Download 1. Which of the following tends to produce lower temperatures

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