While Chinooks can occur on the downward slope of any mountain in the world, including areas in Argentina and the Swiss Alps, in Canada they are most common in southern Alberta.
Where do Chinook winds take place?
Chinook winds, are föhn winds in the interior West of North America, where the Canadian Prairies and Great Plains meet various mountain ranges, although the original usage is in reference to wet, warm coastal winds in the Pacific Northwest.
How does a Chinook happen?
A chinook occurs when a warm, moist air mass moves east from the Pacific and rises over the Rocky Mountains, where it cools, loses moisture and condenses into cloud cover.