Hadley Cell, Three Cell System. This powerpoint looks at the

1. The effect of high and low pressure on climate

4. The Three Cell System This is the pattern of surface winds you would get in a three cell system. Note in particular the position of high and low pressure.

5. The Three Cell System The first cell to examine is the Hadley Cell . Air rises at the equator and descends approximately 30 degrees N and S of the equator.

6. The Three Cell System This is a basic diagram of the three cell system. Mark on the areas of high and low pressure.

7. The Three Cell System

9. The relatively warm UK

10. The relatively wet UK

11. The world’s deserts and the cell system