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HURRICANE ISAAC ADVISORY NUMBER  39
NATIONAL WEATHER SERVICE MIAMI FL
11 PM AST SAT SEP 30 2000

...ISAAC WEAKENING AND BARELY A HURRICANE...
 
AT 11 PM AST...0300Z...THE CENTER OF HURRICANE ISAAC
WAS LOCATED NEAR LATITUDE 40.4 NORTH...LONGITUDE  46.4 WEST
OR ABOUT 950 MILES...1530 KM...WEST OF THE WESTERNMOST AZORES
ISLANDS.
 
ISAAC IS MOVING TOWARD THE NORTHEAST NEAR 31 MPH...50 KM/HR...
AND THIS MOTION IS EXPECTED TO CONTINUE FOR THE NEXT 24 HOURS 
WITH A GRADUAL INCREASE IN FORWARD SPEED.
 
MAXIMUM SUSTAINED WINDS ARE NEAR  75 MPH...120 KM/HR...WITH HIGHER
GUSTS....ISAAC IS EXPECTED TO WEAKEN DURING THE NEXT 24 HOURS AND
GRADUALLY LOSE ITS TROPICAL CHARACTERISTICS OVER THE COLD WATERS OF 
THE NORTH ATLANTIC.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO  60 MILES... 95 KM...
FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD 
UP TO 290 MILES...465 KM.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS  990 MB...29.23 INCHES. 
 
REPEATING THE 11 PM AST POSITION...40.4 N... 46.4 W.  MOVEMENT
TOWARD...NORTHEAST NEAR 31 MPH.  MAXIMUM SUSTAINED WINDS... 75 MPH. 
MINIMUM CENTRAL PRESSURE... 990 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER 
AT 5 AM AST...SUNDAY.
 
FORECASTER STEWART
  
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