What is a climatic river?

.FOR CALIFORNIANS it thought that recognition. Last year a parade of storms, fed by atmospheric streams, eliminated a minimum of 21 folks and resulted in almost $5bn-worth of damage throughout the state. On February 4th this year the exact same sort of tornado once more created chaos.

Hurricane-strength winds buffeted the core coast near Big Sur. In Los Angeles celebs were saturated as they arrived at the Grammy honors’ ceremony. Residences in the Hollywood Hills were covered in dirt.

At the very least three people have died. What are climatic waterways, and also are they a risk past California?