ZCZC MIATCDEP4 ALL TTAA00 KNHC DDHHMM HURRICANE HOWARD DISCUSSION NUMBER 19 NATIONAL WEATHER SERVICE MIAMI FL 8 AM PDT TUE AUG 25 1998 HOWARD CONTINUES AS AN IMPRESSIVE HURRICANE. NO SIGNIFICANT CHANGES HAVE BEEN OBSERVED DURING THE PAST FEW HOURS. INITIAL MOTION IS 285/11 AND THE GENERAL MOTION IS FORECAST TO CONTINUE TROUGH 72 HOURS. THE INTENSITY FORECAST CALLS FOR GRADUAL WEAKENING...WITH THE SYSTEM APPROACHING 25 DEG C WATERS BY 36 HOURS OR SO. THIS ADVISORY IS PRACTICALLY AN UPDATE OF THE PREVIOUS ONE. AVILA FORECAST POSITIONS AND MAX WINDS INITIAL 25/1500Z 17.5N 120.0W 125 KTS 12HR VT 26/0000Z 18.0N 121.8W 115 KTS 24HR VT 26/1200Z 18.6N 123.9W 105 KTS 36HR VT 27/0000Z 19.3N 125.9W 95 KTS 48HR VT 27/1200Z 19.9N 128.2W 85 KTS 72HR VT 28/1200Z 20.9N 132.5W 75 KTS NNNN