ZCZC MIATCPAT3 ALL TTAA00 KNHC DDHHMM 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 NNNN
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Page last modified: Monday, 07-Feb-2005 16:50:06 UTC