Download A) B) C) D) 1. Which weather map symbol is associated with

1. Which weather map symbol is associated with
extremely low air pressure?
A)
B)
C)
D)
2. The diagram below represents a weather instrument.
Which weather variable was this instrument designed
to measure?
A)
B)
C)
D)
air pressure
dewpoint
relative humidity
amount of precipitation
Base your answers to questions 3 through 5 on
the weather map below and on your knowledge of Earth Science. The map shows a low-pressure
system with two fronts extending from its center (L). Points A, B, C, and D represents locations on
Earth's surface. Two different air masses are labeled.
3. Which locations are most likely experiencing precipitation?
A) A and B
B) B and C
C) C and D
D) D and B
4. Which cross section best represents the frontal boundary (fb) and general pattern of air movements
between locations C and D?
A)
B)
C)
D)
5. Which atmospheric conditions describe the air mass that is influencing weather conditions at location
C?
A) cool and dry
C) warm and dry
B) cool and moist
D) warm and moist
6. A large rainstorm follows the usual direction of
movement of a weather system across the United
States. Which part of New York State will receive
rain from the storm first?
A) northwestern
C) southwestern
B) northeastern
D) southeastern
7. The weather map below shows a portion of a low-pressure system.
Which front will most likely pass over location A during the next two hours'?
A) warm
B) stationary
C) occluded
D) cold
8. The cross section of the atmosphere below represents the air motion near two frontal boundaries along
reference line XY on Earth's surface.
Which weather map correctly identifies these fronts and indicates the direction that these fronts are
moving?
A)
B)
C)
D)
9. Base your answer to the following question on the graph below, which shows air temperature,
dewpoint, and present weather conditions for a 23-hour period at Dallas, Texas.
The thunderstorm that occurred between 11 p.m. and 12 midnight was most likely the result of
A) the arrival of a warm front
B) the arrival of a cold front
C) an increase in the difference between air temperature and dewpoint
D) an increase in both air temperature and dewpoint
10. Weather along most fronts is usually cloudy with
precipitation because the warm air along most fronts
is usually
A) sinking and cooling, causing water to evaporate
B) sinking and warming, causing water to
evaporate
C) rising and cooling, causing water vapor to
condense
D) rising and warming, causing water vapor to
condense
Base your answers to questions 11 through 14 on the weather map below. The map shows a
low-pressure system and some atmospheric conditions at weather stations A, B, and C.
11. Which cross section best represents the air masses, air movement, clouds, and precipitation occurring
behind and ahead of the warm front located between stations A and B?
A)
C)
B)
D)
12. Which type of weather is usually associated with a cP air mass, as shown near weather station C?
A) moist and cool
C) dry and cool
B) moist and warm
D) dry and warm
13. The arrows on which map best represent the direction of surface winds associated with this
low-pressure system?
A)
B)
C)
D)
14. If this weather system follows a normal storm track, the low-pressure center (L) will generally move
toward the
A) northeast
B) northwest
C) southeast
D) southwest
15. Base your answer to the following question on the
weather map below. Points A, B, C, and D are
locations on Earth's surface.
19. In winter, a cold, dry air mass from Canada moves
across Lake Ontario. The air over the lake is warmer
and more humid than the air over the land. Which
weather condition is most likely to occur as the air
mass reaches Oswego?
A)
B)
C)
D)
Which type of front extends southward from the
center of the low?
A) occluded
B) warm
C) stationary
D) cold
16. An airmass originating over north central Canada
would most likely be
A) warm and dry
B) warm and moist
C) cold and dry
D) cold and moist
17. An air mass originating over the North Pacific
Ocean would most likely be
A) continental polar
B) continental tropical
C) maritime polar
D) maritime tropical
18. 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?
A) cP and cA
C) cP and mT
B) cT and mP
D) mP and mT
lake-effect snowstorm
tornado
warm, sunny weather
hurricane
20. Which map shows normal paths followed by low-pressure storm centers as they pass across the
United States?
A)
B)
C)
D)
21. Dry areas caused by sinking air and diverging
surface winds are located at which two latitudes?
A) 0° and 30° N
B) 0° and 60° S
C) 30° N and 30° S D) 60° N and 60°S
22. In which map does the arrow show the general
direction that most low-pressure storm systems
move across New York State?
