.FOR CALIFORNIANS it thought that recognition. In 2015 a procession of tornados, fuelled by atmospheric rivers, eliminated at the very least 21 folks and also triggered nearly $5bn-worth of damage around the condition. On February fourth this year the very same type of tornado once again wreaked havoc. Hurricane-strength winds buffeted the core shoreline near Major Sur. In Los Angeles personalities were saturated as they arrived at the Grammy honors' ceremony. Manors in the Hollywood Hillsides were covered in dirt. At the very least three individuals have actually passed away. What are atmospheric rivers, and also are they a risk beyond The golden state?