U4C14S3 El Niño and La Niña Short Term Climate changes

Front

What does ENSO stand for?

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El Niño Southern Oscillation

Front

What climate phenomenon is characterized by warmer Pacific Ocean temperatures and increased rainfall in South America, California, and the Southern United States?

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El Niño

Front

List some effects of El Niño.

Back

Warmer temperatures and more rain.

Front

During which months do El Niño and La Niña typically occur?

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During the winter, around December and January.

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How often does El Niño occur?

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Every 4-7 years.

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What is La Niña?

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A climate phenomenon characterized by cooler than average sea surface temperatures in the central and eastern Pacific Ocean.

Front

What are some effects of La Niña?

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Colder temperatures and drier conditions in the southern United States, and increased rainfall in the Pacific Northwest.

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How does El Niño affect global weather patterns?

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It can lead to increased rainfall in some areas and droughts in others, disrupting normal weather patterns.

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What is the relationship between El Niño and hurricanes in the Atlantic?

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El Niño tends to suppress hurricane activity in the Atlantic due to increased wind shear.

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What is the significance of the Pacific Decadal Oscillation (PDO) in relation to ENSO?

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The PDO can influence the frequency and intensity of El Niño and La Niña events.