Which of the following is an example of mountain winds?

The correct answer is the Chinook Winds of southern California, which are a classic example of mountain winds. Chinook winds occur when moist air ascends the windward side of a mountain range, cools, and loses moisture in the form of precipitation. As the now dry air descends on the leeward side, it warms and creates a drying, often rapid heating effect. This phenomenon is commonly associated with the eastern slopes of the Rocky Mountains but can be referred to in the context of other mountain ranges as well.

In contrast, the Mistrals of southern France are strong, cold winds that come from the north and are not directly classified as mountain winds, although they are influenced by the terrain. Tornadoes, such as those found in south Florida, are severe storms characterized by violent winds and are not associated with mountain wind patterns. The Foehn winds in the Swiss and French Alps also represent a type of mountain wind, much like Chinook winds, as they similarly result from moist air flowing over mountains. However, the focus on southern California for the Chinook winds emphasizes their distinctiveness and relevance to the question in the context given, making it an appropriate choice.