Jet streams are...

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Prepare for the NES Earth and Space Science (307) Test. Use flashcards and multiple-choice questions with explanations to enhance your understanding and boost your confidence. Excel in your exam preparation!

Multiple Choice

Jet streams are...

Explanation:
Jet streams are fast flowing narrow air currents in Earth's atmosphere. They form high in the atmosphere, near the boundary between the troposphere and stratosphere, where large horizontal temperature differences between warm and cold air create a strong pressure gradient. The Earth's rotation (Coriolis effect) then channels this strong flow into narrow bands that typically travel from west to east. These jets can reach speeds of around 100–200 mph (160–320 km/h) and influence weather patterns and aviation routes. They are not near the surface, not a broad stagnant layer, and not a region where wind is zero.

Jet streams are fast flowing narrow air currents in Earth's atmosphere. They form high in the atmosphere, near the boundary between the troposphere and stratosphere, where large horizontal temperature differences between warm and cold air create a strong pressure gradient. The Earth's rotation (Coriolis effect) then channels this strong flow into narrow bands that typically travel from west to east. These jets can reach speeds of around 100–200 mph (160–320 km/h) and influence weather patterns and aviation routes. They are not near the surface, not a broad stagnant layer, and not a region where wind is zero.

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