This spot is famous for creating oscillating weather patterns known as El Niño and La Niña. Here's how these patterns control winter weather in the United States. Following is a transcript of ...

El Niño is characterised by warmer ocean temperatures while La Niña is characterised by cooler ocean temperatures. El Nino is a Spanish word that means "little boy" or "Christ Child." ...

However, one agricultural meteorologist says as El Niño fades, La Niña is already knocking at the door, and it could bring dryness to the southern U.S. The biggest question is now timing.