Hurricane ISABEL
ZCZC MIATCPAT3 ALL TTAA00 KNHC DDHHMM BULLETIN HURRICANE ISABEL ADVISORY NUMBER 18 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 11 AM AST WED SEP 10 2003 ...ISABEL STILL A CATEGORY 4 HURRICANE WHILE CONTINUING TO MOVE WESTWARD... AT 11 AM AST...1500Z...THE CENTER OF HURRICANE ISABEL WAS LOCATED NEAR LATITUDE 21.3 NORTH...LONGITUDE 50.9 WEST OR ABOUT 750 MILES ...1205 KM...EAST-NORTHEAST OF THE NORTHERN LEEWARD ISLANDS. ISABEL IS MOVING TOWARD THE WEST NEAR 12 MPH...19 KM/HR...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE NEXT 24 HOURS. MAXIMUM SUSTAINED WINDS ARE NEAR 135 MPH...215 KM/HR...WITH HIGHER GUSTS. WHILE LITTLE OVERALL CHANGE IN STRENGTH IS FORECAST OVER THE NEXT 24 HOURS...SOME FLUCTUATIONS IN INTENSITY ARE STILL POSSIBLE. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 45 MILES... 75 KM... FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 185 MILES...295 KM. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 948 MB...27.99 INCHES. REPEATING THE 11 AM AST POSITION...21.3 N... 50.9 W. MOVEMENT TOWARD...WEST NEAR 12 MPH. MAXIMUM SUSTAINED WINDS...135 MPH. MINIMUM CENTRAL PRESSURE... 948 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 5 PM AST. FORECASTER STEWART NNNN