Question 1

When winds blow parallel to the isobars, which is usually the case for winds aloft, they are called _____ winds.

Accepted Answer

A)  isobar 
B)  Coriolis 
C)  pressure gradient 
D)  geostrophic 
A)  isobar 
B)  Coriolis 
C)  pressure gradient 
D)  geostrophic

Question 2

A weather system is moving from west to east. You look at a weather map and see that you are in an area of closely spaced isobars with the center just to your east, but the spacing of the isobars increases to the west of you. What would you forecast for wind conditions?

Accepted Answer

A)  Winds will increase. 
B)  Winds will decrease. 
C)  Winds will stay the same. 
D)  Winds will increase then decrease. 
A)  Winds will increase. 
B)  Winds will decrease. 
C)  Winds will stay the same. 
D)  Winds will increase then decrease.

Question 3

An altimeter is an adaptation of the_____  .

Accepted Answer

A)  barograph 
B)  aneroid barometer 
C)  mercurial barometer 
D)  anemometer 
A)  barograph 
B)  aneroid barometer 
C)  mercurial barometer 
D)  anemometer

Question 4

Examine the words and/or phrases below and determine the relationship among the majority of words/phrases. Choose the option that does not fit the pattern.

Accepted Answer

A)  jet stream 
B)  friction 
C)  Coriolis effect 
D)  pressure gradient force 
A)  jet stream 
B)  friction 
C)  Coriolis effect 
D)  pressure gradient force

Question 5

Tropical cyclones produce the most intense low- pressure systems on earth. To develop and maintain this low pressure, what must happen aloft in this type of storm?

Accepted Answer

A)  The storm must push the tropopause far into the stratosphere to maintain the low pressure. 
B)  Rain must fall to force thunderstorms to collapse to keep the air circulation going. 
C)  A strong divergent flow outflow. aloft must keep up with, or exceed, the inflow near the surface. 
D)  A strong jet stream flow must be present to maintain the inward flow. 
A)  The storm must push the tropopause far into the stratosphere to maintain the low pressure. 
B)  Rain must fall to force thunderstorms to collapse to keep the air circulation going. 
C)  A strong divergent flow outflow. aloft must keep up with, or exceed, the inflow near the surface. 
D)  A strong jet stream flow must be present to maintain the inward flow.

Question 6

An instrument that measures wind speed is called an_____  .

Accepted Answer

A)  sling pyschrometer 
B)  anemometer 
C)  mercurial barometer 
D)  wind vane 
A)  sling pyschrometer 
B)  anemometer 
C)  mercurial barometer 
D)  wind vane

Question 7

The Amargosa Valley in eastern California desert often experiences a cold evening wind that blows downvalley. Which of the following might explain this phenomenon?

Accepted Answer

A)  Moist Pacific air rising over the Sierra Nevada Mountains produces mountain precipitation, and as this air spills off the eastern escarpment, it forms the valley wind. 
B)  Night time cooling upvalley produces a cold, unstable air mass that is funneled down the valley to produce a valley wind. 
C)  It is a nighttime land breeze and there should be an accompanying daytime seabreeze up valley. 
D)  Daytime heating causes a local low pressure that causes air to rush in by evening. 
A)  Moist Pacific air rising over the Sierra Nevada Mountains produces mountain precipitation, and as this air spills off the eastern escarpment, it forms the valley wind. 
B)  Night time cooling upvalley produces a cold, unstable air mass that is funneled down the valley to produce a valley wind. 
C)  It is a nighttime land breeze and there should be an accompanying daytime seabreeze up valley. 
D)  Daytime heating causes a local low pressure that causes air to rush in by evening.

Question 8

Standard sea level air pressure is_____  inches of mercury.

Accepted Answer

A)  28.38 
B)  29.01 
C)  29.92 
D)  29.15 
A)  28.38 
B)  29.01 
C)  29.92 
D)  29.15

Question 9

In the Southern Hemisphere, the winds associated with a low pressure system blow _____ .

Accepted Answer

A)  counterclockwise and outward from the center 
B)  clockwise and toward the center 
C)  counterclockwise and toward the center 
D)  clockwise and outward from the center 
A)  counterclockwise and outward from the center 
B)  clockwise and toward the center 
C)  counterclockwise and toward the center 
D)  clockwise and outward from the center

Question 10

A surface low pressure system will not strengthen unless there is _____ pressure aloft.

Accepted Answer

A)  low 
B)  high 
C)  no 
D)  medium 
A)  low 
B)  high 
C)  no 
D)  medium

Question 11

Examine the words and/or phrases below and determine the relationship among the majority of words/phrases. Choose the option that does not fit the pattern.

Accepted Answer

A)  trade winds 
B)  polar easterlies 
C)  westerlies 
D)  Chinook 
A)  trade winds 
B)  polar easterlies 
C)  westerlies 
D)  Chinook

Question 12

A_____  breeze originates over land because the pressure on land is at night over land than over the water.

Accepted Answer

A)  land; lower 
B)  sea; lower 
C)  land; higher 
D)  sea; higher 
A)  land; lower 
B)  sea; lower 
C)  land; higher 
D)  sea; higher

Question 13

Warm winds that move down the leeward side of mountains are known as _ _.

Accepted Answer

A)  chinook 
B)  land breeze 
C)  valley 
D)  oscillation 
A)  chinook 
B)  land breeze 
C)  valley 
D)  oscillation

Question 14

Closely spaced isobars indicate _____ wind speeds.

