Rainfall

Question 1

How does Relief Rainfall occur?

Answer 1

Relief rainfall occurs when a large body of air (called an air mass, as we will see in the next chapter) is forced to rise over a mountain range.
Prevailing winds

Question 2

How does Cyclonic Rainfall occur?

Answer 2

Cyclonic (frontal) rainfall occurs when an air mass is forced to rise at a front (where two air masses meet).

Question 3

How does convection rainfall occur?

Answer 3

Convectional rain occurs when the atmosphere close to the ground is heated, causing moisture-laden air to rise.