EQ1: Types Of Rainfall Flashcards
Describe the process of convectional rainfall
- occurs in summer months bringing heaving rainfall and thunderstorms
1 - sun heats the ground causing moist air to rise
2 - air cools causing condensation forming clouds resulting in rain
Describe the process of relief rainfall
- the most common form of rainfall
1 - warm air gains moisture
2 - warm air forced to rise over a physical barrier
3 - air cools and condenses into clouds on the other side of the physical barrier
Describe the process of frontal precipitation
1 - warmer less dense air rises over colder dense air causing heavy rainfall along the front
What is the inter tropical convergence zone
A narrow zone near the equator when northern and southern air masses converge, typically producing low atmospheric pressure
What is an example of relief rainfall
The east of England experiences more rainfall than the west as prevailing winds from the west are forced to rise over the Pennine mountains running down the centre of the UK causing a rain shadow on the western side of the mountains