El Niño vs. La Niña

Posted by on Feb 13, 2012 in Quick Facts, RECENT POSTS | Comments

El Niño vs. La Niña

What Is The Difference Between El Niño and La Niña?


El Niño, officially called ENSO (El Nino Southern Oscillation) is referred to an unpredictable climate pattern that exists in the tropical Pacific Ocean. Occurring every two to seven years, and typically lasting 12 to 17 months, it presents itself by abnormally warm ocean temperatures in the Equatorial Pacific.

La Niña on the other hand, occurring approximately half as often as El Niño, presents itself by abnormally cold ocean temperatures in the Equatorial Pacific.

El Niño, being the oscillation for the ocean atmosphere system in tropical Pacific, is one of the most powerful phenomena’s on earth, affecting the weather around the world.

  • National Oceanic and Atmospheric Administration (NOAA)
  • Environment Canada
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