Hurricane ISABEL

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BULLETIN
HURRICANE ISABEL ADVISORY NUMBER  12
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
11 PM AST MON SEP 08 2003
 
...ISABEL NOW A CATEGORY FOUR HURRICANE ON THE SAFFIR-SIMPSON
SCALE...

AT 11 PM AST...0300Z...THE CENTER OF HURRICANE ISABEL WAS LOCATED
NEAR LATITUDE 18.5 NORTH... LONGITUDE 44.5 WEST OR ABOUT 1135
MILES...1825 KM...EAST OF THE NORTHERN LEEWARD ISLANDS.
 
ISABEL IS MOVING TOWARD THE WEST-NORTHWEST NEAR 13 MPH ...20
KM/HR...AND THIS MOTION IS EXPECTED TO CONTINUE FOR THE NEXT 24
HOURS.
 
MAXIMUM SUSTAINED WINDS HAVE INCREASED AND ARE NOW NEAR 135
MPH...215 KM/HR...WITH HIGHER GUSTS. THIS MAKES ISABEL A CATEGORY
FOUR HURRICANE ON THE SAFFIR-SIMPSON HURRICANE SCALE. SOME
ADDITIONAL STRENGTHENING IS POSSIBLE DURING THE NEXT 24 HOURS.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO  35 MILES... 55 KM...
FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP
TO 140 MILES...220 KM.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS  948 MB...27.99 INCHES.
 
REPEATING THE 11 PM AST POSITION...18.5 N... 44.5 W.  MOVEMENT
TOWARD...WEST-NORTHWEST NEAR 13 MPH.  MAXIMUM SUSTAINED
WINDS...135 MPH.  MINIMUM CENTRAL PRESSURE... 948 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL
HURRICANE CENTER AT 5 AM AST.
 
FORECASTER FRANKLIN
 
 
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