.FOR CALIFORNIANS it felt like recognition. Last year a parade of storms, fuelled by atmospherical rivers, gotten rid of a minimum of 21 folks and induced nearly $5bn-worth of damage around the condition. On February 4th this year the same sort of hurricane again ravaged. Hurricane-strength winds buffeted the core coast near Big Sur. In Los Angeles famous personalities were soaked as they reached the Grammy honors' ceremony. Mansion houses in the Hollywood Hillsides were covered in dirt. A minimum of three people have actually perished. What are actually atmospheric waterways, and are they a hazard beyond California?