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HURRICANE FLOYD FORECAST/ADVISORY NUMBER  15
NATIONAL WEATHER SERVICE MIAMI FL   AL0899
0900Z SAT SEP 11 1999
 
INTERESTS IN THE BAHAMAS AND THE SOUTHEAST U.S. SHOULD MONITOR 
THE PROGRESS OF THIS HURRICANE OVER THE WEEKEND.
 
HURRICANE CENTER LOCATED NEAR 21.7N  61.6W AT 11/0900Z
POSITION ACCURATE WITHIN  15 NM
 
PRESENT MOVEMENT TOWARD THE NORTHWEST OR 310 DEGREES AT  9 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  963 MB
MAX SUSTAINED WINDS  90 KT WITH GUSTS TO 110 KT
64 KT....... 65NE  45SE   0SW   0NW
50 KT....... 80NE  70SE  35SW  65NW
34 KT.......150NE 125SE  75SW 125NW
12 FT SEAS..200NE 150SE 100SW 200NW
ALL QUADRANT RADII IN NAUTICAL MILES
 
REPEAT...CENTER LOCATED NEAR 21.7N  61.6W AT 11/0900Z
AT 11/0600Z CENTER WAS LOCATED NEAR 21.4N  61.1W
 
FORECAST VALID 11/1800Z 22.4N  62.7W
MAX WIND  90 KT...GUSTS 110 KT
64 KT... 65NE  45SE   0SW   0NW
50 KT... 80NE  70SE  35SW  65NW
34 KT...150NE 125SE  75SW 125NW
 
FORECAST VALID 12/0600Z 23.3N  64.4W
MAX WIND  90 KT...GUSTS 110 KT
64 KT... 65NE  45SE   0SW   0NW
50 KT... 80NE  70SE  35SW  65NW
34 KT...150NE 125SE  75SW 125NW
 
FORECAST VALID 12/1800Z 24.0N  66.5W
MAX WIND  90 KT...GUSTS 110 KT
64 KT... 65NE  45SE  30SW  30NW
50 KT... 90NE  80SE  45SW  65NW
34 KT...150NE 125SE 100SW 125NW
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 21.7N  61.6W
 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE
 
OUTLOOK VALID 13/0600Z 24.5N  69.0W
MAX WIND  95 KT...GUSTS 115 KT
50 KT...100NE 100SE  50SW  75NW
 
OUTLOOK VALID 14/0600Z 25.0N  74.0W
MAX WIND 105 KT...GUSTS 130 KT
50 KT...100NE 100SE  50SW  75NW
 
NEXT ADVISORY AT 11/1500Z
 
GUINEY
 
STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE
FOUND UNDER AFOS HEADER MIASPFAT3 AND WMO HEADER WTNT73 KNHC.
 
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