15) The conditions that persist along the West Coast of the U. S. that are conducive to fog formation are:
a. inversions and a warm land surface.
b. moist air moving over a cold surface.
c. inversions and a warm water surface.
d. steep lapse rate and cold surface.
e. steep lapse rate and a warm surface.
16) When warm moist air moves over a cold surface, ________ fog may result.
a. steam
b. advection
c. radiation
d. precipitation
e. upslope
17) Which type of fog occurs during nights when skies are clear and relative humidity is high?
a. radiation fog
b. evaporation fog
c. advection fog
d. steam fog
18) A radiation fog requires which of the following in order to form?
a. a warm body of water and a cold breeze
b. cold air moving up a slope
c. high relative humidity and clear nighttime skies
d. warm air moving over a cold surface
19) The type of fog produced when cold air moves over a warm, moist surface is called:
a. advection fog.
b. radiation fog.
c. steam fog.
d. frontal fog.
20) The water content or volume of a raindrop is approximately ________ times that of a typical cloud
droplet.
a. 1 million
b. 1000
c. 100
d. 10
e. 1 billion
21) What is the basic reason why condensation is not very important in causing a cloud droplet to grow to
raindrop size?
a. Not enough particulates are present.
b. Condensation is too slow.
c. Electrical effects limit condensation.
d. The question is incorrect; condensation is very important.
e. Latent heat limits condensation.