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What is La Niña and what happens during La Niña?

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La Niña is a coupled ocean-atmosphere phenomenon. The name originated from Spanish, meaning “The little girl.” Often referee as the cold phase of Enso. During a period of La Niña, the temperature of the sea surface, across the equatorial EC Pacific Ocean will be lower than 3-5 C. La Niña persists for at least 5 months. It has extensive effects on the weather in the northern portion of America, even affecting the Atlantic and the Pacific Hurricane seasons.
User Moleboy
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Answer:

La Nina is directly opposite of El Nino, occurs when sea surface temperatures in the oceans drops than the normal levels.

Step-by-step explanation:

  • Being a weather phenomenon the La Nina is colder as compared to the El Nino, meaning little girl. As the oceans will have lower than the average temperatures of 3 to 5 degrees. As La Nina persists for at least five months. Affecting the weather across the globe especially north America.
  • As it is a positive and cooler phase of El Nino. In Africa, wetter than normal conditions of South Africa and Asia formation of tropical cyclones shifts westwards along the pacific ocean and south America it brings drought-like conditions to Peru and Chile.
  • Thus involves anomalies along the eastern Pacific, ENSO has been linked with global warming and la Nina leads to an increase in rainfall.
User RobertKenny
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