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TROPICAL STORM FLOYD ADVISORY NUMBER   7
NATIONAL WEATHER SERVICE MIAMI FL
5 AM AST THU SEP 09 1999

...FLOYD CONTINUES TOWARD THE WEST-NORTHWEST...
 
AT 5 AM AST...0900Z...THE CENTER OF TROPICAL STORM FLOYD
WAS LOCATED NEAR LATITUDE 17.3 NORTH...LONGITUDE  54.6 WEST
OR ABOUT 450 MILES...725 KM...EAST OF THE LEEWARD ISLANDS.
 
FLOYD IS MOVING TOWARD THE WEST-NORTHWEST NEAR 15 MPH...24 KM/HR...
AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE NEXT 24
HOURS.  FLOYD IS EXPECTED TO PASS TO THE NORTH OF THE LEEWARD
ISLANDS.  HOWEVER...ANY DEVIATION TO THE LEFT OF THE TRACK COULD
RESULT IN A POTENTIAL THREAT TO THE NORTHERNMOST LEEWARD ISLANDS. 
THEREFORE...INTERESTS IN THE EXTREME NORTHEASTERN CARIBBEAN SHOULD
MONITOR THE PROGRESS OF FLOYD.
 
MAXIMUM SUSTAINED WINDS ARE NEAR  60 MPH... 95 KM/HR...WITH HIGHER
GUSTS.  CONDITIONS FAVOR STRENGTHENING AND FLOYD WILL LIKELY BECOME
A HURRICANE IN A DAY OR SO.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 115 MILES
...185 KM FROM THE CENTER.

AN AIR FORCE HURRICANE HUNTER PLANE REPORTED A MINIMUM CENTRAL
PRESSURE OF 1003 MB...29.62 INCHES.
 
REPEATING THE 5 AM AST POSITION...17.3 N... 54.6 W.  MOVEMENT
TOWARD...WEST-NORTHWEST NEAR 15 MPH.  MAXIMUM SUSTAINED WINDS... 60
MPH.  MINIMUM CENTRAL PRESSURE...1003 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
11 AM AST.
 
PASCH
 
STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE
FOUND UNDER AFOS HEADER MIASPFAT3 AND WMO HEADER WTNT73 KNHC.
 
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