The Atmosphere: An Introduction to Meteorology - Chapter 6

6.1 Which of the following instruments is used to measure atmospheric pressure? Anemometer Barometer Thermograph Tachometer Hygrometer 6.1 Which of the following instruments is used to measure atmospheric pressure? Anemometer Barometer Thermograph Tachometer Hygrometer 6.2 With an increase in altitude, air pressure: Increases at a constant rate Increases at a decreasing rate Decreases at a constant rate Decreases at a decreasing rate Decreases at an increasing rate Increases at a constant rate Increases at a decreasing rate Decreases at a constant rate Decreases at a decreasing rate Decreases at an increasing rate 6.2 With an increase in altitude, air pressure: 6.3 On an upper-level weather chart, a ridge indicates: The direction major weather systems are moving An elongated high pressure area An elongated low pressure area A region of cold, wet weather A constant 18,000 foot elevation The direction major weather systems are moving An elongated high pressure area An elongated low pressure area A region of cold, wet weather A constant 18,000 foot elevation 6.3 On an upper-level weather chart, a ridge indicates: 6.4 The addition of water vapor into a volume of air will cause the density of air to: Decrease Increase Stay the same Vary widely in a horizontal direction 6.4 The addition of water vapor into a volume of air will cause the density of air to: Decrease Increase Stay the same Vary widely in a horizontal direction 6.5 Lines of equal pressure are called: Isotherms Isohyets Isotachs Isodrosotherms Isobars 6.5 Lines of equal pressure are called: Isotherms Isohyets Isotachs Isodrosotherms Isobars 6.6 Winds are generated by the: Coriolis force Pressure gradient force Friction force Centrifugal force Centripetal force Coriolis force Pressure gradient force Friction force Centrifugal force Centripetal force 6.6 Winds are generated by the: 6.7 On a weather map of air pressure, what can you infer from a closer spacing of isobars? Nothing can be inferred. A steep pressure gradient and light winds A steep pressure gradient and strong winds A weak pressure gradient and light winds A weak pressure gradient and strong winds 6.7 On a weather map of air pressure, what can you infer from a closer spacing of isobars? Nothing can be inferred. A steep pressure gradient and light winds A steep pressure gradient and strong winds A weak pressure gradient and light winds A weak pressure gradient and strong winds 6.8 Atmospheric circulations are fundamentally caused by: The heating of the ozone layer The passage of frontal storm systems Ocean currents Earth’s gravity Unequal heating of Earth’s surface 6.8 Atmospheric circulations are fundamentally caused by: The heating of the ozone layer The passage of frontal storm systems Ocean currents Earth’s gravity Unequal heating of Earth’s surface 6.9 In either the Northern or Southern Hemisphere, a cyclonic flow means: Any clockwise wind flow Any counterclockwise wind flow Circulation around a low pressure center Circulation around a high pressure center Any strong wind 6.9 In either the Northern or Southern Hemisphere, a cyclonic flow means: Any clockwise wind flow Any counterclockwise wind flow Circulation around a low pressure center Circulation around a high pressure center Any strong wind Magnetic field Atmosphere Rotation Dense core 6.10 The Coriolis force occurs because of Earth’s: 6.10 The Coriolis force occurs because of Earth’s: Magnetic field Atmosphere Rotation Dense core 6.11 In the Northern Hemisphere, the Coriolis force deflects moving air: To the right To the left Always toward the north Always toward the south It does not deflect moving air. 6.11 In the Northern Hemisphere, the Coriolis force deflects moving air: To the right To the left Always toward the north Always toward the south It does not deflect moving air. 6.12 The Coriolis force is _______ in the upper troposphere because _______. Enhanced; the pressure gradient is weaker Enhanced; there is less friction Enhanced; there is more friction Decreased; air moves to high latitudes Decreased; there is more friction 6.12 The Coriolis force is _______ in the upper troposphere because _______. Enhanced; the pressure gradient is weaker Enhanced; there is less friction Enhanced; there is more friction Decreased; air moves to high latitudes Decreased; there is more friction 6.13 A geostrophic wind: Flows perpendicular to the pressure gradient force Is usually not affected by the Coriolis force Is strongly influenced by friction Follows the pressure gradient force Flows in the geosphere Flows perpendicular to the pressure gradient force Is usually not affected by the Coriolis force Is strongly influenced by friction Follows the pressure gradient force Flows in the geosphere 6.13 A geostrophic wind: In the Northern Hemisphere, low pressure will be on your left if you stand with your back to the wind Winds higher than a few kilometers are called geostrophic Winds at Earth’s surface are frictionless Cyclonic flow must be opposite the direction of Earth’s rotation 6.14 Buys Ballot’s law states that: 6.14 Buys Ballot’s law states that: In the Northern Hemisphere, low pressure will be on your left if you stand with your back to the wind Winds higher than a few kilometers are called geostrophic Winds at Earth’s surface are frictionless Cyclonic flow must be opposite the direction of Earth’s rotation 6.15 Which of the following is INCORRECT relative to air circulation? Anticyclone—High pressure Cyclone—Low pressure Anticyclone—Clockwise circulation in the Southern Hemisphere Cyclone—Counterclockwise circulation in the Northern Hemisphere 6.15 Which of the following is INCORRECT relative to air circulation? Anticyclone—High pressure Cyclone—Low pressure Anticyclone—Clockwise circulation in the Southern Hemisphere Cyclone—Counterclockwise circulation in the Northern Hemisphere 6.16 In a Northern Hemisphere cyclone viewed from above, surface winds blow: Clockwise and parallel to isobars Clockwise and outward Counterclockwise and parallel to isobars Counterclockwise and inward 6.16 In a Northern Hemisphere cyclone viewed from above, surface winds blow: Clockwise and parallel to isobars Clockwise and outward Counterclockwise and parallel to isobars Counterclockwise and inward 6.17 High air-pressure systems are usually associated with: Diverging winds at the surface Subsiding air Clear weather All of the above are correct. Only a and c are correct. 6.17 High air-pressure systems are usually associated with: Diverging winds at the surface Subsiding air Clear weather All of the above are correct. Only a and c are correct. 6.18 If “fair” weather is approaching, the pressure tendency would probably be: Falling Steady Rising Pressure tendency has nothing to do with forecasting fair or stormy weather. 6.18 If “fair” weather is approaching, the pressure tendency would probably be: Falling Steady Rising Pressure tendency has nothing to do with forecasting fair or stormy weather. 6.19 On a 360 degree wind vane dial, winds from the west are associated with: 0 degrees 90 degrees 180 degrees 270 degrees 0 degrees 90 degrees 180 degrees 270 degrees 6.19 On a 360 degree wind vane dial, winds from the west are associated with: 6.20 An instrument used to measure wind speed is called a(n): Anemometer Aneroid barometer Thermograph Tachometer Hygrometer Anemometer Aneroid barometer Thermograph Tachometer Hygrometer 6.20 An instrument used to measure wind speed is called a(n): 6.21 When wind consistently blows more often from one direction than any other, this is called a: Wind vane Wind rose Prevailing wind Trade wind Converging wind 6.21 When wind consistently blows more often from one direction than any other, this is called a: Wind vane Wind rose Prevailing wind Trade wind Converging wind 6.22 What country has the largest wind-generating capacity? China United States Germany Spain India China United States Germany Spain India 6.22 What country has the largest wind-generating capacity?