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#113976 (Received by flhurricane at: 4:58 AM 02.Oct.2006) TCPAT4 BULLETIN HURRICANE ISAAC ADVISORY NUMBER 19 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL092006 500 AM AST MON OCT 02 2006 ...HURRICANE ISAAC RACING TOWARD NEWFOUNDLAND... ...TROPICAL STORM WARNING ISSUED FOR SOUTHEASTERN NEWFOUNDLAND... AT 500AM AST...0900 UTC...THE CANADIAN METEOROLOGICAL SERVICE HAS ISSUED A TROPICAL STORM WARNING FOR THE AVALON PENINSULA IN SOUTHEASTERN NEWFOUNDLAND...WHICH INCLUDES THE CITIES OF ST. JOHNS AND CAPE RACE. AT 500AM AST...A TROPICAL STORM WATCH HAS BEEN ISSUED FOR THE BURIN PENINSULA AND BONAVISTA PENINSULA IN SOUTHEASTERN NEWFOUNDLAND. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL WEATHER OFFICE. AT 500 AM AST...0900Z...THE CENTER OF HURRICANE ISAAC WAS LOCATED NEAR LATITUDE 40.5 NORTH...LONGITUDE 58.2 WEST OR ABOUT 500 MILES... 800 KM...SOUTH-SOUTHWEST OF CAPE RACE NEWFOUNDLAND. ISAAC IS MOVING TOWARD THE NORTH-NORTHEAST NEAR 30 MPH...48 KM/HR... AND THIS MOTION IS EXPECTED TO INCREASE IN SPEED DURING THE NEXT 24 HOURS. MAXIMUM SUSTAINED WINDS ARE NEAR 75 MPH...120 KM/HR...WITH HIGHER GUSTS. ISAAC IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON SCALE. ONLY SLIGHT WEAKENING IS EXPECTED BEFORE ISAAC PASSES OVER OR NEAR SOUTHEASTERN NEWFOUNDLAND LATER TODAY. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 25 MILES...35 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 290 MILES...465 KM. ESTIMATED MINIMUM CENTRAL PRESSURE IS 989 MB...29.21 INCHES. COASTAL STORM SURGE FLOODING OF 2-3 FEET ABOVE NORMAL TIDE LEVELS...ALONG WITH LARGE AND DANGEROUS BATTERING WAVES...CAN BE EXPECTED NEAR AND TO THE EAST OF WHERE THE CENTER MAKES LANDFALL. RAINFALL TOTALS OF 2 TO 3 INCHES WILL BE POSSIBLE OVER SOUTHEASTERN NEWFOUNDLAND TODAY. REPEATING THE 500 AM AST POSITION...40.5 N...58.2 W. MOVEMENT TOWARD...NORTH-NORTHEAST NEAR 30 MPH. MAXIMUM SUSTAINED WINDS...75 MPH. MINIMUM CENTRAL PRESSURE...989 MB. AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 800 AM AST FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 1100 AM AST. $$ FORECASTER LANDSEA/STEWART |