Turning northward and encountering unfavorable conditions , Ivan gradually weakened before making landfall just west of Gulf Shores , Alabama on September 16 with winds of 120 mph ( 195 km\/h ) .
Turning northward and encountering unfavorable conditions , Ivan slowly weakened before making landfall just west of Gulf Shores , Alabama , on September 16 with winds of 120 mph ( 195 km\/h ) .