.FOR CALIFORNIANS it believed that familiarity. In 2013 a ceremony of tornados, sustained by atmospherical rivers, eliminated a minimum of 21 folks as well as created almost $5bn-worth of damages across the state. On February fourth this year the same form of tornado again wreaked havoc. Hurricane-strength winds buffeted the central shore near Significant Sur. In Los Angeles famous people were actually soaked as they reached the Grammy awards' welcome mat. Mansions in the Hollywood Hillsides were actually dealt with in mud. At the very least three folks have actually died. What are climatic streams, and also are they a danger beyond The golden state?