1. Earth’s Water Balance

2. Changes of State

3. Water Vapor in the Air

4. Humidity

5. Saturation Vapor Pressure Rises with Temperature

8. Amount of Water Vapor Required for Saturation Rises with Temperature

9. DEW Point Temperature

10. Pseudoadiabatic Chart

12. Air Lifting Mechanisms

13. Relative Humidity Increases with Additional Water Vapor

14. Relative Humidity Increases with Decrease of Temperature

15. Changes in Relative Humidity with Temperature

16. Sling Psychrometer

18. Atmospheric Stability

20. Air Cools at Dry Adiabatic Rate until Reaching Dew Point Then Cools at Wet Adiabatic Rate

21. Orographic Lifting

23. Arid Conditions Caused by Removal of Moisture from Air by Orographic Lifting

24. Frontal Wedging

25. Uplifting by Convergence

27. Cloud Cover from Convergence over Florida

28. Localized Convective Lifting

32. Air Warmer than its Surroundings Rises

33. Rising Air Cooler than Environment Tends Toward Stability

34. Absolute Stability; Environmental Lapse Rate less than Wet Adiabatic Rate

35. Absolute Instability; Environmental Lapse Rate greater than Dry Adiabatic Rate

36. Conditional Stability; Environmental Lapse Rate between the Dry and Wet Adiabatic Rates

37. Orographic Lifting

38. Orographic Lifting Forming a Rain Shadow Desert

40. Convective Uplifting

41. Frontal Convergence: Extra-tropical Cyclone – Plan View

42. Frontal Convergence: Extra-tropical Cyclone – Vertical X sectional View

43. Cumulonimbus Cloud

44. People Caught in a Downpour!

45. Cloud Types

48. Cirrus Clouds

49. Cirrostratus Clouds

50. Cirrocumulus Clouds

51. Altocumulus Clouds

52. Reynold’s Transport Theorem