.FOR CALIFORNIANS it seemed like familiarity. In 2013 a ceremony of storms, fed by climatic streams, gotten rid of a minimum of 21 folks as well as induced virtually $5bn-worth of damage all over the state. On February fourth this year the same type of storm once again ravaged. Hurricane-strength winds buffeted the main shore near Large Sur. In Los Angeles personalities were actually soaked as they arrived at the Grammy honors' red carpet. Estates in the Hollywood Hills were dealt with in mud. At least three folks have actually died. What are atmospherical rivers, as well as are they a hazard beyond California?