John Vaillant, the author of Fire Weather, explains why fires such as those in Los Angeles are different from those before

When writing about the hot, dry Santa Ana winds and how they affect the behavior and imaginations of southern Californians, Joan Didion once said: “The winds show us how close to the edge we are.”

I’ve lived here my entire life. I evacuated my family’s hillside home as a teenager. I’ve experienced the surrealism of watching ash rain down from the sky more times than I can count. But there is something different, supercharged, about the hurricane-force winds that fueled this week’s catastrophic wildfires in Los Angeles.