This resource introduces students to the concept of windchill, the temperature of windless air that would have the same effect on exposed human skin as a given combination of wind speed and air temperature. Materials include a discussion of the new, more accurate formula, a downloadable brochure that answers basic questions about windchill, frostbite, and hypothermia, and the newly revised chart for determining windchill (also downloadable). There is also a comparison chart showing the difference between the old and new windchill formulas, and an online calculator that allows users to enter air temperature and wind speed to obtain the windchill value.

Downloadable documents require Adobe Acrobat reader

No cost

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Publisher: National Oceanic and Atmospheric Administration (NOAA), National Weather Service
Office of Climate, Water, and Weather Services
http://www.weather.gov/os/