Valley wind
A thermally driven daytime flow that draws air up the valleys towards the ridges in big mountains.
Also known as
- up-valley wind standard term
Terms and slang labels apply to this language. Usage may differ in other languages.
What it means
Heated slopes pull air in from the plains and lower valleys, so by afternoon a strong wind can blow up the valley floor, and towards evening the flow can reverse. Unlike the synoptic wind, it is a local circulation added on top of the large-scale flow.
Example in context
By the afternoon the valley wind was in full swing, and on final I was barely moving over the ground.
Sources and review
- Cross Country: Weather – When valley winds reverse (Honza Rejmanek) (opens in a new tab)
- Flybubble: Landing safely in a valley wind (opens in a new tab)
- Jakub Vrána — Paraglidingový slang: o počasí (opens in a new tab)
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