AICE Geography Practice Exam 2025 – All-in-One Guide to Excelling in AICE Geography!

Question: 1 / 400

Which atmospheric condition is characterized by dry, descending air and calm, clear skies?

Instability

Stability

The atmospheric condition characterized by dry, descending air and calm, clear skies is stability. When the atmosphere is stable, it means that the warm air is less dense than the cooler air above it, leading to a lack of vertical movement in air currents. In stable conditions, any rising air will cool and ultimately sink back down, creating a situation where air descends rather than rises. This descending air tends to heat up and dry out, resulting in clear skies and calm weather conditions.

This phenomenon often leads to high-pressure systems, where the stable air mass suppresses cloud formation and precipitation, allowing for prolonged periods of dry weather and sunshine. Understanding these atmospheric conditions is crucial for predicting weather patterns and recognizing the influences of high-pressure systems on regional climates.

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Convergence

Divergence

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