After the "Atmospheric Moisture" lecture and readings you should be able to answer and discuss the following questions.

What is the chemical formula for water?

What is latent heat and why is it important?

What is the phase change process as a material goes from a gas to a liquid?

What is the phase change process as a material goes from a gas to a solid?

What is the phase change process as a material goes from a solid to a liquid?

What is the phase change process as a material goes from a solid to a gas?

What is the phase change process as a material goes from a liquid to a gas?

What is the phase change process as a material goes from a liquid to a solid?

Why is water unusual in its physical properties?

What is so special about the presence of water on Earth?

Where is most of the world's water supply located?

What is the largest reservoir of fresh water?

From where does most of the fresh water used in the world come?

What is the Hydrologic Cycle?

What is humidity?

By percent, how much water is there in the atmosphere?

Define absolute humidity and write this definition in an equation form.

Define the mixing ratio and write this definition in an equation form.

Define specific humidity and write this definition in an equation form.

What is the water vapor pressure, and why is this important?

Define relative humidity and write this definition in an equation form.

Which measure of humidity is reported on the weather reports on radio and television?

What are the two means by which relative humidity can be changed?

A low air temperature means that the air has a ________ water holding capacity.

A high air temperature means that the air has a ________ water holding capacity.

If temperature changes will the amount of water in the air necessarily change?

If the amount of water in the air increase or decreases is there a change in temperature?

Define dew point temperature.

Can the air temperature ever be lower than the dew point temperature?

What is the adiabatic process?

What is the numeric value of the Dry Adiabatic Lapse Rate (in Metric units)?

What does this value mean?

What is the Wet Adiabatic Lapse Rate?

Describe the steps that lead to the formation of a cloud?

Why is the Wet Adiabatic Lapse Rate a slower rate than the Dry Adiabatic Lapse Rate?

Describe the various lifting processes by which condensation occurs: orographic; frontal wedging; convergence; convective

Describe the difference between stable air and unstable air.

What is Absolute Stability?

What is Absolute Instability?

What is Conditional Instability?

What is the importance of air stability?

What are some of the conditions or causes that will lead to air instability?

What are some of the conditions or causes that will lead to air stability?

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