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ZCZC MIATCPAT5 ALL TTAA00 KNHC DDHHMM BULLETIN TROPICAL STORM DENNIS ADVISORY NUMBER 6 NATIONAL WEATHER SERVICE MIAMI FL 5 AM AST WED AUG 25 1999 AT 5 AM AST...0900 UTC...A HURRICANE WATCH AND A TROPICAL STORM WARNING ARE IN EFFECT FOR THE CENTRAL BAHAMAS...INCLUDING CAT... EXUMAS...LONG...RUM CAY...AND SAN SALVADOR ISLANDS. A HURRICANE WATCH IS NOW IN EFFECT FOR THE NORTHWESTERN BAHAMAS...INCLUDING ABACOS...ANDROS...BERRY...BIMINI...ELEUTHERA...GRAND BAHAMA...AND NEW PROVIDENCE ISLANDS. A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE SOUTHEASTERN BAHAMAS AND THE TURKS AND CAICOS ISLANDS. INTERESTS ALONG THE ENTIRE SOUTHEASTERN U.S. COAST SHOULD MONITOR THE PROGRESS OF DENNIS. AT 5 AM AST...0900Z...THE CENTER OF TROPICAL STORM DENNIS WAS LOCATED NEAR LATITUDE 23.1 NORTH...LONGITUDE 72.8 WEST OR ABOUT 320 MILES...515 KM...EAST-SOUTHEAST OF NASSAU IN THE BAHAMAS. DENNIS IS MOVING TOWARD THE WEST NORTHWEST NEAR 8 MPH ...13 KM/HR...AND THIS MOTION IS EXPECTED TO CONTINUE FOR THE NEXT 24 HOURS. MAXIMUM SUSTAINED WINDS ARE NEAR 45 MPH... 75 KM/HR...WITH HIGHER GUSTS. SOME STRENGTHENING IS FORECAST DURING THE NEXT 24 HOURS. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 70 MILES ...110 KM FROM THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 1008 MB...29.77 INCHES. REPEATING THE 5 AM AST POSITION...23.1 N... 72.8 W. MOVEMENT TOWARD...WEST NORTHWEST NEAR 8 MPH. MAXIMUM SUSTAINED WINDS... 45 MPH. MINIMUM CENTRAL PRESSURE...1008 MB. AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 8 AM AST FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 11 AM AST. BEVEN STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE FOUND UNDER AFOS HEADER MIASPFAT5 AND WMO HEADER WTNT75 KNHC. NNNN