.FOR CALIFORNIANS it felt like familiarity. Last year a ceremony of hurricanes, sustained by climatic waterways, killed a minimum of 21 individuals as well as induced virtually $5bn-worth of harm across the state. On February fourth this year the very same form of hurricane once more wreaked havoc. Hurricane-strength winds buffeted the main shoreline near Major Sur. In Los Angeles celebrities were saturated as they got to the Grammy awards' ceremony. Estates in the Hollywood Hillsides were actually dealt with in dirt. At the very least three people have perished. What are actually atmospherical streams, and also are they a danger beyond California?