.FOR CALIFORNIANS it felt like familiarity. In 2014 a march of hurricanes, fuelled through atmospherical streams, gotten rid of at the very least 21 folks and also resulted in virtually $5bn-worth of damages across the state. On February fourth this year the same type of tornado once again created chaos. Hurricane-strength winds buffeted the central coastline near Huge Sur. In Los Angeles celebs were actually saturated as they got to the Grammy awards' red carpet. Estates in the Hollywood Hillsides were dealt with in dirt. At the very least three people have actually died. What are actually atmospherical streams, and are they a hazard past California?