El Nino and La Nina Flashcards
what is El Nino and La Nina
El Niño and La Niña are natural events that are part of global climate.
How does El Nino and La Nina
They occur when conditions in the Pacific Ocean change from its ‘normal’ state for a period of time.
What is El Nino associated with?
El Niño is associated with a cooling of the western Pacific Ocean.
What is La Nina associated with?
La Niña is associated with a warming of the western Pacific Ocean.
What happens during the natural period?
Easterly winds travel from east to west near the equator.
Warm water from the tropics is pushed across the Pacific Ocean, towards Asia and Australia.
The warm water near Asia and Australia evaporates to form clouds and rain.
El Nino
Causes sea temperatures in the western Pacific Ocean to become cooler than normal.
La Nina
La Niña causes sea temperatures in the western Pacific Ocean to become warmer than normal.