.FOR CALIFORNIANS it seemed like familiarity. In 2013 a procession of hurricanes, fuelled through atmospherical streams, eliminated a minimum of 21 folks and also triggered virtually $5bn-worth of harm across the condition. On February fourth this year the same sort of tornado again ravaged. Hurricane-strength winds buffeted the central shoreline near Huge Sur. In Los Angeles stars were saturated as they came to the Grammy awards' ceremony. Mansions in the Hollywood Hillsides were actually dealt with in dirt. At the very least three folks have actually passed away. What are actually climatic streams, and also are they a hazard beyond California?