What is a climatic waterway?

.FOR CALIFORNIANS it believed that du00e9ju00e0 vu. In 2013 a parade of storms, fed through atmospheric rivers, killed a minimum of 21 people as well as caused nearly $5bn-worth of damages all over the condition. On February fourth this year the same type of storm once more ravaged.

Hurricane-strength winds buffeted the central shoreline near Big Sur. In Los Angeles stars were actually soaked as they got to the Grammy awards’ ceremony. Estates in the Hollywood Hills were dealt with in mud.

At the very least three people have actually passed away. What are actually atmospheric streams, and also are they a risk beyond California?