One Montana city known for its frequent strong winds is Livingston. In fact it is common for Livingston to experience "hurricane force" winds (winds that exceed 120 km or 74.4 miles/hour). Wind frequency, direction, and speed are influenced by many factors. But for Livingston, the factor that makes it a standout when it comes to wind is topography. The shape of the land around Livingston gives this city the distinction of being located at the end of two funnels formed by nearby mountains.
To understand this situation, let's first identify the labels on the space shuttle view of southwestern Montana shown above. The white areas on the photo are snow covered mountains, whereas the brown areas are lower elevations; valleys, etc.
YNP: Yellowstone National Park
the south . . .
The westerlies . . .
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Earth Science Teacher at Helena High School