ZCZC MIATCPAT4 ALL TTAA00 KNHC DDHHMM BULLETIN TROPICAL STORM CHANTAL ADVISORY NUMBER 12 NATIONAL WEATHER SERVICE MIAMI FL 11 AM AST SAT AUG 18 2001 ...CHANTAL BECOMING DISORGANIZED...NOT EXPECTED TO INTENSIFY TODAY... AT 11 AM AST...1500 UTC...THE GOVERNMENT OF JAMAICA HAS REPLACED THE HURRICANE WARNING WITH A TROPICAL STORM WARNING AND A HURRICANE WATCH FOR JAMAICA...AND THE GOVERNMENT OF THE CAYMAN ISLANDS HAS ISSUED A TROPICAL STORM WARNING AND A HURRICANE WATCH FOR THE CAYMAN ISLANDS. AT 11 AM AST...1500Z...THE CENTER OF TROPICAL STORM CHANTAL WAS ESTIMATED NEAR LATITUDE 15.0 NORTH...LONGITUDE 73.9 WEST OR ABOUT 280 MILES...450 KM...SOUTHEAST OF KINGSTON JAMAICA. CHANTAL IS MOVING TOWARD THE WEST NEAR 24 MPH...39 KM/HR...AND THIS MOTION IS EXPECTED TO CONTINUE DURING THE NEXT 24 HOURS. ON THIS TRACK CHANTAL WILL BE PASSING TO THE SOUTH OR NEAR JAMAICA LATER TODAY. MAXIMUM SUSTAINED WINDS REMAIN NEAR 60 MPH... 95 KM/HR...WITH HIGHER GUSTS. LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT 24 HOURS. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 145 MILES ...230 KM TO THE NORTH OF THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 1006 MB...29.71 INCHES. RAINFALL TOTALS OF 3 TO 5 INCHES...WITH LOCALLY HEAVIER AMOUNTS IN MOUNTAINOUS AREAS...ARE POSSIBLE ALONG THE PATH OF CHANTAL. REPEATING THE 11 AM AST POSITION...15.0 N... 73.9 W. MOVEMENT TOWARD...WEST NEAR 24 MPH. MAXIMUM SUSTAINED WINDS... 60 MPH. MINIMUM CENTRAL PRESSURE...1006 MB. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL WEATHER OFFICE. AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 2 PM AST FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 5 PM AST. FORECASTER AVILA NNNN