT...180NE 150SE 105SW 150NW.
 
FORECAST VALID 21/0600Z 24.0N  63.5W
MAX WIND 110 KT...GUSTS 135 KT.
50 KT... 90NE  75SE  65SW  75NW.
34 KT...180NE 150SE 105SW 150NW.
 
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 22/0600Z 29.5N  67.5W
MAX WIND 105 KT...GUSTS 130 KT.
 
OUTLOOK VALID 23/0600Z 35.5N  68.0W
MAX WIND 100 KT...GUSTS 120 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 15.5N  49.7W
 
NEXT ADVISORY AT 18/1500Z
 
$$
FORECASTER BEVEN
 
 
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