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HURRICANE FLOYD FORECAST/ADVISORY NUMBER  23
NATIONAL WEATHER SERVICE MIAMI FL   AL0899
0900Z MON SEP 13 1999
 
AT 5 AM EDT...0900Z...THE GOVERNEMENT OF THE BAHAMAS HAS ISSUED
A HURRICANE WARNING FOR THE THE NORTHWEST BAHAMAS...INCLUDING
THE ABACO ISLANDS...ANDROS ISLAND...BERRY ISLANDS...BIMINI...
ELEUTHERA...GRAND BAHAMA AND NEW PROVIDENCE ISLAND. A HURRICANE
WARNING REMAINS IN EFFECT FOR THE CENTRAL BAHAMAS ...INCLUDING
CAT ISLAND...EXUMAS ISLANDS...LONG ISLAND...RUM CAY...AND SAN
SALVADOR ISLAND.
 
A TROPICAL STORM WARNING IS IN EFFECT FOR THE TURKS AND CAICOS
ISLANDS AND THE SOUTHEASTERN BAHAMAS.
 
AT 5 AM EDT...0900Z...A HURRICANE WATCH IS ISSUED FOR THE FLORIDA
EAST COAST FROM SOUTH OF FLAGLER BEACH TO HALLANDALE.
 
INTERESTS ELSEWHERE ALONG THE FLORIDA EAST COAST AND THE SOUTHEAST
U.S. COAST SHOULD CLOSELY MONITOR THE PROGRESS OF THIS DANGEROUS
HURRICANE.
 
HURRICANE CENTER LOCATED NEAR 23.7N  70.6W AT 13/0900Z
POSITION ACCURATE WITHIN  10 NM
 
PRESENT MOVEMENT TOWARD THE WEST OR 280 DEGREES AT 12 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  922 MB
EYE DIAMETER  20 NM
MAX SUSTAINED WINDS 135 KT WITH GUSTS TO 165 KT
64 KT....... 90NE  50SE  50SW  70NW
50 KT.......125NE 100SE 100SW 145NW
34 KT.......250NE 180SE 150SW 225NW
12 FT SEAS..300NE 200SE 175SW 300NW
ALL QUADRANT RADII IN NAUTICAL MILES
 
REPEAT...CENTER LOCATED NEAR 23.7N  70.6W AT 13/0900Z
AT 13/0600Z CENTER WAS LOCATED NEAR 23.6N  70.0W
 
FORECAST VALID 13/1800Z 24.1N  72.6W
MAX WIND 135 KT...GUSTS 165 KT
64 KT... 90NE  50SE  50SW  70NW
50 KT...125NE 100SE 100SW 145NW
34 KT...250NE 180SE 150SW 225NW
 
FORECAST VALID 14/0600Z 24.8N  75.0W
MAX WIND 135 KT...GUSTS 165 KT
64 KT... 90NE  50SE  50SW  70NW
50 KT...125NE 100SE 100SW 145NW
34 KT...250NE 180SE 150SW 225NW
 
FORECAST VALID 14/1800Z 25.8N  77.2W
MAX WIND 135 KT...GUSTS 165 KT
64 KT... 90NE  50SE  50SW  70NW
50 KT...125NE 100SE 100SW 145NW
34 KT...250NE 180SE 150SW 225NW
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 23.7N  70.6W
 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE
 
OUTLOOK VALID 15/0600Z 27.5N  79.0W
MAX WIND 130 KT...GUSTS 160 KT
50 KT...125NE 100SE 100SW 145NW
 
OUTLOOK VALID 16/0600Z 31.0N  81.0W
MAX WIND 125 KT...GUSTS 145 KT
50 KT...125NE 100SE 100SW 145NW
 
NEXT ADVISORY AT 13/1500Z
 
GUINEY
 
STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE
FOUND UNDER AFOS HEADER MIASPFAT3 AND WMO HEADER WTNT73 KNHC.
 
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