La Niña, a cool air and cool ocean mixture affects the united states and the weather it brings. La Niña may be in the Pacific Ocean, but it affects the central areas of the United States as well. It causes the temperature in the Pacific Ocean to be lower in certain areas.
La Niña is back after having slowed down for a while and will likely cause more drought conditions throughout the fall. It also means that hurricane season will still be in full force. On the left is a picture that is a simple explanation of what La Niña is.