A)
B)
C)
D)
Base your answers to questions 23 through 25 on the weather map below and on your knowledge of
Earth science. The weather map shows a typical low-pressure system and associated weather fronts
labeled A and B. The L indicates the center of the low-pressure system. A few New York State cities
are shown. Symbols cP and mT represent different air masses. The wind direction at Utica and
Rochester is shown on the station models.
23. Which map shows the regions that are most likely experiencing the precipitation associated with this
weather system?
A)
B)
C)
D)
24. Which front symbols are drawn correctly, based on the air masses shown?
A)
B)
C)
D)
25. If this weather system is following a normal storm track, the center of this low is most likely moving
toward which city?
A) Buffalo
B) Ithaca
C) Utica
D) Plattsburgh
Base your answers to questions 26 through 28 on the weather map below, which shows a
high-pressure center (H) and a low-pressure center (L), with two fronts extending from the
low-pressure center. Points X and Y are locations on the map connected by a reference line.
26. Which type of front is located between Buffalo and Detroit?
A) stationary
B) warm
C) occluded
D) cold
27. Which cross section best represents the fronts and air movements in the lower atmosphere along line
XY?
A)
B)
C)
D)
28. Which map best shows the most probable areas of precipitation associated with these weather
systems?
A)
B)
C)
D)
29. In the cartoon below, the large arrows represent
surface winds.
What feature is found at the location to which the
meteorologist is pointing?
A)
B)
C)
D)
an anticyclone
an area of divergence
a low-pressure center
a high-pressure center
30. A cross section of a weather front is shown below.
Which symbol would be used to represent this front on a weather map?
A)
B)
C)
31. Which weather map symbol represents air masses
that normally form just south of the United States
over the Caribbean Sea?
A) cP
B) cT
C) mP
D) mT
D)
32. On which weather map do the front symbols best represent the direction of movement of the cold
front and warm front associated with the low-pressure system shown on the map?
A)
B)
C)
D)
33. An air mass classified as mP usually forms over
which type of Earth surface?
A) warm land
C) cool land
B) warm ocean
D) cool ocean
34. The map below shows a low-pressure system located
over an area in the south-central United States.
Base your answers to questions 37 through 39 on the
weather map of North America below. The map
shows the location of a front and the air mass
influencing its movement.
In the next few days, because of the prevailing
winds, the air mass will probably move toward the
A) southeast
B) northeast
C) southwest
D) northwest
35. The weather map below shows a frontal system that
has followed a typical storm track.
37. The cP air mass is identified on the basis of its
temperature and
A) wind direction
B) cloud cover
C) moisture content D) windspeed
38. Which type of front and frontal movement is shown
on the weather map?
The air mass located over point X most likely
originated over the
A) northern Atlantic Ocean
B) central part of Canada
C) Gulf of Mexico
D) Pacific Northwest
36. The properties of an airmass depend mainly on the
A) wind speed within the airmass
B) characteristics of the surface over which the
airmass was formed
C) size of the airmass
D) rotation of the Earth
A) cold front moving northwestward
B) cold front moving southeastward
C) warm front moving northwestward
D) warm front moving southeastward
39. Which region is the probable source of the air mass
labeled cP on the map?
A)
B)
C)
D)
central Canada
southwestern United States
North Atlantic Ocean
Gulf of Mexico
40. Base your answer to the following question on the map below, which shows the position of the jet
stream relative to two air masses and a low-pressure center (L) over the United States.
What is the difference in the air temperature and humidity between the cP and mT air masses?
A) The cP air mass is warmer and less humid.
B) The cP air mass is colder and more humid.
C) The mT air mass is warmer and more humid.
D) The mT air mass is colder and less humid.
41. Which area is the most common source region for
cold, dry air masses that move over New York
State?
A)
B)
C)
D)
42. The weather map below shows two air pressure
systems covering a large geographic area. Points A
through D identify four locations on the map.
North Atlantic Ocean
Gulf of Mexico
central Canada
central Mexico
At which location is precipitation most likely
occurring?
A) A
B) B
C) C
D) D
43. The map below shows the average number of
thunderstorms each year in the continental United
States.
The average number of thunderstorms that occur
each year in Albany, New York is approximately
A) 15
B) 25
C) 35
D) 45
44. The map of North America below shows the source
region of an air mass forming mostly over Mexico.
This air mass originating over Mexico is classified
as
A)
B)
C)
D)
continental polar
continental tropical
maritime polar
maritime tropical
Base your answers to questions 45 through 49 on the weather map and barogram below. The weather
map shows a hurricane that was located over southern Florida. The isobars show air pressure in inches
of mercury. Letter A represents a point near the west coast of Florida. The barogram shows the
recorded air pressure in inches of mercury as the hurricane passed near Miami, Florida.
