A land breeze typically forms after sunset and lasts about how long?

Prepare for the NWCG Introduction to Wildland Fire Behavior Calculations (S-390) Test. Study with interactive questions and explanations to ensure you're ready for the challenge.

Multiple Choice

A land breeze typically forms after sunset and lasts about how long?

Explanation:
After sunset, the land cools quickly due to radiational cooling while the sea remains relatively warmer. This makes the air over land denser and creates an offshore flow from land to sea—the land breeze. This nocturnal offshore wind forms soon after sunset and is typically short-lived, lasting about two to three hours. As the surface continues to stabilize and the temperature gradient weakens, the breeze diminishes. The other durations are less typical for this common pattern.

After sunset, the land cools quickly due to radiational cooling while the sea remains relatively warmer. This makes the air over land denser and creates an offshore flow from land to sea—the land breeze. This nocturnal offshore wind forms soon after sunset and is typically short-lived, lasting about two to three hours. As the surface continues to stabilize and the temperature gradient weakens, the breeze diminishes. The other durations are less typical for this common pattern.

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