Which mechanism primarily deflects moving air masses creating jet streams above surface streams influenced by the Hadley Cell?

💡 Explanation

As air moves poleward from the Hadley Cell, the Coriolis effect deflects winds because of Earth’s rotation, causing them to veer right in the Northern Hemisphere and left in the Southern Hemisphere, generating high-altitude jet streams. Therefore, the deflection is mainly attributed to the Coriolis effect rather than thermal expansion, gradient force, or friction which have lesser influence at that altitude.

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