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HURRICANE JOYCE ADVISORY NUMBER  12
NATIONAL WEATHER SERVICE MIAMI FL
11 AM AST THU SEP 28 2000

...JOYCE MOVING WEST-SOUTHWEST...A LITTLE WEAKER... 
 
AT 11 AM AST...1500Z...THE CENTER OF HURRICANE JOYCE WAS LOCATED
NEAR LATITUDE 11.5 NORTH...LONGITUDE  44.7 WEST OR ABOUT 1000 MILES
...1610 KM...EAST OF THE WINDWARD ISLANDS.
 
JOYCE IS MOVING TOWARD THE WEST-SOUTHWEST NEAR 14 MPH...22 KM/HR.
THIS GENERAL MOTION IS EXPECTED TODAY WITH A GRADUAL TURN TO THE
WEST THERAFTER.
 
MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 85 MPH...140 KM/HR...
WITH HIGHER GUSTS.  SOME FLUCTUATIONS IN INTENSITY ARE LIKELY 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 105 MILES...165 KM.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS  979 MB...28.91 INCHES.
 
REPEATING THE 11 AM AST POSITION...11.5 N... 44.7 W.  MOVEMENT
TOWARD...WEST SOUTHWEST NEAR 14 MPH.  MAXIMUM SUSTAINED WINDS... 85
MPH.  MINIMUM CENTRAL PRESSURE... 979 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
5 PM AST.
 
FORECASTER AVILA
 
 
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