Topic
wind chill.
lowering of body temperature due to the passing-flow of lower-temperature air
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About wind chill
Wind chill is the sensation of cold produced by the wind for a given ambient air temperature on exposed skin as the air motion accelerates the rate of heat transfer from the body to the surrounding atmosphere. The measurement of wind chill is called wind chill index or wind chill factor. The most common measurement is the wind chill temperature and its values are always lower than the air temperature in the range where the formula is valid. When the apparent temperature is higher than the air temperature, the heat index is used instead.
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