45. Which type of air mass would most likely be the source of the moisture that causes the strong winds
and heavy rain associated with this hurricane ?
A) cP
B) cT
C) mP
D) mT
46. What is the latitude and longitude at the center of the hurricane?
A) 26° N 81° W
B) 26° N 89° W
C) 34° N 81° W
D) 34° N 89° W
47. Which map shows the most likely track of this hurricane?
A)
B)
C)
D)
48. Which station model best represents the weather conditions at point A?
A)
B)
C)
D)
49. What was the lowest air pressure recorded on the barogram as the hurricane passed near Miami?
A) 27.30 in
B) 27.60 in
C) 27.75 in
50. Which symbol would be used to identify an airmass
originating in central Canada?
A) mT B) mP C) cT
D) cP
51. The winds shift from southwest to northwest as
heavy rains and hail begin to fall in Albany, New
York. These changes are most likely caused by the
arrival of
A) an mT air mass
B) a cT air mass
C) a cold front
D) a warm front
52. Compared to a maritime tropical air mass, a
continental polar air mass is
A)
B)
C)
D)
cooler and contains less moisture
cooler and contains more moisture
warmer and contains less moisture
warmer and contains more moisture
D) 28.60 in
Base your answers to questions 53 through 55 on
the weather map below and on your knowledge of Earth science. The map of a portion of eastern
North America shows a high-pressure center (H) and a low-pressure center (L), frontal boundaries,
and present weather conditions.
53. The general surface wind circulation associated with the high-pressure center (H) is most likely
A) clockwise and outward
B) clockwise and inward
C) counterclockwise and outward
D) counterclockwise and inward
54. What was the most likely source region for the air mass over Pennsylvania?
A) New York State
B) Pacific Ocean
C) Gulf of Mexico
D) Canada
55. Which weather condition is shown along the cold front?
A) fog
B) snow
C) haze
D) thunderstorms
56. Which map best shows the general surface wind
pattern in a low-pressure system located over the
eastern United States?
57. A map view of surface air movement in a
low-pressure system is shown below.
A)
B)
The air near the center of this low-pressure system
usually will
A)
B)
C)
D)
C)
D)
evaporate into a liquid
reverse direction
rise and form clouds
squeeze together to form a high-pressure
system
58. The weather map below shows a portion of the United States. Line AB represents a frontal boundary
between two air masses. The two large arrows indicate the direction that a cP air mass is moving.
Which symbol correctly represents the frontal boundary at line AB?
A)
B)
C)
D)
59. Which statement best explains why precipitation
occurs at frontal boundaries?
A) Cold fronts move slower than warm fronts.
B) Cold fronts move faster than warm fronts.
C) Warm, moist air sinks when it meets cold, dry
air.
D) Warm, moist air rises when it meets cold, dry
air.
60. Which map shows the two correctly labeled air masses that frequently converge in the central plains
to cause tornadoes?
A)
B)
C)
D)
61. Air masses are identified on the basis of temperature
and
A) type of precipitation
B) wind velocity
C) moisture content
D) atmospheric transparency
62. Compared to a maritime tropical air mass, a
maritime polar air mass has a
A) higher temperature and more water vapor
B) higher temperature and less water vapor
C) lower temperature and more water vapor
D) lower temperature and less water vapor
63. The properties of an air mass are mostly determined
by the
A)
B)
C)
D)
rate of Earth’s rotation
direction of Earth’s surface winds
source region where the air mass formed
path the air mass follows along a land surface
64. The map below shows surface air temperatures, in degrees Fahrenheit, reported by weather stations in
the north-central United States. Letter X represents an air mass moving in the direction shown by the
arrow. A line marks a frontal boundary advancing in a southeasterly direction.
Which weather-map symbols best represent air-mass X and the frontal boundary shown on the map?
A)
B)
C)
D)
65. In the Northern Hemisphere, surface winds around
the center of a hurricane move
A)
B)
C)
D)
clockwise and inward
clockwise and outward
counterclockwise and inward
counterclockwise and outward
Base your answers to questions 66 through 69 on the weather map below, which shows a weather
system that is affecting part of the United States.
66. Which diagram shows the surface air movements most likely associated with the fronts?
A)
B)
C)
D)
67. Which map best shows the areas in which precipitation is most likely occurring? [Darkened areas
represent precipitation.]
