Hurricane BILL

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HURRICANE BILL FORECAST/ADVISORY NUMBER  20
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL032009
0900 UTC THU AUG 20 2009
 
INTERESTS IN BERMUDA SHOULD MONITOR THE PROGRESS OF BILL.  A
HURRICANE OR TROPICAL STORM WILL LIKELY BE REQUIRED FOR BERMUDA
LATER THIS MORNING.
 
HURRICANE CENTER LOCATED NEAR 21.6N  60.3W AT 20/0900Z
POSITION ACCURATE WITHIN  10 NM
 
PRESENT MOVEMENT TOWARD THE NORTHWEST OR 305 DEGREES AT  16 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  949 MB
EYE DIAMETER  25 NM
MAX SUSTAINED WINDS 110 KT WITH GUSTS TO 135 KT.
64 KT....... 75NE  45SE  30SW  45NW.
50 KT.......105NE  90SE  60SW  90NW.
34 KT.......200NE 175SE 100SW 175NW.
12 FT SEAS..400NE 330SE 240SW 300NW.
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 21.6N  60.3W AT 20/0900Z
AT 20/0600Z CENTER WAS LOCATED NEAR 21.1N  59.6W
 
FORECAST VALID 20/1800Z 23.0N  62.3W
MAX WIND 115 KT...GUSTS 140 KT.
64 KT... 75NE  45SE  30SW  45NW.
50 KT...105NE  90SE  60SW  90NW.
34 KT...200NE 175SE 100SW 175NW.
 
FORECAST VALID 21/0600Z 25.2N  64.7W
MAX WIND 120 KT...GUSTS 145 KT.
64 KT... 75NE  45SE  30SW  45NW.
50 KT...120NE 100SE  70SW 100NW.
34 KT...225NE 200SE 120SW 180NW.
 
FORECAST VALID 21/1800Z 27.8N  66.5W
MAX WIND 120 KT...GUSTS 145 KT.
64 KT... 75NE  45SE  30SW  45NW.
50 KT...120NE 100SE  70SW 100NW.
34 KT...225NE 200SE 120SW 180NW.
 
FORECAST VALID 22/0600Z 30.8N  68.1W
MAX WIND 120 KT...GUSTS 145 KT.
50 KT...120NE 100SE  70SW 100NW.
34 KT...225NE 200SE 120SW 180NW.
 
FORECAST VALID 23/0600Z 38.5N  68.0W
MAX WIND 105 KT...GUSTS 130 KT.
50 KT...120NE 120SE  70SW 100NW.
34 KT...225NE 225SE 120SW 180NW.
 
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 24/0600Z 46.6N  59.0W
MAX WIND  70 KT...GUSTS  85 KT.
 
OUTLOOK VALID 25/0600Z 53.5N  36.0W...EXTRATROPICAL
MAX WIND  55 KT...GUSTS  65 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 21.6N  60.3W
 
NEXT ADVISORY AT 20/1500Z
 
$$
FORECASTER BEVEN
 
 
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