practice exam 2 weather and climate
Please select the best answer and indicate your answer clearly. You will not be penalized for guessing. Be sure to keep your eyes on your own exam. If I happen to catch you glancing at someone else's exam or engaging in other suspicious behavior, I cannot give you the benefit of
1. Which of the following is a thunderstorm cloud?
Cumulonimbus
Cirrus
Contrail
Altostratus
2. Which of the following is considered a fair weather cloud? (Pleasant weather)
Cumulonimbus
Cumulus congestus
C.
/Cumulus humilis
D. Nimbostratus
3. If the mixing ratio is 4 g/kg and the relative humidity is 50%, what is the saturation mixing ratio?
니
= 150=8
A. 50 g/kg
50/100
B.
8 g/kg
4 g/kg
2 g/kg
4. Precipitation may be measured using:
A.
a rain gauge.
satellite.
Doppler radar.
all of the above.
5. Which stability type is most associated with rising air?
Stable
Unstable
Both stable and unstable
Neither stable nor unstable
6. The name commonly used to describe the drier region observed on the downwind (leeward) side of a mountain range is the:
A. orographic.
B
inversion region. rainshadow.
D. compression region. 7. Collision coalescence is most common:
A.
near the poles.
in the mid-latitudes.
in the tropics.
none of the above.
8. Temperature inversions are usually associated with which of the following stability types?
A.
Stable
Unstable
Conditionally unstable
None of the above
9. Which of the following criteria must be met for a snowstorm to be considered a blizzard?
3 or more hours of snow or blowing snow reducing visibility to less than ¼ mile with winds or wind gusts of at least 35 mph
12 inches or more of snow in 12 hours or less
Wind chills less than 0°F
All of the above criteria must be met for a snowstorm to be considered a blizzard.
10. Which of the following explains why it is possible to see clouds on satellite images taken at night?
A.
The clouds emit infrared radiation.
The clouds reflect light coming from the moon.
The clouds reflect visible light from the sun.
The clouds are illuminated from the cities below.
11. The difference between the saturated adiabatic rate and the dry adiabatic rate is due to the fact that:
dry air is rare.
latent heat is released by a rising parcel of saturated air. moist air weighs less than dry air.
D. There is no difference.
Ht.
delete
(m)
12.
T (°C)
T (°C)
2
Which figure above best depicts a temperature profile for rain?
B. 2
С. 3
D. All of the above Which of the following indicates an increase in the actual amount of water vapor in the
An increase in dewpoint temperature
A decrease in mixing ratio
C.
A decrease in temperature
An increase in saturation mixing ratio
14. The diagram below indicates that the atmosphere is:
unstable.
conditionally unstable.
stable.
D.
The stability cannot be determined with the information given.
Ht.
(m)
ELR
DAR SAR
T (°C)
15. A hygrometer measures:
precipitation.
sun angle.
humidity.
latitude.
16. After a snowstorm the National Weather Service reports that Buffalo, New York received 2 inches of snow. If we assume a water equivalent ratio of 1:10, how much precipitation will be recorded?
20 inches
2 inches
0.2 inches
Impossible to determine from the given information
17. Frost forms when:
air cools to the dewpoint temperature.
the dewpoint is 0°C or below.
deposition occurs.
all of the above.
18. As air temperature increases, air's capacity for water vapor:
A. increases. decreases.
remains constant.
D. is unrelated to air temperature and can either increase or decrease. 19. Which type of fog forms when cold air overlies warm water? (It's common in central Ohio during the fall.)
A Steam fog
Advection fog
Radiation fog
Upslope fog
20. The leeward side of a mountain range is generally: warmer and drier than the windward side.
cooler and drier than the windward side.
warmer and more moist than the windward side.
quite similar to the windward side with regard to temperature and humidity.
21. Precipitation that falls as ice crystals or groups of ice crystals is called:
hail.
sleet.
freezing rain.
D.
snow.
22. Rain that falls from a cloud but evaporates before reaching the surface is referred to as:
sleet.
freezing rain.
C.
condensation. virga.
23. A model that illustrates the movement and exchange of water among the earth, atmosphere, and oceans is known as:
the Bergeron process.
kinetic energy.
precipitation.
D
the hydrologic cycle.
24. What is the lapse rate for a layer of air having a temperature of 4°C at 0m and a temperature of 9°C at 1000m?
13°C/1000m
9°C/1000m
C.
5°C/1000m
-5°C/1000m
25. A mackerel sky is associated with which of the following cloud types?
Cirrus
Cumulonimbus
C.
Cirrocumulus
D.
Nimbostratus