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ZCZC MIATCPAT4 ALL TTAA00 KNHC DDHHMM BULLETIN TROPICAL STORM GERT ADVISORY NUMBER 7 NATIONAL WEATHER SERVICE MIAMI FL 11 PM AST SUN SEP 12 1999 ...GERT NEARING THE THRESHOLD OF HURRICANE STRENGTH... AT 11 PM AST...0300Z...THE CENTER OF TROPICAL STORM GERT WAS LOCATED NEAR LATITUDE 15.1 NORTH...LONGITUDE 36.3 WEST OR ABOUT 1500 MILES...2400 KM...EAST OF THE LESSER ANTILLES. GERT IS MOVING TOWARD THE WEST NEAR 20 MPH ...32 KM/HR...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE NEXT 24 HOURS. MAXIMUM SUSTAINED WINDS ARE NEAR 65 MPH...100 KM/HR...WITH HIGHER GUSTS. CONDITIONS FAVOR FURTHER STRENGTHENING...AND GERT WILL LIKELY BECOME A HURRICANE ON MONDAY. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 115 MILES ...185 KM FROM THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 994 MB...29.35 INCHES. REPEATING THE 11 PM AST POSITION...15.1 N... 36.3 W. MOVEMENT TOWARD...WEST NEAR 20 MPH. MAXIMUM SUSTAINED WINDS... 65 MPH. MINIMUM CENTRAL PRESSURE... 994 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 5 AM AST...MONDAY. PASCH STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE FOUND UNDER AFOS HEADER MIASPFAT4 AND WMO HEADER WTNT74 KNHC. NNNN