FAA Aircraft Dispatcher Practice Exam

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What occurs during a temperature inversion at an occluded front?

Cold air masses rise above warm air masses

Warm air mass pushes cold air downwards

Warm air exists at higher altitudes

During a temperature inversion at an occluded front, warm air exists at higher altitudes. This phenomenon occurs when a cold front overtakes a warm front, causing the warmer, lighter air to rise above the denser, colder air mass. As this happens, the layers of air become stratified, with warmer air entrapped aloft and cooler air near the surface. This can lead to stable atmospheric conditions, which often result in limited vertical mixing and sometimes persistent cloud cover or fog at lower levels.

The inversion is significant because it can limit upward air movement, trapping pollutants and resulting in poor air quality. Understanding temperature inversions is essential for understanding weather patterns and can greatly influence flight operations and safety considerations for aircraft dispatchers.

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Cold air remains stationary at ground level

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