ZCZC MIATCPAT1 ALL TTAA00 KNHC DDHHMM BULLETIN TROPICAL STORM ALEX ADVISORY NUMBER 20 NATIONAL WEATHER SERVICE MIAMI FL 5 AM AST SAT AUG 01 1998 AT 5 AM AST...0900Z...THE CENTER OF TROPICAL STORM ALEX WAS LOCATED NEAR LATITUDE 16.1 NORTH...LONGITUDE 53.6 WEST OR ABOUT 505 MILES MILES...815 KM...EAST OF THE LESSER ANTILLES. ALEX IS MOVING TOWARD THE WEST NEAR 14 MPH...22 KM/HR...AND THIS MOTION IS EXPECTED TO CONTINUE TODAY WITH A TURN TOWARD THE WEST- NORTHWEST POSSIBLE ON TONIGHT. MAXIMUM SUSTAINED WINDS ARE NEAR 40 MPH... 65 KM/HR...WITH HIGHER GUSTS. WHILE ALEX COULD WEAKEN TO A TROPICAL DEPRESSION...OR TURN TOWARD THE WEST-NORTHWEST...IF NEITHER OCCURS DURING THE NEXT 12 TO 24 HOURS THEN A TROPICAL STORM WATCH OR WARNING COULD BECOME NECESSARY FOR A PORTION OF THE LEEWARD ISLANDS. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 145 MILES ...230 KM FROM THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 1005 MB...29.68 INCHES. REPEATING THE 5 AM AST POSITION...16.1 N... 53.6 W. MOVEMENT TOWARD...WEST NEAR 14 MPH. MAXIMUM SUSTAINED WINDS... 40 MPH. MINIMUM CENTRAL PRESSURE...1005 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 11 AM AST. GUINEY STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE FOUND UNDER AFOS HEADER MIASPFAT1 AND WMO HEADER WTNT71 KNHC. NNNN