Tuesday, February 21, 2012

Thursday: El Niño & La Niña



El Niño:

El Niño is a disruption of the ocean atmospheric system that causes global changes in weather, mostly oceanic warming. It occurs every 3 to 7 years and can last anywhere from 12 to18 months. El Niño appears with Southern Oscillation and is seen in wintertime. El Niño brings warmer than normal weather.


La Niña:


La Niña is sometimes referred to as El Viejo. It is associated with cooler weather and occurs anytime El Niño is not present.


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