How is El Niño affecting the weather where you live?

El Niño and La Niña are complex weather patterns resulting from variations in ocean temperatures in the Equatorial Pacific. read more

El Niño can also affect temperature. The warming water tends to boost global air temperatures by at least 0.1°C, meteorologist Jeff Masters writes for the Weather Underground. read more

This relationship has occurred during more than 80% of the El Niño events in the past 100 years. In Southern California and U.S. Southwest, strength matters. Over California and the Southwest, the relationship between El Niño and above-average precipitation is weaker, and it depends significantly on the strength of the El Niño. read more

El Niño is a climate cycle in the Pacific Ocean with a global impact on weather patterns. The cycle begins when warm water in the western tropical Pacific Ocean shifts eastward along the equator toward the coast of South America. read more