ZCZC MIATCDAT3 ALL TTAA00 KNHC DDHHMM HURRICANE MITCH SPECIAL DISCUSSION NUMBER 15 NATIONAL WEATHER SERVICE MIAMI FL 7 AM EST SUN OCT 25 1998 THIS SPECIAL ADVISORY IS BEING ISSUED AS A RESULT OF A HURRICANE WATCH BEING ISSUED BY THE GOVERNMENT OF THE CAYMAN ISLANDS. THE TRACK AND INTENSITY FORECAST REMAIN UNCHANGED. MAYFIELD FORECAST POSITIONS AND MAX WINDS INITIAL 25/1200Z 16.2N 79.5W 110 KTS 12HR VT 25/1800Z 16.4N 80.1W 115 KTS 24HR VT 26/0600Z 16.7N 81.0W 120 KTS 36HR VT 26/1800Z 17.0N 81.7W 120 KTS 48HR VT 27/0600Z 17.3N 82.5W 120 KTS 72HR VT 28/0600Z 17.5N 83.5W 120 KTS NNNN