.FOR CALIFORNIANS it seemed like familiarity. Last year a parade of tornados, sustained through atmospheric streams, gotten rid of at least 21 individuals as well as resulted in almost $5bn-worth of damages throughout the state. On February 4th this year the exact same type of storm once more wreaked havoc. Hurricane-strength winds buffeted the central shoreline near Big Sur. In Los Angeles personalities were saturated as they arrived at the Grammy awards' welcome mat. Manors in the Hollywood Hills were covered in dirt. A minimum of three people have actually passed away. What are atmospheric rivers, and also are they a threat past The golden state?