CPAER Meteorology Exam Questions and Answers 100% Accurate
What is the primary driver of weather? - ANSWER-Uneven heating of the surface of the earth
In a standard atmosphere the environmental lapse rate is - ANSWER-2º per 1,000ft
The dry adiabatic lapse rate is - ANSWER-3º per 1,000ft
The wet adiabatic lapse rate is - ANSWER-1.5º per 1,000ft
A stable atmosphere occurs when the environmental lapse rate is - ANSWER-Shallow or negative
An unstable atmosphere occurs when the environmental lapse rate is - ANSWER-
Steeper than both the wet and dry adiabatic lapse rates
A potentially unstable atmosphere occurs when the environmental lapse rate is - ANSWER-Somewhere between the dry an wet adiabatic lapse rates
ISA - ANSWER-15º and pressure at sea level of 29.92" (1013.2hpa)
The average height of the tropopause is - ANSWER-36,000ft
For every 1,000ft climbed, mercury drops approximately - ANSWER-1"
Relative humidity - ANSWER-The amount of water in the air relative to the maximum it can hold at given temperature and pressure
Dewpoint - ANSWER-The temperature at which condensation begins Is humid air or dry air more dense? - ANSWER-Dry air
Convection - ANSWER-Vertical movement of air
Advection - ANSWER-Horizontal movement of air
Deposition - ANSWER-When gas changes *directly* to a solid
Isobars - ANSWER-Lines of constant/equal pressure
Isotachs - ANSWER-Lines of constant/equal wind velocity
Contour lines - ANSWER-Lines where the altitude at which a specified pressure occurs is constant
Cloudy/rainy weather is associated with - ANSWER-Low pressure system (ascending air)
Which way does air circulate in a low pressure system? - ANSWER-Counter-clockwise
Warm/sunny weather is associated with - ANSWER-High pressure system (descending air)
If you stand with your back to the wind in the northern hemisphere, the low will be on your - ANSWER-Left
Below 3,000ft wind typically blows ____ isobars - ANSWER-Across
Squall (wind) - ANSWER-Rapid increase in wind speed lasting for a minute or longer
What is the primary driver of weather? - ANSWER-Uneven heating of the surface of the earth
In a standard atmosphere the environmental lapse rate is - ANSWER-2º per 1,000ft
The dry adiabatic lapse rate is - ANSWER-3º per 1,000ft
The wet adiabatic lapse rate is - ANSWER-1.5º per 1,000ft
A stable atmosphere occurs when the environmental lapse rate is - ANSWER-Shallow or negative
An unstable atmosphere occurs when the environmental lapse rate is - ANSWER-
Steeper than both the wet and dry adiabatic lapse rates
A potentially unstable atmosphere occurs when the environmental lapse rate is - ANSWER-Somewhere between the dry an wet adiabatic lapse rates
ISA - ANSWER-15º and pressure at sea level of 29.92" (1013.2hpa)
The average height of the tropopause is - ANSWER-36,000ft
For every 1,000ft climbed, mercury drops approximately - ANSWER-1"
Relative humidity - ANSWER-The amount of water in the air relative to the maximum it can hold at given temperature and pressure
Dewpoint - ANSWER-The temperature at which condensation begins Is humid air or dry air more dense? - ANSWER-Dry air
Convection - ANSWER-Vertical movement of air
Advection - ANSWER-Horizontal movement of air
Deposition - ANSWER-When gas changes *directly* to a solid
Isobars - ANSWER-Lines of constant/equal pressure
Isotachs - ANSWER-Lines of constant/equal wind velocity
Contour lines - ANSWER-Lines where the altitude at which a specified pressure occurs is constant
Cloudy/rainy weather is associated with - ANSWER-Low pressure system (ascending air)
Which way does air circulate in a low pressure system? - ANSWER-Counter-clockwise
Warm/sunny weather is associated with - ANSWER-High pressure system (descending air)
If you stand with your back to the wind in the northern hemisphere, the low will be on your - ANSWER-Left
Below 3,000ft wind typically blows ____ isobars - ANSWER-Across
Squall (wind) - ANSWER-Rapid increase in wind speed lasting for a minute or longer
