1. Air Pressure and Winds Chapter 6

4. Mercury Barometer

5. Aneroid Barometer

6. Aneroid Barometer and Barograph

7. Atmosphere Thickness and Pressure at Altitude 50% below 6km altitude 90% below about 18km 0.00003% above 100km Sealevel Pressure = 14.7 lb/in 2 or 1013 mb Orem Pressure = 12.5 lb/in 2 or 860 mb Figure 1-20, p. 22 Orem

8. Pressure Changes with Altitude

9. Pressure Variations with Temperature

10. Adjusting to Sea-Level Pressure

11. Planes Fly at Constant Air Pressure Level

12. Isobars

13. Factors Affecting Wind

14. Sea Breeze Caused by Pressure Gradient

17. Coriolis Effect

21. Geostrophic Wind

25. Effect of Friction

26. Gradient Wind

28. Surface High and Low Pressure Systems

29. Wind Measurement Wind Vane Prevailing Wind Cup Anemometer Aerovane

30. Wind Rose

31. Chapter 6 END