Canyon wind

From Glossary of Meteorology

canyon wind

  1. The mountain wind of a canyon, that is, the nighttime down-canyon flow of air caused by cooling at the canyon walls.

    Because of the steepness of the slopes, canyon winds can be very strong.

  2. (Or gorge wind.) Any wind modified by being forced to flow through a canyon or gorge, especially by a strong pressure gradient as is the case with mountain-gap winds.

    The easterly Wasatch winds of Utah are examples. The speed of canyon winds may be increased as a jet-effect wind (
    see also gap wind), and their direction is rigidly controlled by the topography.

  3. Same as Wasatch winds.