The most turbulent side of a jet stream is which side?

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Prepare for the Endeavor Air Indoctrination Training Test. Study with flashcards and multiple-choice questions, each offering hints and explanations. Get ready for your exam!

Multiple Choice

The most turbulent side of a jet stream is which side?

Explanation:
Turbulence in a jet stream mainly comes from wind shear—the rapid change of wind speed and direction over short distances. The cold side of the jet stream, where polar air sits next to the jet, creates a sharper wind-speed gradient as you approach the core. That stronger shear and the associated instabilities tend to produce more turbulence than on the warm side, where the gradient is not as abrupt. So, the side adjacent to colder air—the cold side—will be the bumpier, more turbulent region.

Turbulence in a jet stream mainly comes from wind shear—the rapid change of wind speed and direction over short distances. The cold side of the jet stream, where polar air sits next to the jet, creates a sharper wind-speed gradient as you approach the core. That stronger shear and the associated instabilities tend to produce more turbulence than on the warm side, where the gradient is not as abrupt. So, the side adjacent to colder air—the cold side—will be the bumpier, more turbulent region.

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