Cassie Walker ScienceMr.Shepard Natures Portable Heating and Cooling System What Is It?! El Nio are unusual warm temperatures occurring in the equatorial Pacific, La Nia are unusually cold temperatures in the equatorial Pacific. El Nio are unusual warm temperatures occurring in the equatorial Pacific, La Nia are unusually cold temperatures in the equatorial Pacific. NOAA. Retrieved May 10 th 2012 Conditions Of El Nino & La Nina For El Nio easterly trade winds become weaker and can even reverse direction. The Pacific Ocean becomes stationary or pushes eastward and gains heat. For La Nia the Easterly Trade Winds strengthen. The winds blow the warm water towards the west and cold water below the surface pushes up towards the South American coast Accuweather.nina/ nasa.gov NASA Retrieved May 14 th and 17 th nina/ nina/38971 They last ________ El Nio lasts about one year, It starts at the end of one winter and ends a year later at the end of that winter. (Ex. Starts at the end of winter in 2009 Ends at the winter in 2010) La Nia lasts about 9-12 months, some have been reported to last 2 years. Yahoo! Answers AAxHQDf Retrieved May 14 th AAxHQDf AAxHQDf AAxHQDf Its Been That Long Already Its Been That Long Already El Nio occurs every 4-7 years La Nia occurs every 3-6 years Wiki.Answers.r. Retrieved May 14th ccur&altQ=When_does_el_nino_occur&isLookUp=1rr Thats Going to Leave A Mark In 1977 El Nio raged on for eight months killing two thousand one hundred people and costing 21 billion U.S. Dollars. La Nia causes droughts in Western Pacific and floods in Northern South America. National Geographicpage.html Retrieved May 14th 2012 Wikipedia page.htmlpage.html Now You Know La Nia means Little Girl. La Nia means Little Girl. El Nio means Little Boy. El Nio means Little Boy. El Nino and La Nina are the most powerful phenomenon on the earth and alter the climate across more than half the planet. El Nino and La Nina are the most powerful phenomenon on the earth and alter the climate across more than half the planet. El Nino may be caused by underwater volcanoes in the Pacific. El Nino may be caused by underwater volcanoes in the Pacific. Thinkquest retrieved May 17th 2012 eos.ubc.ca EOS retrieved May 17th