Mirage can be defined as heat waves coming from a source of heat, most likely the sun-heated ground. We have all seen mirage while driving on a hot day in the form of the heat waves coming off of a black-topped road.Wind moves these waves the harder the wind is blowing the faster the waves (mirage) will move.e have all seen mirage while driving on a hot day in the form of the heat waves coming off of a black-topped road. Wind moves these waves the harder the wind is blowing the faster the waves (mirage) will move.