Download NAME Air Masses Quiz Version 1 Page 1 Barnard

NAME _________________________________
1. Which type of air mass would most likely have
low humidity and high air temperature?
1) cT
2) mT
3) mP
4) cP
2. An air mass classified as cT usually forms over
which type of Earth surface?
1) warm land
3) warm water
2) cool land
4) cool water
3. In Connecticut, dry, cool air masses (cP) often
interact with moist, warm air masses (mT).
Which statement correctly matches each air
mass with its usual geographic source region?
1) cP is from northern Canada and mT is
from the deserts of the southwestern
United States.
2) cP is from the North Atlantic Ocean and
mT is from the Gulf of Mexico.
3) cP is from the North Atlantic Ocean and
mT is from the deserts of the southwestern
United States.
4) cP is from northern Canada and mT is
from the Gulf of Mexico.
4. An air mass classified as mP usually forms over
which type of Earth surface?
1) warm land
3) cool ocean
2) warm ocean
4) cool land
wind velocity
moisture content
atmospheric transparency
type of precipitation
8. Tornadoes occur when a very cold, dry air mass
meets a very warm, wet air mass. Which two
air masses would most likely form a tornado
when they meet?
1) cT and mP
3) cP and mT
2) mP and mT
4) cP and cA
9. In which geographic region are air masses most
often warm with a high moisture content?
1)
2)
3)
4)
Gulf of Mexico
North Pacific Ocean
Central Mexico
Central Canada
10. The weather characteristics of air mass result
primarily from its
1)
2)
3)
4)
direction of movement
rate of movement
geographic origin
size and shape
2) mP
3) cT
4) mT
12. An airmass originating over north central
Canada would most likely be
1) cold and moist
3) warm and dry
6. An air mass classified as mT usually forms over
which type of Earth surface?
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1)
2)
3)
4)
1) cP
the north Pacific Ocean
central Canada
southwestern United States
the Gulf of Mexico
1) cool water
3) warm land
7. Air masses are identified on the basis of
temperature and
11. Which type of air mass is associated with
warm, dry atmospheric conditions?
5. Which geographic area is a common source
region for cP air masses that move into New
Jersey?
1)
2)
3)
4)
Air Masses Quiz
2) warm water
4) cool land
13. Which abbreviation indicates a warm air mass
that contains large amounts of water vapor?
1) mT 2) mP
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2) cold and dry
4) warm and moist
3) cP
4) cT
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14. The properties of an airmass depend mainly on
the
20. A weather station model for a location in New
York State is shown below.
1) wind speed within the airmass
2) rotation of the Earth
3) characteristics of the surface over which
the airmass was formed
4) size of the airmass
15. An Earth science student observed the
following weather conditions in Albany, New
York, for 2 days: The first day was warm and
humid with southerly winds. The second day,
the temperature was 15 degrees cooler, the
relative humidity had decreased, and wind
direction was northwest. Which type of air
mass most likely had moved into the area on
the second day?
1)
2)
3)
4)
maritime tropical
continental tropical
continental polar
maritime polar
16. An air mass that originates over the northern
Pacific Ocean and moves southward over the
United States would most likely be labeled on
a weather map as
1) mT 2) cP
3) mP
4) cT
17. Which air mass is associated with low relative
humidity and high air temperature?
1)
2)
3)
4)
maritime polar
continental polar
continental tropical
maritime tropical
3) cT
4) mP
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2) mT 3) cT
warm with high humidity and low air pressure
warm with low humidity and high air pressure
cold with low humidity and high air pressure
cold with high humidity and low air pressure
21. The properties of an air mass are mostly
determined by the
1) source region where the air mass formed
2) path the air mass follows along a land
surface
3) direction of Earth’s surface winds
4) rate of Earth’s rotation
22. Which geographic region is the most common
source region for the mT air masses that move
into New York State?
1)
2)
3)
4)
Arctic Ocean
Gulf of Mexico
northern Canada
southwestern United States
1)
2)
3)
4)
lower temperature and more water vapor
higher temperature and more water vapor
lower temperature and less water vapor
higher temperature and less water vapor
24. Which symbol would be used to identify an
airmass originating in central Canada?
19. Which weather map symbol represents air
masses that normally form just south of the
United States over the Caribbean Sea?
1) mP
1)
2)
3)
4)
23. Compared to a maritime tropical air mass, a
maritime polar air mass has a
18. Which type of air mass usually contains the
most moisture?
1) mT 2) cP
The air mass over this location is best described as
1) cP
2) mP
3) mT 4) cT
4) cP
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25. Which map shows the two correctly labeled air masses that frequently converge in the central
plains to cause tornadoes?
1)
2)
3)
4)
26. Compared to a maritime tropical air mass, a
continental polar air mass is
1)
2)
3)
4)
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cooler and contains less moisture
warmer and contains less moisture
cooler and contains more moisture
warmer and contains more moisture
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27. The graph below shows changes in the atmosphere occurring above typical air-mass source
regions A, B, C, and D. Changes in air temperature and altitude are shown as the graphed lines.
Changes in water-vapor content, in grams of vapor per kilogram of air, are shown as numbers
on each graphed line.
Which list best identifies each air-mass source region?
1) A — cT, B — cP, C — mP, D — mT
3) A — mT, B — cT, C — cP, D — mP
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2) A — cP, B — mP, C — mT, D — cT
4) A — mP, B — mT, C — cT, D — cP
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