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HURRICANE FLOYD FORECAST/ADVISORY NUMBER  12
NATIONAL WEATHER SERVICE MIAMI FL   AL0899
1500Z 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.
 
HURRICANE CENTER LOCATED NEAR 19.3N  59.2W AT 10/1500Z
POSITION ACCURATE WITHIN  30 NM
 
PRESENT MOVEMENT TOWARD THE WEST NORTHWEST OR 295 DEGREES AT  9 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  989 MB
MAX SUSTAINED WINDS  70 KT WITH GUSTS TO  85 KT
64 KT....... 60NE  60SE   0SW   0NW
50 KT.......100NE 100SE   0SW  75NW
34 KT.......150NE 150SE  75SW 125NW
12 FT SEAS..200NE 150SE 100SW 150NW
ALL QUADRANT RADII IN NAUTICAL MILES
 
REPEAT...CENTER LOCATED NEAR 19.3N  59.2W AT 10/1500Z
AT 10/1200Z CENTER WAS LOCATED NEAR 19.1N  58.8W
 
FORECAST VALID 11/0000Z 19.9N  60.5W
MAX WIND  80 KT...GUSTS  95 KT
64 KT... 60NE  60SE   0SW   0NW
50 KT...100NE 100SE   0SW  75NW
34 KT...150NE 150SE  75SW 125NW
 
FORECAST VALID 11/1200Z 20.8N  62.0W
MAX WIND  85 KT...GUSTS 105 KT
64 KT... 60NE  60SE  30SW  30NW
50 KT...100NE 100SE  50SW 100NW
34 KT...150NE 150SE 100SW 125NW
 
FORECAST VALID 12/0000Z 21.9N  63.9W
MAX WIND  90 KT...GUSTS 110 KT
64 KT... 60NE  60SE  30SW  30NW
50 KT...100NE 100SE  50SW 100NW
34 KT...150NE 150SE 100SW 125NW
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 19.3N  59.2W
 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE
 
OUTLOOK VALID 12/1200Z 23.0N  66.0W
MAX WIND  95 KT...GUSTS 115 KT
50 KT...100NE 100SE  75SW 100NW
 
OUTLOOK VALID 13/1200Z 24.0N  69.5W
MAX WIND 105 KT...GUSTS 130 KT
50 KT...100NE 100SE  75SW 100NW
 
NEXT ADVISORY AT 10/2100Z
 
FRANKLIN
 
STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE
FOUND UNDER AFOS HEADER MIASPFAT3 AND WMO HEADER WTNT73 KNHC.
 
 
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