Which atmospheric mechanism predominantly deflects high-altitude eastward-flowing air streams on a rotating planet?

💡 Explanation

When earth rotates, the Coriolis force acts because moving air masses deflect to the right in the Northern Hemisphere, creating high-altitude jet streams divergence. Therefore Coriolis force divergence results, rather than pressure adjustment, orographic processes, or Hadley cell inversions which require different conditions to dominate.

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