L 2.8 - CC + ENSO

Question 1

What are normal conditions?

Answer 1

Normally, trade winds and currents flow westward. Warm water moves in this direction. Low pressure is felt at Australia, and high pressure at South America.

Question 2

What are El-Niño conditions?

Answer 2

Trade winds and currents are moving eastward, as is warm water. Australia experiences a dry climate, due to high pressure and absence of winds.

Question 3

What are La-Nina conditions?

Answer 3

• Extreme normal:
  Trade winds, which are greater than normal, are moving westward. Exaggeration of the normal conditions make South America more dry than typical.