Knoxville Police Chief Dan Losada tells KNIA/KRLS News that the Knoxville Snow Ordinance will go into effect this evening at 7PM. Any vehicle found parked on any street after that time may be cited or towed. The snow ordinance will remain in effect until streets are plowed curb to curb after the storm is over. The city of Pella has also announced that their snow ordinance will go into effect at midnight.