ZCZC MIATCDAT4 ALL TTAA00 KNHC DDHHMM HURRICANE IVAN DISCUSSION NUMBER 25 NATIONAL WEATHER SERVICE MIAMI FL 11 AM EDT SAT SEP 26 1998 IVAN REMAINS WELL-ORGANIZED...WITH A DISTINCT EYE ABOUT 18-20 NMI IN DIAMETER. THE LATEST VISIBLE SATELLITE IMAGERY MAY BEGIN TO SHOW THE EYE FILLING AS IVAN BEGINS TO ENCOUNTER COOLER WATERS. IVAN IS FORECAST TO BECOME EXTRATROPICAL IN 24 HOURS. THE HURRICANE CONTINUES TO ACCELERATE EASTWARD AND THE CURRENT MOTION ESTIMATE IS 080/30. THE CURRENT OFFICIAL FORECAST TRACK IS SIMILAR TO THE PREVIOUS ONE...REACHING SPAIN IN 36 HOURS. THIS IS TRACK IS CONSISTENT WITH THE OBJECTIVE TRACK PREDICTION MODELS. ON THE CURRENT FORECAST TRACK...HURRICANE FORCE WINDS ARE NOT FORECAST TO SPREAD OVER THE AZORES. GROSS FORECAST POSITIONS AND MAX WINDS INITIAL 26/1500Z 40.4N 31.2W 75 KTS 12HR VT 27/0000Z 41.3N 25.4W 70 KTS 24HR VT 27/1200Z 42.2N 16.1W 65 KTS...EXTRATROPICAL 36HR VT 28/0000Z 41.8N 6.1W 35 KTS...EXTRATROPICAL NNNN