What is actually an atmospheric stream?

.FOR CALIFORNIANS it seemed like familiarity. In 2014 a march of hurricanes, sustained through climatic streams, gotten rid of at least 21 individuals and triggered nearly $5bn-worth of damage throughout the condition. On February 4th this year the same sort of tornado once again ravaged.

Hurricane-strength winds buffeted the main coast near Big Sur. In Los Angeles famous people were actually saturated as they reached the Grammy awards’ welcome mat. Estates in the Hollywood Hills were dealt with in mud.

A minimum of three people have perished. What are actually climatic waterways, as well as are they a danger beyond The golden state?