(a)
No person shall park any vehicle on any of the streets or portions thereof in the City, listed in Section 16A-20, Schedule XX and designated as Snow Streets whenever snow has fallen and accumulation is such that it covers the streets and highways.
(b)
The above parking prohibition shall take effect immediately after the snow has covered the streets and remain in effect until the snow has either been removed or disappeared to such an extent that parking will not interfere with the normal flow of traffic.