Don’t drive: Calgary police advise residents to stay out of ‘extreme’ conditions  CTV News80-to-100-car pileup closes Highway 2 between Airdrie and Calgary as winter storm wallops Alberta  CTV NewsRCMP warn against travel on all roads in Alberta due to whiteout conditions  Global NewsRCMP warn of dangerous QEII conditions amid multiple collisions  DiscoverAirdrieUpdated: Blowing snow advisory issued for Red Deer as winter storm blankets Alberta  rdnewsnow.com