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El Nino. BIG IDEA: Abiotic and biotic factors influence the environment. Large-scale changes in atmospheric and ocean current patterns in which, among other things, warms surface water in the Pacific moves further to the east than normal.

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El nino

El Nino

BIG IDEA: Abiotic and biotic factors influence the environment








Effects of el nino
Effects of El Nino temperature and pressure literally move air and moisture around the sky -- if you change the source of heat, you change the entire weather system

  • More hurricanes in the Pacific

  • Induced droughts in the Amazon and Indonesia leading to fires

  • Intense rains in areas that are characteristically dry

  • Major storms in the NE U.S.

  • Flooding in the SE U.S.



La nina
La Nina States

  • Large-scale changes in atmospheric and ocean current patterns in which, among other things, warms surface water in the Pacific moves further to the west than normal



Why do el nino and la nina occur
Why do El Nino and La Nina Occur? eastern equatorial Pacific

  • El Niño and La Niña result from interaction between the surface of the ocean and the atmosphere in the tropical Pacific.

  • Changes in the ocean impact the atmosphere and climate patterns around the globe.



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