Accepted Answer

A)  no 
B)  medium 
C)  high 
D)  low 
A)  no 
B)  medium 
C)  high 
D)  low

Question 15

Consider the below image:   What would you expect to happen in terms of air flows wind.?

Accepted Answer

A)  They will flow towards the L horizontally. 
B)  They will spin downward and dissipate. 
C)  They will flow vertically upward from the L. 
D)  They will flow away from the L horizontally. 
A)  They will flow towards the L horizontally. 
B)  They will spin downward and dissipate. 
C)  They will flow vertically upward from the L. 
D)  They will flow away from the L horizontally.

Question 16

Tropical cyclones aka hurricanes in the Atlantic. are intense low- pressure systems characterized by heavy rain and high winds. When a tropical cyclone passes an area, however, there are generally several days of clear, dry weather. Why might this occur?

Accepted Answer

A)  The cyclone has sucked up all the moist air around it, leaving dry air behind. 
B)  The spiral arms of the hurricane are storm fronts, and each carries descending air behind it. 
C)  The hurricane carries a cold front with it, which carries dry air. 
D)  The cyclone must have an outflow aloft, which feeds descending air surrounding the storm. 
A)  The cyclone has sucked up all the moist air around it, leaving dry air behind. 
B)  The spiral arms of the hurricane are storm fronts, and each carries descending air behind it. 
C)  The hurricane carries a cold front with it, which carries dry air. 
D)  The cyclone must have an outflow aloft, which feeds descending air surrounding the storm.

Question 17

A land breeze usually originates during the _____  .

Accepted Answer

A)  evening and flows toward the land 
B)  evening and flows toward the water 
C)  day and flows toward the land 
D)  day and flows toward the water 
A)  evening and flows toward the land 
B)  evening and flows toward the water 
C)  day and flows toward the land 
D)  day and flows toward the water

Question 18

"Perhaps more than any other single measurement, atmospheric pressure is the best indicator of current and changing weather conditions." Briefly discuss why this statement is correct.

Accepted Answer

Pressure change is easy to und

Question 19

The surface wind zones that flow from the subtropics toward the equator are called the _____ winds.

Accepted Answer

A)  trade 
B)  westerly 
C)  anemometer 
D)  subvortex 
A)  trade 
B)  westerly 
C)  anemometer 
D)  subvortex

Question 20

Fast moving currents of air found near the top of the troposphere are called_____  .

Accepted Answer

A)  convergences 
B)  trade winds 
C)  jet streams 
D)  Santa Ana winds 
A)  convergences 
B)  trade winds 
C)  jet streams 
D)  Santa Ana winds

Exam 18: Air Pressure and Wind

When winds blow parallel to the isobars, which is usually the case for winds aloft, they are called _____ winds.

A weather system is moving from west to east. You look at a weather map and see that you are in an area of closely spaced isobars with the center just to your east, but the spacing of the isobars increases to the west of you. What would you forecast for wind conditions?

An altimeter is an adaptation of the_____ .

Examine the words and/or phrases below and determine the relationship among the majority of words/phrases. Choose the option that does not fit the pattern.

Tropical cyclones produce the most intense low- pressure systems on earth. To develop and maintain this low pressure, what must happen aloft in this type of storm?

An instrument that measures wind speed is called an_____ .

The Amargosa Valley in eastern California desert often experiences a cold evening wind that blows downvalley. Which of the following might explain this phenomenon?

Standard sea level air pressure is_____ inches of mercury.

In the Southern Hemisphere, the winds associated with a low pressure system blow _____ .

A surface low pressure system will not strengthen unless there is _____ pressure aloft.

Examine the words and/or phrases below and determine the relationship among the majority of words/phrases. Choose the option that does not fit the pattern.

A_____ breeze originates over land because the pressure on land is at night over land than over the water.

Warm winds that move down the leeward side of mountains are known as _ _.

Closely spaced isobars indicate _____ wind speeds.

Consider the below image: What would you expect to happen in terms of air flows wind.?

Tropical cyclones aka hurricanes in the Atlantic. are intense low- pressure systems characterized by heavy rain and high winds. When a tropical cyclone passes an area, however, there are generally several days of clear, dry weather. Why might this occur?

A land breeze usually originates during the _____ .

"Perhaps more than any other single measurement, atmospheric pressure is the best indicator of current and changing weather conditions." Briefly discuss why this statement is correct.

The surface wind zones that flow from the subtropics toward the equator are called the _____ winds.

Fast moving currents of air found near the top of the troposphere are called_____ .

Introduction to Earth Science

Matter and Minerals

Rocks: Materials of the Solid Earth

Plate Tectonics: a Scientific Revolution Unfolds

Earthquakes and Earths Interior

Volcanoes and Other Igneous Activity

Crustal Deformation and Mountain Building

Weathering, Soil, and Mass Movement

Running Water and Groundwater

Glaciers, Deserts, and Wind

Geologic Time

Earths Evolution Through Geologic Time

The Ocean Floor

Ocean Water and Ocean Life

The Dynamic Ocean

The Atmosphere: Composition, Structure, and Temperature

Moisture, Clouds, and Precipitation

Weather Patterns and Severe Storms

World Climates and Global Climate Change

Origins of Modern Astronomy

Touring Our Solar System

Light, Telescopes, and the Sun

Beyond Our Solar System

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