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HURRICANE ISAAC ADVISORY NUMBER  30
NATIONAL WEATHER SERVICE MIAMI FL
5 PM AST THU SEP 28 2000

...ISAAC STRENGTHENS FURTHER...NOW CATEGORY FOUR...NO THREAT TO
LAND...
 
AT 5 PM AST...2100Z...THE CENTER OF HURRICANE ISAAC
WAS LOCATED NEAR LATITUDE 27.4 NORTH...LONGITUDE  54.7 WEST
OR ABOUT 690 MILES...1110 KM...EAST-SOUTHEAST OF BERMUDA.
 
ISAAC IS MOVING TOWARD THE NORTHWEST NEAR 20 MPH...32 KM/HR...AND A
GRADUAL TURN TO THE NORTH IS EXPECTED DURING THE NEXT 24 HOURS.

SATELLITE IMAGES INDICATE THAT THE MAXIMUM SUSTAINED WINDS HAVE
INCREASED TO NEAR 140 MPH...220 KM/HR...WITH HIGHER GUSTS.  ISAAC IS
A DANGEROUS CATEGORY FOUR HURRICANE ON THE SAFFIR/SIMPSON HURRICANE
SCALE.  LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT 24
HOURS.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO  60 MILES... 95 KM...
FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP
TO 230 MILES...370 KM.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS  943 MB...27.85 INCHES.
 
REPEATING THE 5 PM AST POSITION...27.4 N... 54.7 W.  MOVEMENT
TOWARD...NORTHWEST NEAR 20 MPH.  MAXIMUM SUSTAINED WINDS...140 MPH. 
MINIMUM CENTRAL PRESSURE... 943 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
11 PM AST.
 
FORECASTER PASCH
 
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