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BULLETIN
HURRICANE FLOYD ADVISORY NUMBER  24
NATIONAL WEATHER SERVICE MIAMI FL
11 AM AST MON SEP 13 1999
 
A HURRICANE WARNING CONTINUES IN EFFECT FOR THE THE NORTHWEST
BAHAMAS...INCLUDING THE ABACO ISLANDS...ANDROS ISLAND...BERRY
ISLANDS...BIMINI...ELEUTHERA...GRAND BAHAMA AND NEW PROVIDENCE
ISLAND...AND 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.
 
A HURRICANE WATCH CONTINUES IN EFFECT FOR THE FLORIDA EAST COAST
FROM HALLANDALE TO NEW SMYRNA BEACH...AND AT 11 AM EDT IS EXTENDED
SOUTHWARD TO INCLUDE DADE COUNTY...TO FLORIDA CITY FLORIDA.  THE
HURRICANE WATCH IS ALSO EXTENDED NORTHWARD FROM NEW SMYRNA BEACH TO
JUST SOUTH OF BRUNSWICK GEORGIA.
 
INTERESTS IN THE FLORIDA KEYS SHOULD CLOSELY MONITOR THE PROGRESS OF
THIS DANGEROUS HURRICANE.
 
AT 11 AM AST...1500Z...THE CENTER OF HURRICANE FLOYD WAS LOCATED
NEAR LATITUDE 24.1 NORTH...LONGITUDE  72.1 WEST OR ABOUT 150 MILES
...245 KM...EAST OF SAN SALVADOR IN THE CENTRAL BAHAMAS.  THIS
POSITION IS ALSO ABOUT 525 MILES...845 KM...EAST-SOUTHEAST OF MIAMI
FLORIDA.
 
FLOYD IS MOVING TOWARD THE WEST NEAR 14 MPH...22 KM/HR.  A GRADUAL
TURN TOWARD THE WEST-NORTHWEST IS EXPECTED TONIGHT FOLLOWED BY A
TURN TOWARD THE NORTHWEST ON TUESDAY. 
 
MAXIMUM SUSTAINED WINDS ARE NEAR 155 MPH...250 KM/HR...WITH HIGHER
GUSTS.  LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT
24 HOURS.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 105 MILES...165 KM...
FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP
TO 290 MILES...465 KM.
 
THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY THE AIR FORCE
HURRICANE HUNTER AIRCRAFT IS 921 MB...27.20 INCHES.
 
STORM SURGE FLOODING OF 15 TO 20 FEET ABOVE NORMAL TIDE LEVELS...
ACCOMPANIED BY LARGE AND DANGEROUS BATTERING WAVES ARE POSSIBLE
IN THE HURRICANE WARNING AREA.
 
RAINBANDS FROM FLOYD ARE PRODUCING LOCALLY HEAVY RAINS OVER THE
SOUTHEASTERN BAHAMAS AND PORTIONS OF PUERTO RICO AND THE VIRGIN
ISLANDS.
  
REPEATING THE 11 AM AST POSITION...24.1 N... 72.1 W.  MOVEMENT
TOWARD...WEST NEAR 14 MPH.  MAXIMUM SUSTAINED WINDS...155 MPH. 
MINIMUM CENTRAL PRESSURE... 921 MB.
 
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 2 PM AST FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 5 PM
AST.
 
LAWRENCE
 
STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE
FOUND UNDER AFOS HEADER MIASPFAT3 AND WMO HEADER WTNT73 KNHC.
 
 
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