3-20.
Which of the following air masses dominates
the U.S. Pacific coast during summer?
1.
mT
2.
mP
3.
cP
4.
S
3-21.
In summer, east of the Rocky Mountains, mP
air and cP air exhibit the same properties.
1.
True
2.
False
3-22.
When mT air moves north over the Grand
Banks area of Newfoundland in summer,
which of the following types of weather is most
likely to occur?
1.
Fog
2.
Heavy rain
3.
Convective thunderstorms
4.
Mechanical thunderstorms
3-23.
Which of the following air masses is NOT
found over the North American continent
during winter?
1.
cT
2.
S
3.
mT
4.
cPk
3-24.
Which of the following statements concerning
superior air is correct?
1.
It is found in the northwest U.S.
2.
It is an exceptionally moist air mass
3.
It is rarely found at the surface
4.
Each of the above
3-25.
In
winter,
Japan’s
weather
is
primarily
influenced by which of the following air
masses?
1.
cP
2.
mT
3.
mP
4.
cT
3-26.
The summer monsoon of India and Burma is
the result of what air mass?
1.
mT
2.
cP
3.
mP
4.
E
3-27.
In
winter,
Great
Britain
occasionally
experiences the effects of cA and cP air. Where
do these air masses originate?
1.
Iceland
2.
North America
3.
Greenland and Spitsbergen
4.
Siberia, Finland and Lapland
3-28.
Which of the following air masses originates
over the Atlantic Ocean but moves over land
and is classified as a continental air mass?
1.
cP
2.
cT
3.
cA
4.
S
3-29.
Australian weather is dominated by cT air;
however, mT air is more of a factor along one
of its four coasts. Which coast is most affected
by mT air?
1.
East
2.
West
3.
North
4.
South
3-30.
Which of the following air masses is the
coldest on record and where is it found?
1.
cP - North America
2.
cA - Arctic
3.
cA - Antarctica
4.
mP - Weddell Sea
3-31.
In the Southern Hemisphere, which of the
following air masses is the most important in
providing relief from the oppressive summer
heat?
1.
cP
2.
cA
3.
mP
4.
mA
3-32.
What is a front?
1.
A boundary between two air masses
2.
A zone of transition between two adjacent
air masses bounded by a frontal surface
3.
A zone of transition between two air
masses of different densities
4.
A point where two air masses touch
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