1. TOC Back Forward Primer for Skew-T Diagram Use In Atmospheric Thermodynamics.

2. TOC Back Forward Table of Contents Location of Chart Lines Saturation Point

3. TOC Back Forward The Skew-T diagram contains multiple parameters to calculate thermodynamic variables. They include: Pressure - p (mb) 600 700 800 900 1000

4. TOC Back Forward The Skew-T diagram contains multiple parameters to calculate thermodynamic variables. They include: Pressure - p (mb) Temperature - T 600 700 800 900 1000

5. TOC Back Forward The Skew-T diagram contains multiple parameters to calculate thermodynamic variables. They include: Pressure - p (mb) Temperature - T Saturation Mxing Ratio - r v 600 700 800 900 1000

6. TOC Back Forward The Skew-T diagram contains multiple parameters to calculate thermodynamic variables. They include: Pressure - p (mb) Temperature - T Saturation Ratio - r v Saturated Adiabats -  e 600 700 800 900 1000

7. TOC Back Forward The Skew-T diagram contains multiple parameters to calculate thermodynamic variables. They include: Pressure - p (mb) Temperature - T Saturation Ratio - r v Moist Adiabats -  e Dry Adiabats -  600 700 800 900 1000

8. TOC Back Forward Saturation Point Given T and dew point (T d ) at a specific pressure, locate the saturation point. 600 700 800 900 1000

9. TOC Back Forward Saturation Point Given T and dew point (T d ) at a specific pressure, locate the saturation point. Inputs: a) Temperature at p 0 600 700 800 900 1000 T

10. TOC Back Forward Saturation Point Given T and dew point (T d ) at a specific pressure, locate the saturation point. a)Temperature at p 0 b)Dewpoint temperature at p 0 600 700 800 900 1000 T TdTd

11. TOC Back Forward Saturation Point Given T and dew point (T d ) at a specific pressure, locate the saturation point. Draw a line from T, parallel to the dry adiabat… 600 700 800 900 1000 T TdTd

12. TOC Back Forward Saturation Point Given T and dew point (T d ) at a specific pressure, locate the saturation point. Draw a line from T, parallel to the dry adiabat, and a line from T d, parallel to r vs … 600 700 800 900 1000 T TdTd

13. TOC Back Forward Saturation Point Given T and dew point (T d ) at a specific pressure, locate the saturation point. Draw a line from T, parallel to the dry adiabat, and a line from T d, parallel r v. The intersection is the saturation point. 600 700 800 900 1000 T TdTd Saturation point

14. TOC Back Forward Saturation Point Given T and dew point (T d ) at a specific pressure, locate the saturation point. Saturation pressure at T and T d can be determined. 600 700 800 900 1000 p sp