ESS513 Influence on NC Weather Part 3: El Nino and La Nina

Both El Nino and La Nina have this in common

• Influence birds that migrate over the ocean

• Influence weather world wide

• The weather at the polar regions

• The directions that ships travel in the oceans

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NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

During an El Nino year, in North Carolina we will likely have what kind of winter?

• cold and snowy

• hot and dry

• cold and dry

• no change in weather

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El Nino occurs when the tropical ocean waters are warmer in which ocean?

• Atlantic
• Indian
• Pacific
• Arctic

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NGSS.MS-ESS2-6

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

• the Gulf Stream
• the Jet Stream
• La Nina
• El Nino

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NGSS.MS-ESS2-6

How could La Niña affect weather during the summer in North Carolina?

• It could decrease wind.
• It could increase rainfall. 
• It could decrease rainfall. 

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NGSS.MS-ESS2-5

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Which causes North Carolina to experience an increase in winter precipitation?

• El Niño
• La Niña
• trade winds
• prevailing westerlies

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NGSS.MS-ESS2-5

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Which North Carolina weather conditions are associated with El Niño?

• increased temperature, increased precipitation
• decreased temperature, increased precipitation
• increased temperature, decreased precipitation
• decreased temperature, decreased precipitation

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NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Which best describes El Niño?

• The water in the Pacific Ocean gets warmer than normal and causes fewer hurricanes to form.
• The water in the Pacific Ocean gets colder than normal and causes more hurricanes to form.
• The water in the Pacific Ocean gets colder than normal, and the flow of the jet stream is disrupted.
• The water in the Pacific Ocean gets warmer than normal, and the flow of the jet stream is disrupted.

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NGSS.MS-ESS2-5

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Which best explains why El Niño could cause an increase in precipitation in California?

• Colder ocean water causes the air to warm and brings low air pressure South of the United States

• Warmer ocean water allows for warm air to be blown toward the United States and cause droughts.
• Cooler ocean water causes the air to cool, and brings high air pressure to the United States.
• Warmer ocean water allows for warmer, wet air to travel east toward the United States.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Where does the term El Niño come from and what does it mean?

• “The Child,” due to its appearance around the Christmas season

• "The Chile," due to its appearance around Thanksgiving

• "The Kid", due to its appearance around Easter

• "The Family", due to its appearance around 4th of July