Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
1. Which of the following tends to produce lower temperatures overnight? A. low-level winds B. clear skies C. dew formation D. all of the above 1. Which of the following tends to produce lower temperatures overnight? A. low-level winds B. clear skies C. dew formation D. all of the above 2. Suppose that on a spring day the input of solar radiation at the ground, as well as the net energy output (IR, conduction, etc) at the ground, are as shown below. At approximately what time do you expect the maximum daily temperature in this case? A. noon B. 1 pm C. 4 pm D. 6 pm 2. Suppose that on a spring day the input of solar radiation at the ground, as well as the net energy output (IR, conduction, etc) at the ground, are as shown below. At approximately what time do you expect the maximum daily temperature in this case? A. noon B. 1 pm C. 4 pm D. 6 pm 3. Convergence of air aloft would cause the surface pressure to ____________, while divergence would cause the surface pressure to ___________. A. decrease, increase B. decrease, decrease C. increase, decrease D. increase, increase 3. Convergence of air aloft would cause the surface pressure to ____________, while divergence would cause the surface pressure to ___________. A. decrease, increase B. decrease, decrease C. increase, decrease D. increase, increase 4. If the relative humidity is 50%, then for the given temperature the air has A. half the water vapor content needed for saturation B. half the humidity of the global humidity standard C. half the calories of normal air D. none of the above 4. If the relative humidity is 50%, then for the given temperature the air has A. half the water vapor content needed for saturation B. half the humidity of the global humidity standard C. half the calories of normal air D. none of the above 5. Consider a layer of water with air above it. If water molecules are escaping from the layer and returning at the same rate, then the system is said to be A. the bomb B. at saturation C. at the evaporation threshold D. at maximum humidity 5. Consider a layer of water with air above it. If water molecules are escaping from the layer and returning at the same rate, then the system is said to be A. the bomb B. at saturation C. at the evaporation threshold D. at maximum humidity 6. The amount of mass between the 200 mb and 500 mb pressure levels is A. greatest when it's cold B. greatest when it's warm C. always the same D. steadily decreasing 6. The amount of mass between the 200 mb and 500 mb pressure levels is A. greatest when it's cold B. greatest when it's warm C. always the same D. steadily decreasing 7. The pressure gradient force always pushes or pulls A. directly towards centers of low pressure (i.e., pressure minima) B. directly towards centers of high pressure C. along isobars D. perpendicular to isobars, from higher pressure to lower pressure 7. The pressure gradient force always pushes or pulls A. directly towards centers of low pressure (i.e., pressure minima) B. directly towards centers of high pressure C. along isobars D. perpendicular to isobars, from higher pressure to lower pressure 8. In the Northern Hemisphere, the Coriolis force always pushes or pulls A. perpendicular to the wind, to the right (if we're looking downwind) B. perpendicular to the wind, to the left C. in the same direction as the wind 8. In the Northern Hemisphere, the Coriolis force always pushes or pulls A. perpendicular to the wind, to the right (if we're looking downwind) B. perpendicular to the wind, to the left C. in the same direction as the wind 9. On a surface map we usually show isobars, or lines of constant pressure. What's shown on an upper-level chart instead? A. the height of a pressure surface B. contours of pressure and temperature C. just the temperature contours 9. On a surface map we usually show isobars, or lines of constant pressure. What's shown on an upper-level chart instead? A. the height of a pressure surface B. contours of pressure and temperature C. just the temperature contours 10. The figure above shows the height of the 500 mb pressure surface as shown in an east-west vertical cross section. Which point in the figure has the lowest pressure? 10. The figure above shows the height of the 500 mb pressure surface as shown in an east-west vertical cross section. Which point in the figure has the lowest pressure? 11. At which point is the temperature colder: point A or point B? 11. At which point is the temperature colder: point A or point B? 12. The figure at right shows the height contours for the 500 mb pressure surface. The weather feature indicated by the dotted line is referred to as A. an anticyclone B. a cyclone C. a trough D. a ridge 12. The figure at right shows the height contours for the 500 mb pressure surface. The weather feature indicated by the dotted line is referred to as A. an anticyclone B. a cyclone C. a trough D. a ridge