Question

what are jet stream in very short

Answer 1

jet stream. strong, generallywesterly winds concentrated in a relatively narrow and shallow stream in the upper troposphere of the earth. similar strong winds in the atmosphere of another planet: jet streams on Jupiter. the exhaust of a jet or rocket engine
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Answer 2

jet stream. strong, generally westerly winds concentrated in a relatively narrow and shallow stream in the upper troposphere of the earth. similar strong winds in the atmosphere of another planet: jet streams on Jupiter. the exhaust of a jet or rocket engine.