HideShow resource information


  1. Convection: When air is warmed it expands and then rises creating low pressure. 
  2. Frontal: When moist air rises due to a mountain or meeting a mass of air that is colder and denser than itself.
  3. Advection: When warm, moist air is cooled as it crosses over a cooler sea or land surface.
  4. Radiation cooling: When skies are clear at night, the ground loses heat very quickly. As a result, the air directly above the ground also cools quickly. Dew may form.

Humidity: This is the amount of water vapour in the air. 


At the most comprehensive level, precipitation includes…


No comments have yet been made

Similar Geography resources:

See all Geography resources »See all Weather systems resources »