In this First Warning Weather University lesson, Chief Meteorologist David Yeomans explores what La Niña is and its little brother, El Niño. he United State for the past couple of years.

El Nino is a Spanish word that means "little boy" or "Christ Child." The phenomenon was named El Niño because South American fishermen first observed it in the early 17th century. The name was ...

A vast spot in the Pacific Ocean called the El Niño-Southern Oscillation effects weather the world over. This spot is famous for creating oscillating weather patterns known as El Niño and La Niña.