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#212916 (Received by flhurricane at: 5:09 PM 02.Sep.2008) TCPAT3 BULLETIN TROPICAL STORM HANNA ADVISORY NUMBER 24 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL082008 500 PM AST TUE SEP 02 2008 ...HANNA WEAKENS AS IT DRIFTS SOUTHWARD... AT 500 PM AST...2100 UTC...THE GOVERNMENT OF THE DOMINICAN REPUBLIC HAS ISSUED A TROPICAL STORM WARNING FOR THE NORTHERN COAST FROM PUERTO PLATA WESTWARD TO BAHIA DE MANZANILLO. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED WITHIN THE WARNING AREA WITHIN THE NEXT 24 HOURS. AT 500 PM AST...2100 UTC...THE TROPICAL STORM WARNING FOR HAITI HAS BEEN EXTENDED AND IS NOW IN EFFECT FROM THE NORTHERN BORDER WITH THE DOMINICAN REPUBLIC TO PORT-AU-PRINCE. 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 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 500 PM AST...2100Z...THE CENTER OF TROPICAL STORM HANNA WAS LOCATED NEAR LATITUDE 20.4 NORTH...LONGITUDE 72.7 WEST OR ABOUT 60 MILES... 95 KM...SOUTHEAST OF GREAT INAGUA ISLAND IN THE SOUTHEASTERN BAHAMAS AND ABOUT 435 MILES...705 KM...SOUTHEAST OF NASSAU. HANNA HAS BEEN DRIFTING TOWARD THE SOUTH-SOUTHEAST NEAR 5 MPH...7 KM/HR. HOWEVER...A NORTHWESTWARD MOTION IS EXPECTED TO BEGIN TONIGHT OR TOMORROW. ON THE FORECAST TRACK...HANNA WILL MOVE OVER THE SOUTHEASTERN BAHAMAS TONIGHT...THE CENTRAL BAHAMAS TOMORROW...AND THE NORTHWESTERN BAHAMAS ON THURSDAY. MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 65 MPH...100 KM/HR...WITH HIGHER GUSTS. LITTLE CHANGE IN STRENGTH IS FORECAST TONIGHT...BUT SOME STRENGTHENING IS FORECAST ON WEDNESDAY AND THURSDAY...AND HANNA COULD REGAIN HURRICANE STRENGTH DURING THAT PERIOD. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175 MILES...280 KM FROM THE CENTER. THE MINIMUM CENTRAL PRESSURE MEASURED BY THE RECONNAISSANCE AIRCRAFT WAS 987 MB...29.15 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 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 PM AST POSITION...20.4 N...72.7 W. MOVEMENT TOWARD...SOUTH-SOUTHEAST NEAR 5 MPH. MAXIMUM SUSTAINED WINDS...65 MPH. MINIMUM CENTRAL PRESSURE...987 MB. AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 800 PM AST FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 1100 PM AST. $$ FORECASTER RHOME/KNABB |