Earth and the Environment

Why are weather vanes mounted on tall buildings?

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The wind vane must be mounted at a distance from the nearest obstacle equal to at least twice the height of the obstacle above the vane if the observed wind direction is to be representative of meteorologically significant wind patterns; for this reason, the vane is often mounted on a pole or tower that is in turn mounted on the roof of a tall building.

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Get more facts and information about weather vane . Or, view the full encyclopedia entry from The Columbia Encyclopedia, Sixth Edition.

Similar questions: How must a weather vane be positioned to record meteorologically significant wind patterns? How high above surrounding objects must a weather vane be for its measurements to be accurate? [ Hide these questions ]

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