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TROPICAL STORM ISAAC ADVISORY NUMBER  40
NATIONAL WEATHER SERVICE MIAMI FL
5 AM AST SUN OCT 01 2000

...ISAAC WEAKENS INTO A TROPICAL STORM OVER THE FAR 
NORTH ATLANTIC...
 
AT 5 AM AST...0900Z...THE CENTER OF TROPICAL STORM ISAAC
WAS LOCATED NEAR LATITUDE 41.6 NORTH...LONGITUDE  43.8 WEST
OR ABOUT 835 MILES...1345 KM...WEST OF THE WESTERNMOST AZORES
ISLANDS.
 
ISAAC IS MOVING TOWARD THE EAST-NORTHEAST NEAR 30 MPH...48 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  70 MPH...110 KM/HR...WITH HIGHER
GUSTS.  SOME WEAKENING IS FORECAST DURING THE NEXT 24 HOURS AND
ISAAC WILL RAPIDLY LOSE ITS TROPICAL CHARACTERISTICS OVER THE COLD
WATERS OF THE NORTH ATLANTIC.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 260 MILES
...415 KM FROM THE CENTER.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS  991 MB...29.26 INCHES.
  
REPEATING THE 5 AM AST POSITION...41.6 N... 43.8 W.  MOVEMENT
TOWARD...EAST-NORTHEAST NEAR 30 MPH.  MAXIMUM SUSTAINED
WINDS... 70 MPH.  MINIMUM CENTRAL PRESSURE... 991 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER
AT 11 AM AST.
 
FORECASTER STEWART
 
 
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