In the event that the Town Supervisor shall deem the public health and safety, or either of them, to be endangered by accumulations of snow on the public streets and highways of the Town of Fishkill, he may, by written proclamation, declare that a public emergency exists, and he may order that all motor vehicles be removed by the owners or operators thereof from said Town streets and highways or from such of said Town streets and highways as he may specify by proclamation, but not less than one hour from the public promulgation thereof.