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Hurricane ISABEL

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BULLETIN
HURRICANE ISABEL ADVISORY NUMBER  24
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
11 PM AST THU SEP 11 2003
 
...POWERFUL ISABEL CONTINUES WESTWARD...

AT 11 PM AST...0300Z...THE CENTER OF HURRICANE ISABEL WAS LOCATED
NEAR LATITUDE 21.6 NORTH... LONGITUDE 56.1 WEST OR ABOUT 455
MILES...735 KM...NORTHEAST OF THE NORTHERN LEEWARD ISLANDS.
 
ISABEL IS MOVING TOWARD THE WEST NEAR 9 MPH ...15 KM/HR... AND A
TRACK JUST NORTH OF DUE WEST IS EXPECTED OVER THE NEXT 24 HOURS.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 160 MPH...260 KM/HR...WITH HIGHER
GUSTS.  THE CORE OF ISABEL IS BEGINNING TO UNDERGO SOME
REORGANIZATION...AND SOME TEMPORARY WEAKENING IS POSSIBLE
OVERNIGHT.  FLUCTUATIONS IN INTENSITY ARE COMMON IN MAJOR
HURRICANES.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO  60 MILES... 95 KM...
FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP
TO 185 MILES...295 KM.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS  924 MB...27.29 INCHES.
 
LARGE OCEAN SWELLS AND DANGEROUS SURF CONDITIONS ARE LIKELY OVER
PORTIONS OF THE LEEWARD ISLANDS...THE VIRGIN ISLANDS...AND PUERTO
RICO OVER THE NEXT SEVERAL DAYS.

REPEATING THE 11 PM AST POSITION...21.6 N... 56.1 W.  MOVEMENT
TOWARD...WEST NEAR  9 MPH.  MAXIMUM SUSTAINED
WINDS...160 MPH.  MINIMUM CENTRAL PRESSURE... 924 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL
HURRICANE CENTER AT 5 AM AST.
 
FORECASTER FRANKLIN
 
 
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