During night, where does the land breeze move air?

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Study for the Pilot's Handbook of Aeronautical Knowledge Exam. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

During night, where does the land breeze move air?

Explanation:
At night the land cools quickly and becomes cooler and denser, creating relatively higher pressure over the land. The sea stays warmer, so the air above it remains lighter with relatively lower pressure. This pressure difference drives air from the high-pressure land toward the lower-pressure sea at the surface. That flow from land to sea is the land breeze, which is why the correct answer is that air moves from land to sea during night. In daylight, the pattern reverses: heating of the land lowers surface pressure and a sea breeze blows from sea to land.

At night the land cools quickly and becomes cooler and denser, creating relatively higher pressure over the land. The sea stays warmer, so the air above it remains lighter with relatively lower pressure. This pressure difference drives air from the high-pressure land toward the lower-pressure sea at the surface. That flow from land to sea is the land breeze, which is why the correct answer is that air moves from land to sea during night. In daylight, the pattern reverses: heating of the land lowers surface pressure and a sea breeze blows from sea to land.

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