El Nino & La Nina

Question 1

Normal Conditions in the Pacific:

Answer 1

1. Australia: Rising warm air, heavy rainfall
2. South America: Sinking air, warm dry conditions.

Question 2

El Nino:

Answer 2

1. Trade winds stop or reverse
2. Warm water piles up around SA
3. Warmer and more rain in SA
4. Australia, water becomes cooler, less air rising, high pressure, stable conditions.

Question 3

La Nina:

Answer 3

1. Australia extreme version of normal conditions that could result in flooding
2. SA: Droughts