A katabatic wind is a drainage wind, a wind that carries high-density air from a higher elevation down a slope under the force of gravity. Such winds are sometimes also called fall winds. Katabatic winds can rush down elevated slopes at hurricane speeds.

Tom A
Those katabatic winds look like eddies in a stream almost
Tom A
Also, thanks for this video on account of tonight’s episode
Jan F
WOW WES..it could very Well be that you are Right …
I have never heard that about sweden before now.
Or about those katabatic Wind.
Charles R
Nice capture. Really the first time I have heard of them due to your research and good theory into the Dyatlav Pass mystery, Wes.