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ZCZC MIATCPAT4 ALL TTAA00 KNHC DDHHMM BULLETIN TROPICAL STORM GERT ADVISORY NUMBER 8 NATIONAL WEATHER SERVICE MIAMI FL 5 AM AST MON SEP 13 1999 ...GERT CONTINUES JUST UNDER HURRICANE STRENGTH... AT 5 AM AST...0900Z...THE CENTER OF TROPICAL STORM GERT WAS LOCATED NEAR LATITUDE 15.3 NORTH...LONGITUDE 38.1 WEST OR ABOUT 1415 MILES...2280 KM...EAST OF THE LESSER ANTILLES. GERT IS MOVING TOWARD THE WEST NEAR 20 MPH...32 KM/HR...AND THIS MOTION IS EXPECTED TO CONTINUE FOR THE NEXT 24 HOURS. MAXIMUM SUSTAINED WINDS ARE NEAR 70 MPH...110 KM/HR...WITH HIGHER GUSTS. CONDITIONS ARE FAVORABLE FOR STRENGTHENING DURING THE NEXT 24 HOURS... AND GERT SHOULD BECOME A HURRICANE LATER TODAY. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 115 MILES ...185 KM FROM THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 990 MB...29.23 INCHES. REPEATING THE 5 AM AST POSITION...15.3 N... 38.1 W. MOVEMENT TOWARD...WEST NEAR 20 MPH. MAXIMUM SUSTAINED WINDS... 70 MPH. MINIMUM CENTRAL PRESSURE... 990 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 11 AM AST. BEVEN STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE FOUND UNDER AFOS HEADER MIASPFAT4 AND WMO HEADER WTNT74 KNHC. NNNN