NATS 101-05
Lecture 7

Atmospheric Moisture:
Hydrological Cycle
Humid Air
Saturation Vapor Pressure
Slide 5
SVP and Temperature
Relative Humidity
Relative Humidity
Relative Humidity
(Ahrens, Appendix B)
Other Measures of Humidity
Dew Point
Arizona Dew Point Ranges
Wet Bulb Temperature
Wet Bulb Temperature
(Ahrens, Appendix D)
Heat Index
Humid Air is Less Dense
Slide 17
Summary: Moisture
NowÉCondensation:
Fog Formation
Cloud Condensation Nuclei
Cloud Condensation Nuclei
Cloud Condensation Nuclei
Haze over Melting Snow
Condensation
Size of Cloud Droplets
What is Fog?
Radiation or Ground Fog
Valley Fog
Radiation Fog in Valley
Fog Dissipation in the Morning
Advection Fog
Advection Fog at Golden Gate
Upslope Fog
Steam Fog or Sea Smoke
Why You See Your Breath        on a Cold Winter Night
Steam Fog over Thermal Pool
Precipitation or Frontal Fog
Number of Days with Fog
Summary: Condensation
Summary: Fog
Next Lecture Assignments