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HURRICANE FLOYD ADVISORY NUMBER  15
NATIONAL WEATHER SERVICE MIAMI FL
5 AM AST SAT SEP 11 1999
 
...FLOYD GAINING STRENGTH OVER THE TROPICAL ATLANTIC... 
 
INTERESTS IN THE BAHAMAS AND THE SOUTHEAST U.S. SHOULD MONITOR 
THE PROGRESS OF THIS HURRICANE OVER THE WEEKEND.
 
AT 5 AM AST...0900Z...THE CENTER OF HURRICANE FLOYD WAS LOCATED 
NEAR LATITUDE 21.7 NORTH...LONGITUDE  61.6 WEST OR ABOUT 365 MILES
...590 KM...NORTHEAST OF SAN JUAN PUERTO RICO.
 
FLOYD IS MOVING TOWARD THE NORTHWEST NEAR 10 MPH...17 KM/HR. A
GRADUAL TURN TO THE WEST-NORTHWEST IS EXPECTED LATER TODAY.
ALTHOUGH THE CENTER OF FLOYD IS PASSING WELL TO THE NORTH OF THE
LEEWARD ISLANDS...RAINBANDS ON THE SOUTHEAST SIDE OF FLOYD MAY 
STILL BRING SOME SQUALLY WEATHER TO THESE ISLANDS TODAY.

MAXIMUM SUSTAINED WINDS ARE NEAR 105 MPH...165 KM/HR...WITH HIGHER
GUSTS MAINLY TO THE EAST OF THE CENTER.  SOME FLUCTUATIONS IN
INTENSITY ARE LIKELY DURING THE NEXT 24 HOURS. 

HURRICANE FORCE WINDS EXTEND OUTWARD UP TO  75 MILES...120 KM...
FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP
TO 175 MILES...280 KM.
 
THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY AN AIR FORCE RESERVE
HURRICANE HUNTER AIRCRAFT WAS  963 MB...28.44 INCHES.
 
REPEATING THE 5 AM AST POSITION...21.7 N... 61.6 W.  MOVEMENT
TOWARD...NORTHWEST NEAR 10 MPH.  MAXIMUM SUSTAINED WINDS...105 MPH. 
MINIMUM CENTRAL PRESSURE... 963 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER 
AT 11 AM AST.
 
GUINEY
 
STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE
FOUND UNDER AFOS HEADER MIASPFAT3 AND WMO HEADER WTNT73 KNHC.

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