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What are the typical flight conditions in the stratosphere?
- Little turbulence
- Almost no weather
- Constant cold temps
- Excellent visibility
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The altimeter setting is corrected for ______.
MSL
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The altimeter is calibrated for a ______ lapse rate
standard
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A strong pressure gradient force means a ______ wind speed
Faster
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High pressure results from ______ air.
descending
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What are the three states of moisture?
Solid, liquid, gas
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______ clouds produce violent/heavy steady precipitation.
Nimbostratus
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What are the three conditions of atmospheric stability?
- Stable air
- Unstable air
- Neutrally Stable air
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What is an air mass?
A large body of air that has uniform temperature and moisture in a horizontal plane
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What are the characteristics of a squall line?
- Line of severe thunderstorms
- Forms 50-300 miles ahead of a cold front
- Will sometimes form without a cold front
- Contains severe hazards to aviation
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With a warm front, where does weather accure in relation to the surface front?
ahead of surface front
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Thermal turbulence is also known as ______.
convective turbulance
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What is sky coverage?
height of cloud base in hundreds of feet
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What are the sequence of events a pilot will encounter when flying through a microburst
- Increase in headwind and IAS
- Tailwind with a decrease in IAS
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What are the best choices, in order of priority, for avoiding the penetration of a thunderstorm?
Around, above, below
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What are the atmospheric cycles?
- Evaparations and condensation
- Hydrological cycle
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The ______ is used to determine air mass boundary
Dewpoint
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A definite strain against seat belts and shoulder straps would indicate ______ turbulence
moderate
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What type of clouds indicate the presence of low level wind shear and extreme turbulence?
Roll and wall clouds
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What are the key words that id the intensities of turbulance
- Light (slight erratic changes)
- Moderate (larger changes)
- Severe (abrupt changes)
- Extreme (vilontely tossed)
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