Over the past 48 hours, wildfires have consumed acre after acre and building after building across greater Los Angeles. More than 100,000 people have been ordered to evacuate, and at least five people have died.The Times’s L.A. bureau chief, Corina Knoll, and our staff meteorologist, Judson Jones, explain the paths of the fires and the conditions that have made them so hard to contain.Guests: Corina Knoll, the Los Angeles bureau chief for The New York Times, covering Southern California; and Judson Jones, a meteorologist and reporter for The New York Times.Background reading: