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HURRICANE ISAAC ADVISORY NUMBER  18
NATIONAL WEATHER SERVICE MIAMI FL
5 PM AST MON SEP 25 2000

...POWERFUL HURRICANE ISAAC CHURNING FAR OUT IN THE ATLANTIC...
 
AT 5 PM AST...2100Z...THE CENTER OF HURRICANE ISAAC
WAS LOCATED NEAR LATITUDE 17.8 NORTH...LONGITUDE  41.5 WEST
OR ABOUT 1300 MILES...2090 KM...EAST OF THE LEEWARD ISLANDS.
 
ISAAC IS MOVING TOWARD THE WEST-NORTHWEST NEAR 10 MPH
...17 KM/HR...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE FOR
THE NEXT 24 HOURS.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 105 MPH...165 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  970 MB...28.64 INCHES.
 
REPEATING THE 5 PM AST POSITION...17.8 N... 41.5 W.  MOVEMENT
TOWARD...WEST NORTHWEST NEAR 10 MPH.  MAXIMUM SUSTAINED
WINDS...105 MPH.  MINIMUM CENTRAL PRESSURE... 970 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
11 PM AST.
 
FORECASTER PASCH
 
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