Podcast
Questions and Answers
What is the primary driving force behind atmospheric circulation?
What is the primary driving force behind atmospheric circulation?
- Variations in air pressure
- Unequal heating of the Earth's surface by the sun (correct)
- The Coriolis effect
- Latent heat release during condensation
If an aircraft climbs from sea level to 3,000 feet, what approximate temperature decrease should the pilot expect, assuming a standard temperature lapse rate?
If an aircraft climbs from sea level to 3,000 feet, what approximate temperature decrease should the pilot expect, assuming a standard temperature lapse rate?
- 2°C
- 3.5°F
- 10.5°F (correct)
- 6°C
Which atmospheric condition is most likely indicated by a small or converging temperature/dewpoint spread?
Which atmospheric condition is most likely indicated by a small or converging temperature/dewpoint spread?
- Clear skies and unlimited visibility
- High winds aloft
- Fog or low clouds (correct)
- Rapid temperature increase with altitude
What processes add moisture to unsaturated air?
What processes add moisture to unsaturated air?
After the passage of a cold front, what change in wind direction is generally expected in the Northern Hemisphere?
After the passage of a cold front, what change in wind direction is generally expected in the Northern Hemisphere?
Besides unstable air, what are the other two conditions necessary for the formation of thunderstorms?
Besides unstable air, what are the other two conditions necessary for the formation of thunderstorms?
What is the recommended minimum distance to avoid thunderstorms?
What is the recommended minimum distance to avoid thunderstorms?
According to regulations, under what condition is a pilot allowed to fly into known icing conditions?
According to regulations, under what condition is a pilot allowed to fly into known icing conditions?
Flashcards
Atmospheric Circulation Driver
Atmospheric Circulation Driver
Unequal solar heating of the Earth's surface.
Pressure Change with Altitude
Pressure Change with Altitude
It decreases roughly 1 inch of mercury (1" Hg) per 1,000 feet of altitude gain.
Small Temp/Dew Point Spread
Small Temp/Dew Point Spread
Fog and low clouds are likely.
Adding Moisture to Air
Adding Moisture to Air
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Frontal Boundary Symbols
Frontal Boundary Symbols
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Frontal Passage Effects
Frontal Passage Effects
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Thunderstorm Formation Requirements
Thunderstorm Formation Requirements
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Wind Shear
Wind Shear
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