A)
B)
C)
D)
68. What is the total number of different kinds of weather fronts shown on this weather map?
A) 1
B) 2
C) 3
D) 4
69. Compared to the air over most of the map region, the air mass centered over Alabama is
A) warmer and more humid
C) colder and more humid
B) warmer and drier
D) colder and drier
70. The map below represents a section of a weather
map for locations in the eastern United States. The
map shows a low-pressure system, fronts, and
weather stations A, B, C, and D.
76. An air mass classified as cT usually forms over
which type of Earth surface?
A) cool water
B) cool land
C) warm water
D) warm land
77. If a low-pressure system follows a typical storm
track across New York State, it will move toward the
A) southeast
B) southwest
C) northeast
D) northwest
78. An mP air mass is located over the northwestern part
of the United States. The source region of this air
mass is most likely
At which weather station are weather conditions
probably most unstable?
A) central Mexico
B) the Gulf of Mexico
C) northern Canada
D) the North Pacific Ocean
79. Which type of air mass is associated with warm, dry
atmospheric conditions?
A) A
B) B
C) C
D) D
71. What is the dewpoint when the dry-bulb temperature
is 8°C and the wet-bulb temperature is 2°C?
A) cP
B) cT
C) mP D) mT
80. Which type of air mass would most likely have low
humidity and high air temperature?
A) 28°C B) 6°C C) 3°C D) –9°C
72. Why do clouds usually form at the leading edge of a
cold airmass?
A) Cold air flows over warm air, causing the warm
air to descend and cool.
B) Cold air flows under warm air, causing the
warm air to rise and cool.
C) Cold air contains more dust than warm air does.
D) Cold air contains more water vapor than warm
air does.
73. Jet stream winds over the United States generally
move from
A) east to west
B) west to east
C) north to south
D) south to north
74. Which geographic area is a common source region
for cP air masses that move into New Jersey?
A) southwestern United States
B) central Canada
C) the north Pacific Ocean
D) the Gulf of Mexico
75. An air mass entering Alaska from the northern
Pacific Ocean would most likely be labeled on a
weather map as
A) cP
B) cT
C) mP
D) mT
A) cT
B) cP
C) mT
D) mP
81. The map below shows a position of the polar jet stream over North America in January.
Which map best shows the air-mass movements associated with this jet stream position?
A)
B)
C)
D)
82. The photograph below shows a spiral pattern of
clouds in the Earth's atmosphere. The spiral is
hundreds of miles across.
Which type of weather does this photograph show?
A) a cyclone
B) a cold front
C) a stationary front
D) a high-pressure center
83. An air mass classified as mT usually forms over
which type of Earth surface?
A) cool land
B) cool water
C) warm land
D) warm water
84. Most of the air in the lower troposphere at the
equatorial low-pressure belt is
A)
B)
C)
D)
warm, moist, and rising
warm, dry, and rising
cool, moist, and sinking
cool, dry, and sinking
85. Base your answer to the following question on the weather map below, which shows a low-pressure
system over the central United States. Isobars are labeled in millibars. Points A, B, C, and D represent
locations on Earth's surface.
Which map shows the most likely path this low-pressure center will follow during the next 12 hours?
A)
B)
C)
D)
86. The cross section below shows a weather front. The
large arrow shows the direction of the movement of
the cool air mass.
89. The map below shows the boundary between two air
masses. The arrows show the direction in which the
boundary is moving.
Which weather map uses the correct weather front
symbol to illustrate this information?
A)
B)
C)
D)
Which type of weather front is shown?
A) warm front
B) cold front
C) occluded front
D) stationery front
87. The weather characteristics of air mass result
primarily from its
A) geographic origin
B) size and shape
C) rate of movement
D) direction of movement
88. The diagram below represents a cross section of air
masses and frontal surfaces along line AB. The
dashed lines represent precipitation.
Which weather map best represents this frontal
system?
A)
B)
C)
D)
90. 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?
A) cP is from the North Atlantic Ocean and mT is
from the deserts of the southwestern United
States.
B) cP is from northern Canada and mT is from the
deserts of the southwestern United States.
C) cP is from northern Canada and mT is from the
Gulf of Mexico.
D) cP is from the North Atlantic Ocean and mT is
from the Gulf of Mexico.
91. 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.
94. An airmass originates with its center located at 25°
N and 90° W.
Based on the map, this air mass would be classified
as
A) cP
B) mP C) cT
D) mT
95. Which type of air mass most likely has high
humidity and high temperature?
