Whenever the Mayor or, in his or her absence, the President of the Council, shall find on the basis of accumulated snowfall that street conditions make it necessary that parking on streets in the Business District as shown by streets hereinafter designated be prohibited or restricted for snow plowing, snow removal and related purposes, he or she may put into effect a parking prohibition on parts of or on all streets hereinafter designated by declaring that parking be prohibited on the streets designated as follows, which shall be considered streets in the Business District, and may order signs to be placed on said streets prohibiting parking thereon until snow removal operations are completed, and at which time the signs will be removed, to-wit:
(A) 16th Street from Burlington-Northern Railroad right-of-way to 17th Street;
(B) “G” Street from 17th Avenue to Avenue “F”;
(C) 16th Avenue from Union Pacific Railroad right-of-way to 17th Street;
(D) 17th Avenue from Union Pacific Railroad right-of-way to 18th Street;
(E) “B” Avenue from Union Pacific Railroad right-of-way to 17th Avenue;
(F) “C” Avenue from Union Pacific Railroad right-of-way to 17th Avenue;
(G) “D” Avenue from Union Pacific Railroad right-of-way to “H” Street;
(H) “E” Avenue from Union Pacific Railroad right-of-way to “G” Street;
(I) “H” Street from 17th Avenue to “D” Avenue;
(J) 17th Street from 15th Avenue to 17th Avenue; and
(K) 15th Avenue from 16th Street to 19th Street.