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Hurricane ISABEL

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HURRICANE ISABEL ADVISORY NUMBER  22
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
11 AM AST THU SEP 11 2003

...EXTREMELY DANGEROUS HURRICANE ISABEL CONTINUES MOVING WESTWARD...
 
AT 11 AM AST...1500Z...THE CENTER OF HURRICANE ISABEL WAS LOCATED
NEAR LATITUDE 21.4 NORTH... LONGITUDE 54.5 WEST OR ABOUT 535
MILES...865 KM...EAST-NORTHEAST OF THE NORTHERN LEEWARD ISLANDS.

ISABEL IS MOVING TOWARD THE WEST NEAR  9 MPH...15 KM/HR...AND THIS
MOTION IS EXPECTED TO CONTINUE FOR THE NEXT 24 HOURS.
 
MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR NEAR 150 MPH...240
KM/HR...WITH HIGHER GUSTS.  FLUCTUATIONS IN STRENGTH ARE COMMON IN
MAJOR HURRICANES AND THESE COULD OCCUR 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 185 MILES...295 KM.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS  930 MB...27.46 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 AM AST POSITION...21.4 N... 54.5 W.  MOVEMENT
TOWARD...WEST NEAR  9 MPH.  MAXIMUM SUSTAINED
WINDS...150 MPH.  MINIMUM CENTRAL PRESSURE... 930 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL
HURRICANE CENTER AT 5 PM AST.
 
FORECASTER PASCH 
 
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