.FOR CALIFORNIANS it thought that familiarity. Last year a march of tornados, sustained by climatic waterways, eliminated at the very least 21 individuals and triggered virtually $5bn-worth of harm around the state. On February 4th this year the exact same sort of storm once more created chaos. Hurricane-strength winds buffeted the central coastline near Significant Sur. In Los Angeles famous personalities were saturated as they came to the Grammy honors' ceremony. Manors in the Hollywood Hillsides were actually dealt with in mud. A minimum of three folks have died. What are actually atmospherical streams, as well as are they a risk beyond California?