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What is an El Niño event and what effect does it have on global weather?

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Introduction

What is an El Ni�o event and what effect does it have on global weather? El Ni�o means the Christ Child! El Ni�o is a disruption of the ocean-atmosphere system in the tropical Pacific having important consequences for weather around the globe. In plain terms an El Ni�o is a warm southward current that occurs in the Pacific off the coat of Peru in December. The intensity and persistence of this current vary. An El Ni�o can affect weather conditions everywhere in the world. ...read more.

Middle

Cool up welling water near Peru creates higher air pressures on the coast of Peru, helping to reinforce the trade wind circulation. Up welling water is also rich in nutrients, helping to boost the fishing industry. El Ni�o and La Ni�a conditions; If the South East trade winds weaken, a chain of events takes place to create a new condition in the pacific: * The warm water piled up in the western Pacific by the trade winds slides back eastwards across the ocean * The arrival of this warm water at the coast of Peru (El Ni�o) ...read more.

Conclusion

Australasia, rainfall ceases and drought develops From the information above it is shown that an El Ni�o can and does affect weather all around the world. It causes floods and droughts and plays with the Earth's atmosphere. An El Ni�o is associated with many global weather changes, mainly the rise in water temperature, which can lead to a rise in precipitation. There have been 26 El Ni�os recorded to date, over the succeeding years, scientists studied the El Ni�os, and linked the warm water to increased rainfall in the Southeast United States, and to droughts in Indonesia, Australia, Ethiopia and Zimbabwe. ...read more.

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