.FOR CALIFORNIANS it felt like recognition. In 2013 a procession of tornados, fed through atmospherical rivers, killed at least 21 folks as well as resulted in virtually $5bn-worth of damages throughout the state. On February 4th this year the very same sort of tornado once again ravaged. Hurricane-strength winds buffeted the central coast near Large Sur. In Los Angeles stars were actually saturated as they reached the Grammy awards' red carpet. Mansion houses in the Hollywood Hills were covered in mud. At the very least three folks have actually perished. What are climatic streams, as well as are they a threat beyond California?