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SESK: Stuff Everyone Should Know · sesk.info/aero-wind-shear-change

What is wind shear?

Wind shear is a change in wind speed, direction, or both over a short distance.

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  1. A steady wind all day
  2. A cloud touching the ground
  3. A change in wind speed or direction ✔

Why: An aircraft crossing wind shear suddenly enters air moving differently. The rapid change can affect its flight path, especially near takeoff or landing.

Huh, didn't know that: Wind shear can occur vertically or horizontally.

The dad joke
Why could wind shear not make up its mind? It kept changing speed and direction!
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References

Answer: A change in wind speed or direction. An aircraft crossing wind shear suddenly enters air moving differently. The rapid change can affect its flight path, especially near takeoff or landing.

  1. Civil Air Patrol, Journey of Flight Teacher's Guide www.gocivilairpatrol.com/media/cms/2nd_edition_Teachers_Guide_5D3166D76F9B1.pdf
    Wind Shear: Atmospheric condition in which changes in speed and direction of the wind occur.
    Checked 2026-10-10.

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Flying & DronesFlying into a microburst, what does an aircraft usually meet first?Flying & DronesA microburst's downdrafts can reach about how fast?Flying & DronesLow-level wind shear is commonly associated with which of these?

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