.FOR CALIFORNIANS it believed that du00e9ju00e0 vu. Last year a parade of storms, sustained through atmospheric waterways, killed at the very least 21 people and also caused almost $5bn-worth of damage around the condition. On February 4th this year the same form of hurricane again wreaked havoc. Hurricane-strength winds buffeted the main shore near Huge Sur. In Los Angeles famous personalities were actually soaked as they arrived at the Grammy awards' welcome mat. Residences in the Hollywood Hillsides were actually dealt with in mud. A minimum of three people have died. What are actually climatic streams, and are they a danger beyond California?