.FOR CALIFORNIANS it thought that recognition. Last year a march of tornados, fuelled by atmospherical streams, eliminated a minimum of 21 folks and also led to nearly $5bn-worth of harm throughout the condition. On February 4th this year the very same form of hurricane once more ravaged. Hurricane-strength winds buffeted the main coastline near Huge Sur. In Los Angeles personalities were actually saturated as they got to the Grammy awards' ceremony. Residences in the Hollywood Hillsides were actually covered in mud. A minimum of three individuals have actually perished. What are actually atmospheric waterways, and also are they a danger beyond California?