El Nino and La Nina

What is the relationship between El Niño and La Niña?

• They have no relationship

• El Niño and La Niña are the same phenomenon

• El Niño and La Niña are opposite phases of a cycle

• El Niño and La Niña occur simultaneously

What happens when trade winds become stronger than normal?

• They blow cool water back into the eastern Pacific and restart the upwelling of warm water in the western Pacific

• They blow cool water back into the western Pacific and restart the upwelling of warm water in the eastern Pacific

• They blow warm water back into the western Pacific and restart the upwelling of cool water in the eastern Pacific

• They blow warm water back into the eastern Pacific and restart the upwelling of cool water in the western Pacific

What happens during El Niño?

• Trade winds strengthen and warm surface water moves eastward

• Trade winds weaken and warm surface water moves westward

• Trade winds strengthen and warm surface water moves westward

• Trade winds weaken and warm surface water moves eastward

What happens during La Niña?

• Trade winds weaken and warm surface water moves eastward

• Trade winds strengthen and warm surface water moves westward

• Trade winds strengthen and warm surface water moves eastward

• Trade winds weaken and warm surface water moves westward

What are trade winds?

• Winds that blow from south to north

• Winds that blow from north to south

• Winds that blow from east to west

• Winds that blow from west to east

What can El Niño and La Niña influence?

• Only weather in Asia

• Only weather in the United States

• Only ocean temperatures

• Extreme weather, food production, water supply, and human health

What are the climate impacts of El Niño?

• Flooding in the Southern United States and warmer, drier conditions in the Pacific Northwest

• Drought in the Southern United States and cooler temperatures, heavy rains, and flooding in the Pacific Northwest

• Drought in the Southern United States and warmer, drier conditions in the Pacific Northwest

• Flooding in the Southern United States and cooler temperatures, heavy rains, and flooding in the Pacific Northwest

What is the impact of La Niña on the jet stream?

• Intensification and northward shift

• Weakening and northward shift

• Intensification and southward shift

• Weakening and southward shift

What are the climate impacts of La Niña?

• Flooding in the Southern United States and cooler temperatures, heavy rains, and flooding in the Pacific Northwest

• Flooding in the Southern United States and warmer, drier conditions in the Pacific Northwest

• Drought in the Southern United States and cooler temperatures, heavy rains, and flooding in the Pacific Northwest

• Drought in the Southern United States and warmer, drier conditions in the Pacific Northwest

What is the impact of El Niño on the jet stream?

• Weakening and southward shift

• Intensification and southward shift

• Weakening and northward shift

• Intensification and northward shift