000 WTNT33 KNHC 041447 TCPAT3 BULLETIN TROPICAL STORM HANNA ADVISORY NUMBER 31 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL082008 1100 AM AST THU SEP 04 2008 ...HANNA CONTINUES NORTHWESTWARD AND WEAKENS SLIGHTLY... AT 11 AM EDT...1500 UTC...THE HURRICANE WATCH IS EXTENDED NORTHWARD TO OKRACOKE INLET NORTH CAROLINA. A HURRICANE WATCH IS NOW IN EFFECT FROM NORTH OF EDISTO BEACH SOUTH CAROLINA TO OKRACOKE INLET. A TROPICAL STORM WATCH REMAINS IN EFFECT FROM EDISTO BEACH SOUTHWARD TO ALTAMAHA SOUND GEORGIA. A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE CENTRAL AND NORTHWESTERN BAHAMAS. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL WEATHER OFFICE. AT 1100 AM AST...1500Z...THE CENTER OF TROPICAL STORM HANNA WAS LOCATED NEAR LATITUDE 24.5 NORTH...LONGITUDE 73.5 WEST OR ABOUT 245 MILES...400 KM...EAST OF NASSAU AND ABOUT 720 MILES...1160 KM... SOUTH-SOUTHEAST OF WILMINGTON NORTH CAROLINA. HANNA IS MOVING TOWARD THE NORTHWEST NEAR 12 MPH...19 KM/HR...AND THIS MOTION IS EXPECTED TO CONTINUE DURING THE NEXT DAY OR SO WITH A GRADUAL INCREASE IN FORWARD SPEED. A TURN TO THE NORTH IS EXPECTED BY LATE FRIDAY. ON THE FORECAST TRACK...THE CENTER OF HANNA WILL PASS JUST EAST OF THE CENTRAL AND NORTHWESTERN BAHAMAS TODAY...AND WILL BE NEAR THE SOUTHEAST COAST OF THE UNITED STATES BY LATE FRIDAY. HOWEVER...RAINS AND WINDS ASSOCIATED WITH HANNA WILL REACH THE COAST WELL IN ADVANCE OF THE CENTER. MAXIMUM SUSTAINED WINDS ARE NEAR 65 MPH...100 KM/HR...WITH HIGHER GUSTS. LITTLE CHANGE IN STRENGTH IS FORECAST TODAY...HOWEVER... HANNA COULD BECOME A HURRICANE ON FRIDAY PRIOR TO REACHING THE COASTLINE. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 315 MILES...510 KM...MAINLY TO THE NORTH OF THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 989 MB...29.21 INCHES. COASTAL STORM SURGE FLOODING OF 1 TO 3 FEET ABOVE NORMAL TIDE LEVELS CAN BE EXPECTED IN AREAS OF ONSHORE WINDS WITHIN THE TROPICAL STORM WARNING AREA. SWELLS FROM HANNA ARE EXPECTED TO INCREASE THE RISK OF DANGEROUS RIP CURRENTS ALONG PORTIONS OF THE SOUTHEASTERN UNITED STATES COAST DURING THE NEXT COUPLE OF DAYS. HANNA COULD PRODUCE RAINFALL TOTALS OF 2 TO 4 INCHES OVER THE NORTHERN BAHAMAS. REPEATING THE 1100 AM AST POSITION...24.5 N...73.5 W. MOVEMENT TOWARD...NORTHWEST NEAR 12 MPH. MAXIMUM SUSTAINED WINDS...65 MPH. MINIMUM CENTRAL PRESSURE...989 MB. AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 200 PM AST FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 500 PM AST. $$ FORECASTER FRANKLIN