.FOR CALIFORNIANS it believed that familiarity. Last year a procession of hurricanes, fed by atmospheric waterways, gotten rid of at least 21 folks and led to virtually $5bn-worth of harm around the state. On February fourth this year the very same form of storm again created chaos. Hurricane-strength winds buffeted the main coastline near Significant Sur. In Los Angeles famous people were actually saturated as they reached the Grammy awards' ceremony. Estates in the Hollywood Hills were dealt with in dirt. A minimum of 3 folks have actually passed away. What are actually atmospherical rivers, and are they a danger beyond California?