1. Atmosheric Circulation Part II
Important Concepts to remember:
Redistribution of Heat
Effects of Rotation
The role of friction
Conservation of angular momentum

2. Seasonal Heating

3. Differential Heating
From Equators to Poles

4. Non rotating view of Atmospheric Circulation
High Pressure
Low Pressure

5. Redistribution of Heat – Large scale convective Cells
Schematic depiction of the development of the atmospheric circulation, starting from a state of rest
Easterlies (Trades)
Westerlies
Redistribution of Heat
– Large scale convective Cells

6. Rotation effects, the Coriolis Force

7. Some practical rules to remember:
Fpressure
Low Pressure
High Pressure
FCoriolis
Particle will have the Coriolis force 90 degrees to the right
Particles will tend to move along line of constant pressure
Particles will have the high pressure on their right (same as Coriolis)

8. Easterlies (Trades) Westerlies
Schematic depiction of the development of the atmospheric circulation, starting from a state of rest
Easterlies (Trades)
Westerlies

9. Circulation in the atmosphere
Problem?
Circulation in
the atmosphere

10. Role of Friction

11. Easterlies (Trades) Westerlies
Schematic depiction of the development of the atmospheric circulation, starting from a state of rest
Easterlies (Trades)
Westerlies

12. Circulation in the atmosphere
Diagram of Atmospheric Circulation
Circulation in
the atmosphere

13. Vertical view of the atmosphere and Poleward Transport of Heat
Hadley Cell
Ferrel Cell
Polar Cell
Pole
Equator

14. Midlatitude Cyclones

15. Poleward Heat Transport

17. Role of Friction on synoptic scales

18. L H Vortices Low Pressure System High Pressure System Fpressure
FCoriolis
FCoriolis
Fpressure
Low Pressure System
High Pressure System

20. Hurricane IVAN H H L
Fpressure H H
FCoriolis

22. L L H H H L L L H H H L L Polar High Subpolar Low Subtropical High
Eq. Low L L H H H L L

23. Rotation effects are not always important

24. Land-Sea Breeze

25. Moonsoons, a continental scale land-sea breeze