.FOR CALIFORNIANS it seemed like remembrance. In 2013 a march of storms, sustained through climatic rivers, killed a minimum of 21 folks and also resulted in nearly $5bn-worth of damages around the state. On February fourth this year the very same sort of storm once again ravaged. Hurricane-strength winds buffeted the main coastline near Large Sur. In Los Angeles stars were actually saturated as they arrived at the Grammy awards' red carpet. Mansion houses in the Hollywood Hillsides were actually covered in mud. A minimum of 3 people have actually died. What are atmospherical streams, as well as are they a threat beyond The golden state?