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#114059 (Received by flhurricane at: 4:34 PM 02.Oct.2006) TCPAT4 BULLETIN TROPICAL STORM ISAAC ADVISORY NUMBER 21 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL092006 500 PM AST MON OCT 02 2006 ...ISAAC BECOMING EXTRATROPICAL AFTER PASSING NEAR SOUTHEASTERN NEWFOUNDLAND... ENVIRONMENT CANADA IS DISCONTINUING THE TROPICAL STORM WARNING FOR THE AVALON PENINSULA OF SOUTHEASTERN NEWFOUNDLAND. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL WEATHER OFFICE. SATELLITE IMAGES AND SURFACE OBSERVATIONS INDICATE THAT ISAAC IS LOSING TROPICAL CHARACTERISTICS AS IT HEADS FOR THE FAR NORTH ATLANTIC. AT 500 PM AST...2100Z...THE CENTER OF ISAAC WAS LOCATED NEAR LATITUDE 47.1 NORTH...LONGITUDE 52.2 WEST OR ABOUT 50 MILES... 80 KM...EAST-NORTHEAST OF CAPE RACE NEWFOUNDLAND. ISAAC IS MOVING TOWARD THE NORTHEAST NEAR 40 MPH...65 KM/HR... A TURN TO THE EAST-NORTHEAST IS FORECAST DURING THE NEXT 24 HOURS. MAXIMUM SUSTAINED WINDS ARE NEAR 60 MPH...95 KM/HR...WITH HIGHER GUSTS. SOME WEAKENING IS FORECAST DURING THE NEXT 24 HOURS. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 260 MILES...415 KM FROM THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 992 MB...29.29 INCHES. REPEATING THE 500 PM AST POSITION...47.1 N...52.2 W. MOVEMENT TOWARD...NORTHEAST NEAR 40 MPH. MAXIMUM SUSTAINED WINDS...60 MPH. MINIMUM CENTRAL PRESSURE...992 MB. THIS IS THE LAST PUBLIC ADVISORY ISSUED BY THE NATIONAL HURRICANE CENTER ON ISAAC. ADDITIONAL INFORMATION ON THIS SYSTEM CAN BE FOUND IN HIGH SEAS FORECASTS ISSUED BY THE NATIONAL WEATHER SERVICE...UNDER AWIPS HEADER NFDHSFAT1 AND WMO HEADER FZNT01 KWBC. $$ FORECASTER BROWN/PASCH |