Weather and Climate: Exam Two Review Sheet
Humidity
 Parts of the Hydrosphere
 The Water Cycle and the processes that drive it
 Latent Heat – Calories
 Phases of Water
 Humidity
o Absolute Humidity
o Specific Humidity
o Mixing Ratio
 Vapor Pressure – Actual and Saturation
 Relative Humidity
 Ways to change relative humidity
 Dew Point and Frost Point
 Measuring Humidity
o Sling Psychrometer and Hygrometer
Stability
o Adiabatic Temperature Change
o Dry Adiabatic Lapse Rate
o Wet Adiabatic Lapse Rate
o Difference from Environmental Lapse
Rate
o Four Mechanisms of lifting air
o Frontal Wedging
o Convergence
o Convection
o Orographic Lifting
 Windward v. Leeward side of the
mountain
 Rain shadow Effect
o The Basics of Stability
o Three Types of Stability
o Stability and Daily weather
Clouds, Fog, and Precipitation
 Clouds defined
 How clouds are formed and conditions needed
 Types of Condensation Nuclei
 Cloud Classification
o Three Basic Forms of Clouds
o Three levels by height
o Types of Clouds and their characteristics
 High Clouds
 Middle Clouds
 Low Clouds
 Clouds with vertical development
 Mammatus and Lenticular Clouds
 Fog Defined and how it develops
 Types of Fog
 Geographic Distribution of Fog
 Relative size of a cloud droplet and a raindrop
 The Bergeron Process
 Collision and Coalescence
 Types of Precipitation
 Measuring Precipitation
Lab
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Calculating calories needed to change the form of
water
Calculate Relative Humidity and the Actual Vapor
Pressure
Find the Dew Point Temperature
Using data from a sling psychrometer
Calculating a Mixing Ration
Using the Dry and Wet Adiabatic Lapse Rate
The Mountain Problem
Calculating the average environmental lapse rate
Three types of stability