Download Chapter 4: Moisture and Atmospheric Stability

Chapter 4: Moisture and Atmospheric Stability
Fig. 4-2.
Where does most of Earth’s atmospheric moisture originate?
What is transpiration?
Fig. 4-3.
How many calories of water vapor is released when water vapor condenses into liquid?
When water evaporates (from your hand) is this a cooling or heating process? Explain.
Fig. 4-4
List 4 examples of condensation:
Fig. 4-5.
How many calories of energy are released to the surrounding air when frost forms?
Fig 4-6
What is the mixing ratio:
The atmosphere contains between ______% and _____% water vapor.
Fig. 4-9
What is the relationship between water vapor needed to saturate the air and
temperature?
Table 4-1.
How many grams of water are needed to saturate air at 25°C?
How many grams are required at 5°C?
Box 4-2
Which has more water vapor in the air: 104°F at 10% humidity or 14°F air at 100%
humidity?
Fig. 4-10
What are two ways to change the relative humidity?
Fig. 4-12
How does relative humidity change throughout the day?
How does relative humidity compare to temperature throughout the day?
Fig. 4-13
How does condensation occur on the outside of a glass?
Define dew point temperature:
Table 4-2
What is the dew point temp in the tropics?
Fig. 4-14
What does a high dew point determine about the humidity in a region?
Box 4-4
At temperatures of 100°F, what would be an extremely dangerous humidity?
Fig. 4-15
On a psychrometer, what weather is indicated if the wet bulb is the SAME temp. as the
dry bulb?
What is the humidity if the dry bulb is 30°C and the wet bulb is 21°C? (pg. 497)
Fig. 4-16
What is the dry adiabatic rate?
When air rises it ______________ and ______________, yet when air sinks it
________________ and __________________.
Fig. 4-17
What is the wet adiabatic rate? What occurs when a parcel of air reached the wet
adiabatic rate?
4-18
What are three other ways that clouds form besides orographic lifting?
4-19
Which side of the mountains do rain shadow deserts occur in California?
4-20
Why is warm air forced to rise over cold air?
4-21
What type of precipitation would be expected from convergent clouds in Florida?
Box 4-6
Explain why the air on the leeward side of the mountain is dry and warm?
Fig. 4-23
Localized convective lifting of air is due to….
Fig. 4-24
A hot air balloon will rise as long as the air in the balloon is…
Fig. 4-25
In stable air, the parcel will ___________________ to its original position. In other
words, it will resist _______________
Fig. 4-26
In absolutely stable air, the air parcel is always __________ and _________ than
surrounding air so it tends to resist moving upward
Fig. 4-27
Absolutely unstable air is always _____________ than the surrounding air.
Fig. 4-29
Tall, cauliflower shaped clouds indicate ________________ conditions in the
atmosphere.