Weather & Meteorology Flashcards
6 cards from real CGI practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Weather & Meteorology flashcards as text
Which pressure system is typically associated with clear, stable weather?
Answer: High pressure (anticyclone)
High pressure systems cause air to sink and diverge, suppressing cloud formation and producing clear, stable weather.
What is the dew point spread, and why is it significant to pilots?
Answer: The difference between temperature and dew point; small spreads indicate fog or cloud formation risk
The temperature-dew point spread indicates how close the air is to saturation; a spread of 5°F or less signals high fog or cloud risk.
Where is wind shear most likely to be encountered near a thunderstorm?
Answer: Near the surface directly below the storm and at all altitudes within 20 NM
Wind shear associated with thunderstorms can occur near the surface under the storm and within approximately 20 NM of the cell at any altitude.
What type of icing is the most hazardous to aircraft?
Answer: Clear (glaze) ice
Clear ice is most hazardous because it forms rapidly, is heavy, adheres strongly, and is difficult to remove from airfoil surfaces.
A pilot observes a rapidly falling barometric pressure. What does this typically indicate?
Answer: Approaching low-pressure system with deteriorating weather
A rapid fall in barometric pressure indicates an approaching low-pressure system, often bringing deteriorating weather and precipitation.
What is the primary cause of convective turbulence?
Answer: Unequal surface heating causing rising thermals
Convective turbulence is caused by unequal surface heating, which generates rising columns of warm air (thermals) and surrounding downdrafts.
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