WX 201 EXAM 2 QUESTIONS AND
ANSWERS WITH 100% SOLVED
SOLUTIONS | NEWEST 2025
____ is a condition in which the environmental lapse rate is equal to
the dry adiabatic rate. - CORRECT ANSWER-Neutral stability
The rate at which the actual air temperature changes with increasing
height above the surface is referred to as the ____ rate. - CORRECT
ANSWER-environmental lapse
Absolute instability results when the environmental lapse rate is ____
the ____ adiabatic rate. - CORRECT ANSWER-greater than; dry
An air parcel in an unstable atmosphere has ____ force acting on it. -
CORRECT ANSWER-an upward-directed
An inversion represents an extremely stable atmosphere because air
that rises into the inversion will eventually become ____ and more
dense than/as the surrounding air. - CORRECT ANSWER-colder
,The environmental lapse rate is almost always the same as the
adiabatic rate. - CORRECT ANSWER-False
____ appearing in the sky indicates that the mid-level of the
troposphere is becoming more unstable. - CORRECT ANSWER-
Altocumulus castellanus
Most thunderstorms do not extend very far into the stratosphere
because the air in the stratosphere is ____. - CORRECT ANSWER-
stable
In a sky filled with scattered cumulus humilis clouds, rising motions are
found under the clouds and sinking motions are found ____ the clouds.
- CORRECT ANSWER-between
For a layer of altostratus clouds to change into altocumulus it is
necessary for ____. - CORRECT ANSWER-the top part of the cloud
deck to cool while the bottom part warms
Rain shadows do not form on the leeward side of mountains. -
CORRECT ANSWER-False
,The atmosphere is normally most stable in the late afternoon and most
unstable in the early morning. - CORRECT ANSWER-False
The temperature of rising air at a given level inside a cumulus cloud is
normally warmer than the air around the cloud. - CORRECT ANSWER-
True
Inversions that form as air slowly sinks over a large area are called
____ inversions. - CORRECT ANSWER-subsidence
A rising parcel of air that does not exchange heat with its surroundings
is an example of ____. - CORRECT ANSWER-an adiabatic process
If rising air cools ____, the relative humidity becomes 100 percent. -
CORRECT ANSWER-to the dew-point temperature
Conditional instability occurs whenever the environmental lapse rate is
____ the moist adiabatic rate and the dry adiabatic rate. - CORRECT
ANSWER-between
____ appearing in the sky indicates that the mid-level of the
troposphere is becoming more unstable. - CORRECT ANSWER-
Altocumulus castellanus
, A small volume of air is referred to as a ____. - CORRECT ANSWER-
parcel of air
The rate at which the temperature changes inside a descending (or
rising) parcel of saturated air is called the ____ rate. - CORRECT
ANSWER-moist adiabatic
The elevation where clouds form is called the ____ level. - CORRECT
ANSWER-condensation
Rising air will eventually cool to its dew-point temperature. At that
point, what is its relative humidity? - CORRECT ANSWER-100
Which of the following is not a mechanism primarily responsible for
most clouds observed? - CORRECT ANSWER-Differences in air
pressure caused by a rapidly increasing moist adiabatic rate in a
thermal.
Which condition would be described as the most stable, independent of
the season or the location on Earth? - CORRECT ANSWER-An
inversion
ANSWERS WITH 100% SOLVED
SOLUTIONS | NEWEST 2025
____ is a condition in which the environmental lapse rate is equal to
the dry adiabatic rate. - CORRECT ANSWER-Neutral stability
The rate at which the actual air temperature changes with increasing
height above the surface is referred to as the ____ rate. - CORRECT
ANSWER-environmental lapse
Absolute instability results when the environmental lapse rate is ____
the ____ adiabatic rate. - CORRECT ANSWER-greater than; dry
An air parcel in an unstable atmosphere has ____ force acting on it. -
CORRECT ANSWER-an upward-directed
An inversion represents an extremely stable atmosphere because air
that rises into the inversion will eventually become ____ and more
dense than/as the surrounding air. - CORRECT ANSWER-colder
,The environmental lapse rate is almost always the same as the
adiabatic rate. - CORRECT ANSWER-False
____ appearing in the sky indicates that the mid-level of the
troposphere is becoming more unstable. - CORRECT ANSWER-
Altocumulus castellanus
Most thunderstorms do not extend very far into the stratosphere
because the air in the stratosphere is ____. - CORRECT ANSWER-
stable
In a sky filled with scattered cumulus humilis clouds, rising motions are
found under the clouds and sinking motions are found ____ the clouds.
- CORRECT ANSWER-between
For a layer of altostratus clouds to change into altocumulus it is
necessary for ____. - CORRECT ANSWER-the top part of the cloud
deck to cool while the bottom part warms
Rain shadows do not form on the leeward side of mountains. -
CORRECT ANSWER-False
,The atmosphere is normally most stable in the late afternoon and most
unstable in the early morning. - CORRECT ANSWER-False
The temperature of rising air at a given level inside a cumulus cloud is
normally warmer than the air around the cloud. - CORRECT ANSWER-
True
Inversions that form as air slowly sinks over a large area are called
____ inversions. - CORRECT ANSWER-subsidence
A rising parcel of air that does not exchange heat with its surroundings
is an example of ____. - CORRECT ANSWER-an adiabatic process
If rising air cools ____, the relative humidity becomes 100 percent. -
CORRECT ANSWER-to the dew-point temperature
Conditional instability occurs whenever the environmental lapse rate is
____ the moist adiabatic rate and the dry adiabatic rate. - CORRECT
ANSWER-between
____ appearing in the sky indicates that the mid-level of the
troposphere is becoming more unstable. - CORRECT ANSWER-
Altocumulus castellanus
, A small volume of air is referred to as a ____. - CORRECT ANSWER-
parcel of air
The rate at which the temperature changes inside a descending (or
rising) parcel of saturated air is called the ____ rate. - CORRECT
ANSWER-moist adiabatic
The elevation where clouds form is called the ____ level. - CORRECT
ANSWER-condensation
Rising air will eventually cool to its dew-point temperature. At that
point, what is its relative humidity? - CORRECT ANSWER-100
Which of the following is not a mechanism primarily responsible for
most clouds observed? - CORRECT ANSWER-Differences in air
pressure caused by a rapidly increasing moist adiabatic rate in a
thermal.
Which condition would be described as the most stable, independent of
the season or the location on Earth? - CORRECT ANSWER-An
inversion
