Wind Chill
How cold it feels in the wind: wind chill from air temperature and wind speed, with frostbite risk.
Wind carries heat away from the skin, so wind chill feels colder than the thermometer shows.
Formula
Twc = 13.12 + 0.6215T − 11.37V0.16 + 0.3965TV0.16
T is the temperature in °C and V is wind speed in km/h. It applies at T ≤ 10 °C and V > 4.8 km/h.
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