ENSO exit ticket

ENSO stands for El niño Southern Oscillation

• True

• False

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112.50.c.9.D

Which of the following are characteristics of a La niña climate cycle? (Select all that apply)

• The pacific ocean is cooler than normal

• More warm water builds up in the western pacific

• Trade winds are stronger than in most years

• Trade winds are in the same direction as a normal year

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112.50.c.9.D

La niña years often follow El niño years and occur when the ​ (a)   ocean is ​ (b)   than normal.

• Pacific
• cooler
• Atlantic
• Atlantic
• Arctic
• Indian
• Warmer

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112.50.c.9.D

What is the cuase of rising surfce temperatures of the Pacific Ocean, drought in the western United States, and flooding on the Pacific coast of South America?

• the Gulf stream

• La Nina

• the Jet stream

• El Nino

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112.50.c.9.D

Which is an effect of La Nina on the South Eastern Summer waether?

• Decreased winds

• Increased humidity

• decreased rainfall/dryer weather

• increased temperature

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112.50.c.9.D

Convection in the ocean impacts the climate of the planet. True or false?

• True

• False

Answer explanation

Convection is the transfer of heat by movement of a fluid such as air. Remember by altering the circulation in the ocean and atmosphere, El Niño events change global climate patterns.

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112.50.c.9.D

El Niño events change global climate patterns. Some regions receive more than average rainfall, including the west coast of North and South America, the southern United States, and Western Europe. Knowing that a La niña event comes after an El niño phenomenon causing opposite climate and weather effects, How would a La Niña event affect Texas weather?

​ The weather would be ​ (a)   and ​ (b)   than normal.

• warmer
• dryer
• wetter
• cooler

Answer explanation

We learned that with El niño, weather is wet along the entire southern US and cooler in the south/southeast US. La niña affects on weather and climate are opposite, meaning weather is warm and dry in the Southern US during a La niña event. The picture on the left illustrates this.

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112.50.c.9.D