LOS ANGELES—Around 9 p.m. on Sunday evening, Carol Sanborn and Jane Richardson were wrapping up a volunteer appreciation dinner at Corpus Christi Catholic Church in the Pacific Palisades neighborhood of Los Angeles when they heard something enormous, unidentifiable and explosive. Like seasoned Californians, they braced themselves for what would come next. “We thought it was … Continue reading Las Tormentas: L.A. County Meets a Next-Level Atmospheric River