1. Review of Conservation of angular momentum (a second look) The Atmopsheric Circulation (a view from space and from NWS models) A closer look at Huricanes, their formation and the oceanic response Zonal average circulation Radiative Budget Atmosheric Circulation Part III

2. Review of Conservation of angular momentum (a second look) The Atmopsheric Circulation (a view from space and from NWS models) A closer look at Huricanes, their formation and the oceanic response Zonal average circulation Radiative Budget Atmosheric Circulation Part III

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

4. Review of Conservation of angular momentum (a second look) The Atmopsheric Circulation (a view from space and from NWS models) A closer look at Huricanes, their formation and the oceanic response Zonal average circulation Radiative Budget Atmosheric Circulation Part III

5. A look at the atmospheric circulation from space http://www.atmos.washington.edu/~ov ens/loops/wxloop.cgi?wv_moll+/14d/ Advection of water vapour associated with Eastrerlies and Westerlies Strong convection over tropical region Generation of Tropical Cyclones

6. equator

7. ITCZ: Inter-Tropical Convergenze Zone

8. Midlatitude Instabilities http://www.atmos.washington.edu /~ovens/loops/wxloop.cgi?ir_centr al+/48h/3h

10. Poleward Heat Transport

11. Midlatitude Cyclones

12. Warm Front Cold Front Tropical Air Polar Air Tropical Air

13. ITCZ: Inter-Tropical Convergenze Zone Midlatitude Instabilities http://www.atmos.washington.edu /~ovens/loops/wxloop.cgi?ir_centr al+/48h/3h

14. L L L L L L L H HH H H H Eq. Low Subtropical High Subpolar Low Polar High

15. Review of Conservation of angular momentum (a second look) The Atmopsheric Circulation (a view from space and from NWS models) A closer look at Tropical Cyclones, their formation and the oceanic response Zonal average circulation Radiative Budget Atmosheric Circulation Part III

16. Tropical Cyclones Webster P.J, G. J. Holland, J. A. Curry, H.-R. Chang (2005) Changes in Tropical Cyclone Number, Duration, and Intensity in a Warming Environment, SCIENCE Emmanuel, K. (2004) Increasing destructiveness of tropical cyclones over the past 30 years, NATURE Articles RITA http://www.atmos.wash ington.edu/~ovens/loop s/wxloop.cgi?fronts_ir_e ast+/48h/ http://www.atmos.wash ington.edu/~ovens/loop s/wxloop.cgi?fronts_ir_e ast+/48h/

17. L F pressure F Coriolis

18. Why do tropical storms intensify?

19. Vortices L F pressure F Coriolis H F pressure High Pressure System Low Pressure System

21. Tropical cyclone have an eye of anticyclonic circulation!

22. Storm Surge: sea level rises because of the low atmospheric pressure system

23. Review of Conservation of angular momentum (a second look) The Atmopsheric Circulation (a view from space and from NWS models) A closer look at Tropical Cyclones, their formation and the oceanic response Zonal average circulation Radiative Budget Atmosheric Circulation Part III

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

25. Review of Conservation of angular momentum (a second look) The Atmopsheric Circulation (a view from space and from NWS models) A closer look at Tropical Cyclones, their formation and the oceanic response Zonal average circulation Radiative Budget Atmosheric Circulation Part III

26. Radiative Budget

28. Rotation effects are not always important

29. Land-Sea Breeze

30. Moonsoons, a continental scale land-sea breeze