A) cP
B) cT
C) mT D) mP
96. Which air mass is associated with low relative
humidity and high air temperature?
Which list best identifies each air-mass source
region?
A) A — cT, B — cP, C — mP, D — mT
B) A — cP, B — mP, C — mT, D — cT
C) A — mP, B — mT, C — cT, D — cP
D) A — mT, B — cT, C — cP, D — mP
92. The diagram below represents a cross-sectional view
of airmasses associated with a low-pressure system.
The cold frontal interface is moving faster than the
warm frontal interface. What usually happens to the
warm air that is between the two frontal surfaces?
A) The warm air is forced over both frontal
interfaces.
B) The warm air is forced under both frontal
interfaces.
C) The warm air is forced over the cold frontal
interface but under the warm frontal interface.
D) The warm air is forced under the cold frontal
interface but over the warm frontal interface.
93. On a weather map, an airmass that is very warm and
dry would be labeled
A) mP
B) mT
C) cP
D) cT
A) maritime polar
B) maritime tropical
C) continental polar
D) continental tropical
97. Locations A and B on the map of North America
below are source regions for air masses.
Compared to the air mass formed at location B, the
air mass formed at location A will normally be
A) cooler and drier
B) cooler and wetter
C) warmer and drier D) warmer and wetter
98. In which geographic region are air masses most
often warm with a high moisture content?
A)
B)
C)
D)
Central Canada
Central Mexico
Gulf of Mexico
North Pacific Ocean
99. Which weather instrument is used to determine wind direction?
A)
B)
C)
D)
100. The diagram below shows a cross section of a
cumulus cloud. Line AB indicates the base of the
cloud.
101. 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?
A) continental tropical
B) continental polar
C) maritime tropical
D) maritime polar
102. Which abbreviation indicates a warm air mass that
contains large amounts of water vapor?
Which graph best represents the temperature
measured along line AB?
A)
B)
C)
D)
A) cP
B) cT
C) mT D) mP
103. The map below represents a section of a surface
weather map showing weather stations A through D
.
At which weather station are the most unstable
weather conditions occurring?
A) A
B) B
C) C
D) D
104. Cities A, B, C, and D on the weather map below
are being affected by a low-pressure system
(cyclone).
106. The diagram below represents a cross section of air
masses and frontal surfaces along line AB. The
dashed lines represent precipitation.
Which weather map best represents this frontal
system?
A)
Which city would have the most unstable
atmospheric conditions and the greatest chance of
precipitation?
A) A
B) B
C) C
D) D
105. Base your answer to the following question on the
map below which represents a section of a surface
weather map. Letters A through F represent weather
stations.
B)
C)
D)
107. 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
A) mP
The warm front is moving toward the
A) northeast
C) southeast
B) northwest
D) southwest
B) mT
C) cP
D) cT
108. Base your answer to the following question on the weather map below, which shows the location of
fronts and the temperature field on a given day in the United States.
The passage of a cold front most recently influenced the weather of which two cities?
A) Chicago and Boise
B) Las Vegas and Salt Lake City
C) Kansas City and Minneapolis
D) Detroit and Cincinnati
109. A weather station model for a location in New
111. Which geographic region is the most common
York State is shown below.
source region for the mT air masses that move into
New York State?
The air mass over this location is best described as
A) cold with low humidity and high air pressure
B) cold with high humidity and low air pressure
C) warm with high humidity and low air pressure
D) warm with low humidity and high air pressure
110. Which type of air mass usually contains the most
moisture?
A) mT
B) mP
C) cT
D) cP
A) northern Canada
B) Gulf of Mexico
C) Arctic Ocean
D) southwestern United States
112. As a cold front passes a New York weather station,
which changes will usually be observed in
barometric pressure and air temperature?
A)
B)
C)
D)
Pressure rises and temperature falls.
Both pressure and temperature rise.
Both pressure and temperature fall.
Pressure falls and temperature rises.
113. The satellite photograph below shows a Northern
Hemisphere cloud pattern.
114. Base your answer to the following question on the
image below.
Locations A and B on the map of North America
below are source regions for air masses.
The center of this cloud pattern is most likely the
center of a
A)
B)
C)
D)
cold, dry air mass
warm, dry air mass
low-pressure system
high-pressure system
Compared to the air mass formed at location B, the
air mass formed at location A will normally be
A)
B)
C)
D)
cooler and drier
cooler and wetter
warmer and drier
warmer and wetter