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#212611 (Received by flhurricane at: 11:04 PM 01.Sep.2008) TCPAT3 BULLETIN HURRICANE HANNA ADVISORY NUMBER 21 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL082008 1100 PM AST MON SEP 01 2008 ...HANNA MEANDERING... A HURRICANE WARNING REMAINS IN EFFECT FOR THE CENTRAL BAHAMAS...THE SOUTHEASTERN BAHAMAS...AND THE TURKS AND CAICOS ISLANDS. INTERESTS IN EASTERN CUBA...THE NORTHWEST BAHAMAS...AND THE FLORIDA PENINSULA SHOULD MONITOR THE PROGRESS OF HANNA. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL WEATHER OFFICE. AT 1100 PM AST...0300Z...THE CENTER OF HURRICANE HANNA WAS LOCATED NEAR LATITUDE 21.8 NORTH...LONGITUDE 72.5 WEST OR ABOUT 90 MILES... 150 KM...WEST-NORTHWEST OF GRAND TURK ISLAND AND ABOUT 380 MILES... 615 KM...SOUTHEAST OF NASSAU. HANNA HAS MOVED LITTLE OVER THE PAST FEW HOURS...AND LITTLE OVERALL MOTION IS EXPECTED OVER THE NEXT DAY OR SO. A NORTHWESTWARD MOTION TOWARD THE CENTRAL BAHAMAS IS EXPECTED TO BEGIN BY LATE TUESDAY. MAXIMUM SUSTAINED WINDS ARE NEAR 80 MPH...130 KM/HR...WITH HIGHER GUSTS. HANNA IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON SCALE. LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT 24 HOURS. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 70 MILES...110 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175 MILES...280 KM. ESTIMATED MINIMUM CENTRAL PRESSURE IS 978 MB...28.88 INCHES. HANNA IS EXPECTED TO PRODUCE RAINFALL AMOUNTS OF 8 TO 12 INCHES...WITH ISOLATED AMOUNTS OF 20 INCHES...OVER THE SOUTHEASTERN BAHAMAS AND THE TURKS AND CAICOS ISLANDS. AMOUNTS OF 4 TO 8 INCHES...WITH ISOLATED MAXIMUM AMOUNTS OF UP TO 12 INCHES...ARE EXPECTED IN THE CENTRAL BAHAMAS. RAINFALL AMOUNTS OF 2 TO 4 INCHES WITH MAXIMUM AMOUNTS OF UP TO 8 INCHES ARE EXPECTED OVER THE MOUNTAINOUS TERRAIN OF EASTERN CUBA AND NORTHERN PORTIONS OF HISPANIOLA...WHERE THESE RAINS COULD CAUSE LIFE-THREATENING MUDSLIDES AND FLASH FLOODING. COASTAL STORM SURGE FLOODING OF 3 TO 5 FEET ABOVE NORMAL TIDE LEVELS...ALONG WITH LARGE AND DANGEROUS BATTERING WAVES...CAN BE EXPECTED IN AREAS OF ONSHORE FLOW WITHIN THE HURRICANE 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. REPEATING THE 1100 PM AST POSITION...21.8 N...72.5 W. MOVEMENT... STATIONARY. MAXIMUM SUSTAINED WINDS...80 MPH. MINIMUM CENTRAL PRESSURE...978 MB. AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 200 AM AST FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 500 AM AST. $$ FORECASTER FRANKLIN |