What is actually a climatic stream?

.FOR CALIFORNIANS it thought that recognition. In 2015 a parade of tornados, fed by atmospherical waterways, killed at least 21 individuals and induced almost $5bn-worth of harm around the state. On February fourth this year the very same sort of tornado once again created chaos.

Hurricane-strength winds buffeted the central shore near Huge Sur. In Los Angeles celebs were saturated as they came to the Grammy honors’ red carpet. Estates in the Hollywood Hills were actually covered in dirt.

At the very least three folks have perished. What are climatic streams, and are they a risk past The golden state?