ZCZC MIATCDEP4 ALL TTAA00 KNHC DDHHMM TROPICAL STORM CELIA DISCUSSION NUMBER 7 NATIONAL WEATHER SERVICE MIAMI FL 8 PM PDT SAT JUL 18 1998 THE INITIAL MOTION ESTIMATE REMAINS 295/13. THE TRACK GUIDANCE ALL SHOWS A CONTINUED WEST-NORTHWEST TO WEST TRACK THROUGH 72 HOURS WITH STEERING PROVIDED BY A HIGH ANCHORED NEAR THE SOUTHWESTERN U.S. THE OFFICIAL FORECAST TRACK IS AN UPDATE OF THE PREVIOUS ADVISORY. A SMALL BAND OF MODERATELY DEEP CONVECTION PERSISTS AROUND THE CENTER. THE WIND SPEED IS KEPT AT 45 KNOTS FOR 12 HOURS FOLLOWED BY GRADUAL DISSIPATION BY 48 HOURS OR SO OVER INCREASINGLY COLDER WATER. FORECAST POSITIONS AND MAX WINDS LAWRENCE INITIAL 19/0300Z 22.2N 114.2W 45 KTS 12HR VT 19/1200Z 22.9N 115.9W 45 KTS 24HR VT 20/0000Z 23.8N 118.1W 35 KTS 36HR VT 20/1200Z 24.8N 120.4W 25 KTS 48HR VT 21/0000Z 25.8N 122.7W 20 KTS...DISSIPATING 72HR VT 22/0000Z DISSIPATED NNNN