.FOR CALIFORNIANS it seemed like familiarity. Last year a parade of tornados, fuelled by atmospheric rivers, eliminated a minimum of 21 people and induced nearly $5bn-worth of damages all over the condition. On February fourth this year the same sort of tornado once more created chaos. Hurricane-strength winds buffeted the core shore near Major Sur. In Los Angeles personalities were saturated as they got to the Grammy honors' ceremony. Mansions in the Hollywood Hills were actually dealt with in mud. At the very least 3 individuals have actually died. What are actually climatic waterways, and are they a threat past California?