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TROPICAL STORM FLOYD FORECAST/ADVISORY NUMBER  10
NATIONAL WEATHER SERVICE MIAMI FL   AL0899
0300Z FRI SEP 10 1999
 
...A TROPICAL STORM WATCH IS IN EFFECT FOR THE FOLLOWING CARIBBEAN
ISLANDS...ANTIGUA...BARBUDA...ANGUILLA...AND DUTCH SAINT MAARTEN...
FRENCH SAINT MARTIN AND SAINT BARTHELEMY.
 
ALL INTERESTS IN THE NORTHEASTERN CARIBBEAN SHOULD MONITOR THE
PROGRESS OF FLOYD.
 
TROPICAL STORM CENTER LOCATED NEAR 18.3N  57.7W AT 10/0300Z
POSITION ACCURATE WITHIN  30 NM
 
PRESENT MOVEMENT TOWARD THE WEST NORTHWEST OR 285 DEGREES AT  9 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  995 MB
MAX SUSTAINED WINDS  60 KT WITH GUSTS TO  75 KT
50 KT....... 90NE  60SE   0SW  30NW
34 KT.......150NE  90SE  90SW 125NW
12 FT SEAS..150NE 150SE 100SW 125NW
ALL QUADRANT RADII IN NAUTICAL MILES
 
REPEAT...CENTER LOCATED NEAR 18.3N  57.7W AT 10/0300Z
AT 10/0000Z CENTER WAS LOCATED NEAR 18.2N  57.2W
 
FORECAST VALID 10/1200Z 18.7N  59.1W
MAX WIND  60 KT...GUSTS  75 KT
50 KT... 90NE  60SE   0SW  30NW
34 KT...150NE  90SE  90SW 125NW
 
FORECAST VALID 11/0000Z 20.0N  61.0W
MAX WIND  70 KT...GUSTS  85 KT
64 KT... 60NE  30SE  30SW  30NW
50 KT...100NE  60SE  50SW  50NW
34 KT...150NE 100SE 100SW 125NW
 
FORECAST VALID 11/1200Z 21.2N  62.7W
MAX WIND  80 KT...GUSTS  95 KT
64 KT... 60NE  30SE  30SW  30NW
50 KT...100NE  60SE  50SW  50NW
34 KT...150NE 100SE 100SW 125NW
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 18.3N  57.7W
 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE
 
OUTLOOK VALID 12/0000Z 22.5N  64.5W
MAX WIND  90 KT...GUSTS 110 KT
50 KT...100NE 100SE 100SW 100NW
 
OUTLOOK VALID 13/0000Z 23.5N  68.5W
MAX WIND 100 KT...GUSTS 120 KT
50 KT...100NE 100SE 100SW 100NW
 
NEXT ADVISORY AT 10/0900Z
 
AVILA
 
STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE
FOUND UNDER AFOS HEADER MIASPFAT3 AND WMO HEADER WTNT73 KNHC.
 
 
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