Chinook Arch: A spectacular cloud formation over Alberta, Canada

Name: Chinook Arch: A spectacular cloud formation over Alberta, Canada
Uploaded: 2026-02-06T07:10:01Z
Duration: 2 min 34 s
Description: Meteorologist Ari Sarsalari explains the rare and visually stunning Chinook Arch cloud formation, observed over Alberta, Canada. He details how Chinook winds interact with the Rocky Mountains and atmospheric moisture to create this unique mountain wave cloud, illustrating the phenomenon with satellite imagery and ground-level video.

Fox Weather @ Night · FWX · Feb 6, 2026 · 2m 34sSign Up Now

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Meteorologist Ari Sarsalari explains the rare and visually stunning Chinook Arch cloud formation, observed over Alberta, Canada. He details how Chinook winds interact with the Rocky Mountains and atmospheric moisture to create this unique mountain wave cloud, illustrating the phenomenon with satellite imagery and ground-level video.