ZCZC MIAWRKAP4 LOC TTAA00 KNHC DDHHMM BULLETIN TROPICAL STORM ANDREW ADVISORY NUMBER 19 NATIONAL WEATHER SERVICE MIAMI FL 11 AM AST FRI AUG 21 1992 ...ANDREW BECOMING BETTER ORGANIZED... AT 11 AM AST...1500Z...THE CENTER OF ANDREW WAS LOCATED NEAR LATITUDE 24.7 NORTH...LONGITUDE 64.6 WEST OR ABOUT 440 MILES ...710 KM...NORTH OF SAN JUAN PUERTO RICO. ANDREW IS MOVING TOWARD THE WEST NORTHWEST NEAR 10 MPH...17 KM/HR... AND THIS MOTION IS EXPECTED TO CONTINUE TODAY AND TONIGHT. MAXIMUM SUSTAINED WINDS ARE NEAR 60 MPH... 95 KM/HR. ANDREW IS EXPECTED TO STRENGTHEN TO HURRICANE FORCE WITHIN THE NEXT 12 TO 24 HOURS. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 85 MILES ...140 KM...FROM THE CENTER. MINIMUM CENTRAL PRESSURE REPORTED BY AN AIR FORCE RESERVE UNIT PLANE IS 1007 MB...29.74 INCHES. REPEATING THE 11 AM AST POSITION...24.7 N... 64.6 W. MOVEMENT TOWARD ...WEST NORTHWEST NEAR 10 MPH. MAXIMUM SUSTAINED WINDS... 60 MPH. MINIMUM CENTRAL PRESSURE...1007 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 5 PM AST. MAYFIELD