Objectives
• Students should understand how
depressions form
• Students should be able to make full use
of diagrams
• Students should be able to produce a
sequenced explanation of depression
formation and the weather that these
systems bring to the UK.
Formation of a depression
1. Questions from reading?
2. A GCSE video!
3. Describe and explain all
3 stages of what
happens in a
depression. You should
mention pressure
gradient force, cloud and
condensation processes
formation, lapse rates
and atmospheric
pressure in your answer.
Demonstrate understanding
• 3 of you will come to the front and fully
explain what happens in 3 respective
stages of depression development.
• Describe and explain how the weather
changes across a cross section of a
depression using figure 9.45 of David
Waugh.
Review
• Can we get depressions of differing scales and
strengths? How would their effects be different?
• How would the effects of a depression change
over space and time?
Where Depressions Occur
Homework
• Describe the changes taking place on the
graphs.