Download Wind Pressure and Severe Storms Review

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Name: ____________________________________________
1)
Clouds form primarily because moist air
A) sinks, compresses, and cools
B) rises, expands, and cools
C) sinks, compresses, and warms
D) rises, expands, and warms
2)
In which direction do the surface winds blow around a high-pressure system in the Northern Hemisphere?
A) counterclockwise and inward
C) clockwise and outward
B) counterclockwise and outward
D) clockwise and inward
3)
The surface winds in a typical Northern Hemisphere high-pressure system are generally moving
A) clockwise toward the high-pressure center
B) counterclockwise toward the high-pressure center
C) counterclockwise away from the high-pressure center
D) clockwise away from the high-pressure center
4)
On which weather map below 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?
5)
A)
C)
B)
D)
Most of the Gulf Stream Ocean Current is
A) cool water that flows northeastward
B) cool water that flows southwestward
C) warm water that flows southwestward
D) warm water that flows northeastward
6)
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The cross section below shows the general movement of air within a portion of Earth's atmosphere located
between 30DN and 30DS latitude. Numbers 1 and 2 represent different locations in the atmosphere.
Based on the cross section shown, which of the following maps best shows the surface movement of winds
between 30DN and 30DS latitude?
A)
C)
B)
D)
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Questions 7 through 9 refer to the following:
The map below shows weather conditions in New York State and the surrounding region during a December
snowstorm. Letter L represents the center of the low-pressure system that produced the snowstorm. Isobars show
air pressure, in millibars.
7)
Most residents knew the storm shown on the weather map was coming. State one action a New York State
resident should have taken to prepare for a snow emergency.
8)
Describe the general surface wind pattern around the low-pressure center shown on weather map.
9)
Toward which compass direction would the low-pressure center shown on the weather map most likely
have moved if this system followed a normal storm track?
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10)
The data table below shows the altitude of the top of a thunderstorm cloud and the probability of hail being
formed for a location in New York State. The map shows the average number of days per year hail strikes
the ground in different regions of the United States.
State one way that humans could protect themselves from harm if a severe hail warning is issued for their
locality.
Questions 11 and 12 refer to the following:
On the weather map below, points A, B, C, and D are locations on Earth's surface.
11)
12)
The isolines on the map represent values of air
A) pressure
B) density
C) humidity
D) temperature
The strongest winds are closest to location
A) A
B) B
C) C
D) D
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Questions 13 and 14 refer to the following:
The map below shows sea-level air pressure, in millibars, for a portion of the eastern coast of North America.
Points A, B, C, and D are sea-level locations on Earth's surface.
13)
Which of the following weather instruments was used to measure the air pressures recorded on the map?
A) wind vane
C) barometer
B) sling psychrometer
D) thermometer
14)
The air pressure recorded at point D on the map was most likely
A) 1,012 mb
B) 1,014 mb
C) 1,006 mb
15)
16)
D) 1,010 mb
Adjacent land and ocean surfaces have the same temperature at sunrise on a clear, calm, summer day. Then
the land and water are heated by the Sun for several hours. Which cross section shows the most likely
direction of surface winds that will develop at this ocean shore?
A)
C)
B)
D)
Which atmospheric conditions would cause smoke from a campfire on a beach to blow toward the ocean?
A) high air pressure over the land and low air pressure over the ocean
B) low-density air over the land and high-density air over the ocean
C) humid air over the land and dry air over the ocean
D) warm air over the land and cool air over the ocean
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17)
In which direction do surface winds around low-pressure centers in the Northern Hemisphere generally
move?
A) counterclockwise, away from the center of the low
B) counterclockwise, toward the center of the low
C) clockwise, away from the center of the low
D) clockwise, toward the center of the low
18)
On a certain day, the isobars on a weather map are very close together over eastern New York State. To
make the people of this area aware of possible risk to life and property in this situation, the National
Weather Service should issue
A) a high-wind advisory
C) a dense-fog warning
B) an air-pollution advisory
D) a heat-index warning
19)
The air-pressure field map below represents a high-pressure system over the central United States. Isobars
show the air pressure, in millibars. Letters A through E represent locations on Earth's surface.
Between which two locations is the wind speed greatest?
A) A and B
B) B and C
C) D and E
20)
A map view of surface air movement in a low-pressure system is shown below.
The air near the center of this low-pressure system usually will
A) rise and form clouds
B) reverse direction
C) squeeze together to form a high-pressure system
D) evaporate into a liquid
D) C and D
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21)
22)
Which map view best represents the pattern of isobar values, in millibars, and the pattern of wind flow,
shown by arrows, at Earth's surface surrounding a Northern Hemisphere low-pressure center?
A)
C)
B)
D)
In which map does the arrow show the general direction that most low-pressure storm systems move across
New York State?
A)
C)
B)
D)
Questions 23 and 24 refer to the following:
The satellite image below shows a Northern Hemisphere hurricane.
23)
When the eye of the hurricane shown reaches 43D N latitude, the hurricane will most likely be pushed by
planetary winds toward the
A) southeast
B) northeast
C) northwest
D) southwest
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24)
What is the usual surface wind pattern around the eye of a Northern Hemisphere hurricane, as shown in the
satellite image?
A) clockwise and inward
C) clockwise and outward
B) counterclockwise and inward
D) counterclockwise and outward
25)
Most of Earth's surface ocean current patterns are primarily caused by
A) prevailing winds
C) the impact of precipitation
B) the force of gravity
D) river currents
26)
Which ocean current flows northeast along the eastern coast of North America?
A) Labrador
C) North Equatorial
B) California
D) Gulf Stream
27)
Which two ocean currents are both warm currents that primarily flow away from the equator?
A) Guinea Current and Labrador Current
C) Brazil Current and Agulhas Current
B) Alaska Current and Falkland Current
D) Canaries Current and Gulf Stream Current
28)
The diagram below represents the planetary wind and moisture belts in Earth's Northern Hemisphere.
The climate at 90D north latitude is dry because the air at that location is usually
A) cool and sinking
C) warm and rising
B) cool and rising
D) warm and sinking
29)
An Earth science class is preparing a booklet on emergency preparedness. State one safety measure that
should be taken to minimize danger from each of the following threats:
(1) thunderstorm
(2) tornado
(3) volcanic eruption
30)
Name the weather instrument used to measure the air pressure at the center of a low pressure system.
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31)
The cross section below represents a house at an ocean shoreline at night. Smoke from the chimney is
blowing out to sea.
(a) Label the two lines provided on the cross section above to show where air pressure is relatively "high"
and where it is relatively "low."
(b) Assume that the wind blowing out to sea on this night is caused by local air-temperature conditions.
Label the two lines provided on the cross section above to show where Earth's surface air temperature
is relatively "warm" and where it is relatively "cool."
32)
The map below represents a satellite image of Hurricane Gilbert in the Gulf of Mexico. Each X represents
the position of the center of the storm on the date indicated.
Describe one threat to human life and property that could have been caused by the arrival of Hurricane
Gilbert along the coastline at the Texas-Mexico border in the given map.