kelvin-helmholtz instability

  1. Trailspotter

    Striped linear cloud over Norfolk, England (Kelvin-Helmgoltz cloud)

    I've spotted this unusual cloud this morning (August 29, 2015) from the car on the trip to the Norfolk Broads and observed it for about twenty minutes from 11:15 to 11:35 BST (10:15 - 10:35 UTC) until it was obscured by lower clouds. The cloud comprised regularly spaced transverse stripes...