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SESK: Stuff Everyone Should Know · sesk.info/aero-clear-air-turbulence-causes

Which conditions can be associated with clear-air turbulence?

It can be linked with convection, wind shear, and mountains.

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  1. Only light rain
  2. Convection, wind shear, and mountains ✔
  3. Only airport lighting

Why: Clear-air turbulence can form where air currents change sharply or flow around terrain. It may occur without a nearby visible cloud warning.

Huh, didn't know that: CAT is a common abbreviation for clear-air turbulence.

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Why was clear-air turbulence hard to spot? It kept a low cloud profile!
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References

Answer: Convection, wind shear, and mountains. Clear-air turbulence can form where air currents change sharply or flow around terrain. It may occur without a nearby visible cloud warning.

  1. Civil Air Patrol, Journey of Flight Teacher's Guide www.gocivilairpatrol.com/media/cms/2nd_edition_Teachers_Guide_5D3166D76F9B1.pdf
    Clear-Air Turbulence (CAT) is associated with convective currents, wind shears and obstructions (mountains).
    Checked 2026-10-10.

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