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Regional winds (North America): What is the hot, dry wind that blows on the east/leeward side of the Rocky Mountains? Identify the local name commonly used in climatology and physical geography. Choose the correct wind name.

Difficulty: Easy

The Chinook
The Sirocco
The Harmattan
The Loo

Correct Answer: The Chinook

Explanation:

Given data

Location: Leeward (eastern) slopes of the Rocky Mountains, North America.

Concept/Approach
Warm, dry downslope winds caused by adiabatic warming are called foehn-type winds. In the Rockies these are known as Chinooks.

Elimination
• Sirocco → hot wind from Sahara toward Mediterranean (Europe).• Harmattan → dry NE trade wind over West Africa.• Loo → very hot, dry summer wind in northwestern India.

Final Answer
The Chinook

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