METEOROLOGY
AIR MASSES AND FRONTS
LEARNING TARGETS
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We will label North
American air masses.
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I will infer the type of
weather that
particular air
masses can bring.


We will recognize the
differences between
fronts.
I will make a weather
forecast based on
front information.
VOCABULARY (7)
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
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air mass
front
continental arctic air
mass (cA)
continental polar air
mass (cP)
maritime polar air
mass (mP)
maritime tropical air
mass (mT)
continental tropical
air mass (cT)
SOL
Chapter
Section
Pages
12a,b
20
1-2
436-444
Assessment Date
GRAPHICS AND QUESTIONS (7)
1. Draw or insert a diagram of North American air masses like the one
on p. 437.
2. Explain how the different types of air masses originate. (p. 437-438)
3. Give two examples of factors that can modify the characteristic of an
air mass. (p. 436)
4. Explain how continental polar air can bring clear weather to one
region while causing heavy snow in another. (p. 437)
5. Complete the summary table below. (p. 439-441)
Type
of Front
Map
Symbol
Short
Description
Diagram
Cold
Warm
Occluded
Stationary
6. Describe the weather conditions associated with warm and cold
fronts. Why do these conditions differ? (p. 440-441)
7. It is common for low pressure systems from the west, heading east,
to pass north of us. What weather would that bring? (p. 444)