.FOR CALIFORNIANS it felt like du00e9ju00e0 vu. In 2014 a procession of storms, sustained by atmospherical streams, gotten rid of at least 21 folks as well as induced nearly $5bn-worth of damage all over the state. On February 4th this year the very same kind of storm once again ravaged. Hurricane-strength winds buffeted the main shore near Large Sur. In Los Angeles famous people were actually soaked as they got to the Grammy awards' welcome mat. Estates in the Hollywood Hillsides were actually covered in mud. At least three folks have actually died. What are climatic rivers, and also are they a danger beyond The golden state?