ATSC 210 Block 1 Exam Questions and Correct Answers (Already Graded A+)
What is conserved for dry adiabatic processes? - Answer- Potential Temperature and Equivalent Potential Temperature
Example of dry adiabatic process - Answer- Orographic lifting causing the parcel to cool, condense, and b...
ATSC 210 Block 1 Exam Questions
and Correct Answers (Already
Graded A+)
What is conserved for dry adiabatic processes? - Answer- Potential Temperature and
Equivalent Potential Temperature
Example of dry adiabatic process - Answer- Orographic lifting causing the parcel to
cool, condense, and become dry on the leeward side.
Define Mixing Ratio - Answer- The mass of water vapor to the mass of dry air.
Define Equivalent Potential Temperature - Answer- The temperature a parcel would
have if water vapor was condensed and latent heat released only warmed the dry air.
How does mixing ratio change with height in an expanding air parcel? - Answer-
What are the Parcel Theory Assumptions? - Answer- 1) There is little mixing of the
parcel with the environment.
2) Pressure of Parcel = Pressure of Environment
3) Thermally insulated from environment
4) Obeys First Law of Thermodynamics
5) Water mass in the parcel is constant
Two Methods by which Clouds Form - Answer- Forced Ascent
Auto-Convective Ascent
What process is Mixing Ratio conserved? - Answer- Dry Adiabatic Ascent
Dry Adiabatic Lapse Rate - Answer- -9.8°C/km
Pseudoadiabatic Lapse Rate - Answer- -5°C/km to -9°C/km
Describe how water mass affects the pseudoadiabatic lapse rate. - Answer- Increase in
water mass = Increase in latent heat release = Slower rate of cooling
Decrease in water mass = decrease in latent heat release = Faster rate of cooling
How can an atmosphere become more stable? - Answer- Warming aloft and Cooling
below
, How can an atmosphere become more unstable? - Answer- Cooling aloft and Warming
below
Define Hydrostatic Balance - Answer- Balance between vertical pressure gradient and
gravity (or buoyancy) forces
Describe relationship between average mean temperature and height of pressure
surface. - Answer- The colder the temperature the lower the pressure surface (Low
pressure) and the warmer the temperature the higher the pressure surface (High
pressure).
Describe the analysis formed on constant pressure charts. - Answer- Identification of
pressure systems and the associated heights in the atmosphere.
Describe the difference between pressure and height on constant pressure charts. -
Answer- Pressure is unchanging. Height changes based on the height of the given
pressure in the atmosphere.
Explain why the slope of pressure occurs from the equator to the poles. - Answer- The
air at the equator is warmer and less dense than the air at the poles which is colder and
denser. The difference in temperature results in a slope.
Define Thickness - Answer- The measure of distance in height between two constant
pressure surfaces.
Atmospheric Sciences - Answer- Disciplines devoted to description & understanding of
phenomenon in the atmospheres of Earth and other planets
Climatology - Answer- Study of the long-term statistical properties of the atmosphere
Meteorology - Answer- Study of atmospheric phenomena and their time dependent
behavior
Synoptic Meteorology - Answer- A Summary of Meteorological Events at a Given Time.
Describe Synoptic Meteorology - Answer- Analysis and forecasting of large-scale
atmospheric motions.
Scales of Motion Classification Schemes - Answer- Orlanski
Fujita
General / Common
Gust - Answer- Microscale
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