Kelvin-helmholtz billows

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Kelvin–Helmholtz billows

  1. Cloud forms that arise from Kelvin–Helmholtz waves.

  2. Vortical structures that result from the growth and nonlinear development of unstable waves in a shear flow.

    The billows get their name from the instability responsible for the growth of the unstable waves, Kelvin–Helmholtz instability.