ZCZC MIATCDEP1 ALL TTAA00 KNHC DDHHMM TROPICAL DEPRESSION AGATHA DISCUSSION NUMBER 18 NATIONAL WEATHER SERVICE MIAMI FL 2 PM PDT MON JUN 15 1998 AGATHA IS A SWIRL OF LOWER CLOUDS AND IS DOWNGRADED TO A DEPRESSION AS OF 1800Z. DISSIPATION IS EXPECTED DURING THE NEXT DAY OR TWO. THE INITIAL MOTION ESTIMATE IS 300/06. THE DEPRESSION IS LOCATED IN AN AREA OF VERY WEAK STEERING CURRENTS WITH A VERY WEAK RIDGE TO ITS NORTH. IT IS EXPECTED TO DRIFT WEST-NORTHWESTWARD UNTIL DISSIPATION. LAWRENCE FORECAST POSITIONS AND MAX WINDS INITIAL 15/2100Z 20.0N 122.4W 30 KTS 12HR VT 16/0600Z 20.3N 123.1W 25 KTS 24HR VT 16/1800Z 20.8N 124.0W 20 KTS...DISSIPATING 36HR VT 17/0600Z 21.0N 124.6W 20 KTS...DISSIPATING 48HR VT 17/1800Z 21.2N 125.2W 20 KTS...DISSIPATING 72HR VT 18/1800Z 21.4N 126.0W 20 KTS...DISSIPATING NNNN