000 WTNT33 KNHC 020828 TCPAT3 BULLETIN HURRICANE HANNA ADVISORY NUMBER 22 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL082008 500 AM AST TUE SEP 02 2008 ...HANNA MOVING LITTLE... ...HEAVY RAINFALL IS AFFECTING THE SOUTHEASTERN BAHAMAS...TURKS AND CAICOS ISLANDS...AND HAITI... 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 500 AM AST...0900Z...THE CENTER OF HURRICANE HANNA WAS LOCATED NEAR LATITUDE 21.3 NORTH...LONGITUDE 72.7 WEST OR ABOUT 35 MILES... 55 KM...EAST-NORTHEAST OF GREAT INAGUA ISLAND AND ABOUT 395 MILES ...635 KM...SOUTHEAST OF NASSAU. HANNA IS DRIFTING TOWARD THE WEST NEAR 2 MPH...4 KM/HR. SLOW AND ERRATIC MOTION IS POSSIBLE DURING THE NEXT 24 HOURS. HOWEVER...BY WEDNESDAY A GRADUAL NORTHWESTWARD MOTION TOWARD THE CENTRAL BAHAMAS IS EXPECTED BEGIN. MAXIMUM SUSTAINED WINDS REMAIN NEAR 80 MPH...130 KM/HR...WITH HIGHER GUSTS. HANNA IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON SCALE. SOME FLUCTUATIONS IN STRENGTH ARE POSSIBLE DURING THE NEXT 24 HOURS....WITH GRADUAL STRENGTHENING EXPECTED TO BEGIN ON WEDNESDAY. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 35 MILES...55 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175 MILES...280 KM. THE 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 500 AM AST POSITION...21.3 N...72.7 W. MOVEMENT TOWARD...WEST NEAR 2 MPH. MAXIMUM SUSTAINED WINDS...80 MPH. MINIMUM CENTRAL PRESSURE...978 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 STEWART