3.2 El Nino

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What is an El Nino event?

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An El Nino event is a climate pattern characterized by the warming of ocean surface temperatures in the central and eastern Pacific Ocean, which can disrupt normal weather patterns globally.

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What is a La Nina event?

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A La Nina event is a climate pattern that occurs when ocean surface temperatures in the central and eastern Pacific Ocean are cooler than average, often leading to opposite weather effects compared to El Nino.

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What happens to trade winds during an El Nino?

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During an El Nino, trade winds are typically weaker than average.

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What are normal conditions in the context of El Nino and La Nina?

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Normal conditions refer to the typical weather patterns and ocean temperatures that occur in the absence of El Nino or La Nina events.

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How does El Nino affect weather in California?

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El Nino can cause increased rainfall and stormy weather in California.

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What is the impact of El Nino on hurricane activity in the Atlantic Ocean?

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El Nino typically leads to fewer hurricanes in the Atlantic Ocean.

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What is the warm pool in relation to El Nino?

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The warm pool refers to the area of warmer ocean water in the central and eastern Pacific during an El Nino event, which influences weather patterns.

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What are some global effects of El Nino?

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El Nino can lead to various global weather changes, including droughts in some regions and flooding in others.

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What is the significance of ocean surface temperatures in El Nino?

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Ocean surface temperatures are crucial in El Nino as they influence atmospheric conditions and weather patterns worldwide.

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How does El Nino affect marine life?

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El Nino can disrupt marine ecosystems by altering water temperatures and currents, affecting fish populations and food chains.