000 WTNT33 KNHC 030549 TCPAT3 BULLETIN TROPICAL STORM HANNA INTERMEDIATE ADVISORY NUMBER 25A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL082008 200 AM AST WED SEP 03 2008 ...HANNA DRIFTING SOUTHWARD TOWARD NORTHERN HAITI... A HURRICANE WARNING REMAINS IN EFFECT FOR THE CENTRAL BAHAMAS...THE SOUTHEASTERN BAHAMAS...AND THE TURKS AND CAICOS ISLANDS. A HURRICANE WATCH IS IN EFFECT FOR THE NORTHWESTERN BAHAMAS... INCLUDING THE ABACOS...ANDROS ISLAND...BERRY ISLANDS...BIMINI... ELEUTHERA...GRAND BAHAMA ISLAND...AND NEW PROVIDENCE. A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WARNING AREA...GENERALLY WITHIN THE NEXT 36 HOURS. A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE NORTHERN COAST OF THE DOMINICAN REPUBLIC FROM PUERTO PLATA WESTWARD TO BAHIA DE MANZANILLO. A TROPICAL STORM WARNING IS ALSO IN EFFECT FOR HAITI FROM THE NORTHERN BORDER WITH THE DOMINICAN REPUBLIC TO PORT-AU-PRINCE. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED WITHIN THE WARNING AREA WITHIN THE NEXT 24 HOURS. INTERESTS IN THE SOUTHEASTERN UNITED STATES 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 200 AM AST...0600Z...THE CENTER OF TROPICAL STORM HANNA WAS LOCATED NEAR LATITUDE 20.1 NORTH...LONGITUDE 72.5 WEST OR JUST EAST OF ILE DE LA TORTUE HAITI AND ABOUT 80 MILES...130 KM... SOUTH-SOUTHEAST OF GREAT INAGUA ISLAND. HANNA HAS BEEN MOVING SOUTHWARD DURING THE PAST FEW HOURS. HOWEVER...DECREASE IN FORWARD SPEED WITH A TURN TO THE NORTH OR NORTHWEST IS EXPECTED TO BEGIN LATER TODAY...FOLLOWED BY A NORTHWESTWARD MOTION WITH SOME INCREASE IN FORWARD SPEED TONIGHT. ON THE FORECAST TRACK...HANNA IS EXPECTED TO MOVE ACROSS THE SOUTHEASTERN BAHAMAS LATER TODAY...MOVE NEAR OR OVER THE CENTRAL BAHAMAS TONIGHT...AND BE NEAR THE NORTHWESTERN BAHAMAS ON THURSDAY. MAXIMUM SUSTAINED WINDS REMAIN NEAR 65 MPH...100 KM/HR...WITH HIGHER GUSTS. LITTLE CHANGE IN STRENGTH IS FORECAST TODAY...BUT SOME STRENGTHENING IS EXPECTED TONIGHT AND THURSDAY...AND HANNA COULD REGAIN HURRICANE STRENGTH DURING THAT PERIOD. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 230 MILES...370 KM FROM THE CENTER. MINIMUM CENTRAL PRESSURE ESTIMATED FROM AIR FORCE RESERVE UNIT RECONNAISSANCE AIRCRAFT OBSERVATIONS IS 990 MB...29.24 INCHES. HANNA IS EXPECTED TO PRODUCE RAINFALL TOTALS OF 4 TO 8 INCHES... WITH MAXIMUM ISOLATED AMOUNTS OF 12 INCHES...OVER THE SOUTHEASTERN BAHAMAS...THE TURKS AND CAICOS ISLANDS...AND EASTERN CUBA. RAINFALL TOTALS OF 6 TO 10 INCHES...WITH ISOLATED MAXIMUM AMOUNTS OF UP TO 15 INCHES...ARE POSSIBLE OVER HISPANIOLA WHERE THESE RAINS COULD CAUSE LIFE-THREATENING MUD SLIDES AND FLASH FLOODING. COASTAL STORM SURGE FLOODING OF 2 TO 4 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 200 AM AST POSITION...20.1 N...72.5 W. MOVEMENT... DRIFTING SOUTHWARD. MAXIMUM SUSTAINED WINDS...65 MPH. MINIMUM CENTRAL PRESSURE...990 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 500 AM AST. $$ FORECASTER STEWART