El Nino have different meanings in each group of people in Spanish, the word El Nino (El Ni ñ o) means son of small children, but if the writing lead with uppercase letters. El Nino (El Ni ñ o) means the baby Jesus Christ for Peruvian will have more meaning is meaning warm current flowing along the Peruvian coast to the south. On 2 - 3 years or more and naming warm current that El Nino before the start of the 20 by begin to know and first noticed for about a year. In 1892 that named El Nino, because there will be a warm water appears along the coast of Peru is the season, starting around the Christmas period (the summer of the southern hemisphere. Which matches during the winter of the northern hemisphere). Hot water will flow into the cold water in this place along the coast of Peru for about 2 - 3 months. (usually along the coast of Peru have cold water appear. As a result of the flow of water from the ocean up to the surface. The cold water rich in nutrients that flow up to the surface).
Sometimes, the warm water appear periodically along the coast of Peru and Ecuador may persist too long 2 - 3 months. This sometimes can be long over the next year. Affect coastal ecology which is associated with the fish, birds eat fish as food. And activities about fishing and agriculture. The heavy rain due to El Nino in Ecuador South and North Peruvian sometimes cause damage in several other cities.
About the middle decades 1970 is definition of El Nino and many about the end of the decade 1990 dozens of definition of El Nino since easy. Up until the complex appeared in books and articles on Science in general. A famous example of definition, El Nino is the 12 to 18 months of sea surface temperature in the eastern half of C of tropical Pacific warmer than normal. Etc., El Nino has moderate or severe will be uneven. Average 5 - 6 years