ZCZC MIATCPAT5 ALL TTAA00 KNHC DDHHMM BULLETIN HURRICANE HUMBERTO ADVISORY NUMBER 20 NATIONAL WEATHER SERVICE MIAMI FL 5 AM AST WED SEP 26 2001 ...TENACIOUS HUMBERTO STRENGTHENS A BIT OVER COOL WATERS... AT 5 AM AST...0900Z...THE CENTER OF HURRICANE HUMBERTO WAS LOCATED NEAR LATITUDE 40.7 NORTH...LONGITUDE 59.7 WEST OR ABOUT 225 MILES...360 KM...SOUTH OF SABLE ISLAND NOVA SCOTIA. AFTER TURNING BRIEFLY TO THE NORTH FOR SEVERAL HOURS...HUMBERTO IS AGAIN MOVING TOWARD THE NORTHEAST NEAR 10 MPH ...17 KM/HR. A GRADUAL TURN TO THE EAST-NORTHEAST IS EXPECTED WITHIN THE NEXT 24 HOURS. MAXIMUM SUSTAINED WINDS ARE NEAR 80 MPH...130 KM/HR...WITH HIGHER GUSTS. HUMBERTO WILL BE MOVING OVER MUCH COOLER WATER AND IS EXPECTED TO WEAKEN BELOW HURRICANE STRENGTH DURING THE NEXT 24 HOURS. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 25 MILES... 35 KM... FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 140 MILES...220 KM. ESTIMATED MINIMUM CENTRAL PRESSURE IS 987 MB...29.15 INCHES. REPEATING THE 5 AM AST POSITION...40.7 N... 59.7 W. MOVEMENT TOWARD...NORTHEAST NEAR 10 MPH. MAXIMUM SUSTAINED WINDS... 80 MPH. MINIMUM CENTRAL PRESSURE... 987 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 11 AM AST. FORECASTER FRANKLIN NNNN