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HURRICANE ISAAC ADVISORY NUMBER  23
NATIONAL WEATHER SERVICE MIAMI FL
11 PM AST TUE SEP 26 2000

...ISAAC BECOMING BETTER ORGANIZED...BUT NO THREAT TO LAND...
 
AT 11 PM AST...0300Z...THE CENTER OF HURRICANE ISAAC WAS 
LOCATED NEAR LATITUDE 20.1 NORTH...LONGITUDE  46.2 WEST OR 
ABOUT 1020 MILES...1640 KM...EAST-NORTHEAST OF THE NORTHERN 
LEEWARD ISLANDS.
 
ISAAC IS MOVING TOWARD THE WEST-NORTHWEST NEAR 13 MPH 
...20 KM/HR...AND THIS MOTION IS EXPECTED TO CONTINUE FOR 
THE NEXT 24 HOURS.
 
MAXIMUM SUSTAINED WINDS ARE NEAR  90 MPH...150 KM/HR...WITH HIGHER
GUSTS.  LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT
24 HOURS.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO  30 MILES... 45 KM...
FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP
TO 140 MILES...220 KM.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS  975 MB...28.79 INCHES. 
 
REPEATING THE 11 PM AST POSITION...20.1 N... 46.2 W.  MOVEMENT
TOWARD...WEST-NORTHWEST NEAR 13 MPH.  MAXIMUM SUSTAINED
WINDS... 90 MPH.  MINIMUM CENTRAL PRESSURE... 975 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER 
AT 5 AM AST...WEDNESDAY.
 
FORECASTER STEWART
 
 
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