Wind Chill is often misunderstood. Wind-chill or windchill (popularly wind chill factor) is the lowering of body temperature due to the passing-flow of lower-temperature air.. Wind chill numbers are always lower than the air temperature for values where the formula is valid. A simple way to avoid wind chill is to get out of the wind. The Windchill Temperature ( WCT) chart below was created in 200½002 by the Environment Canada ( EC) and the U.S. National Weather Service ( NWS ). The goal of the wind-chill scale is to communicate the effect of the wind by giving an equivalent hypothetical scenario in which the temperature is colder but there is no wind. As the speed of the wind increases, it can carry heat away from your body much more quickly, causing skin temperature to drop. Likewise, inanimate objects (like automobiles) will not drop below the temperature of surrounding air. If it’s warmer than that, or the wind is blowing slower than 3 mph, there is not windchill factor. As a guideline, keep in mind that the risk of frostbite increases rapidly when wind chill values go below -27. Wind Chill. Lastly, wind chill only applies when it’s 50°F or colder outside and when the wind is blowing greater than 3 mph. Wind Chill is the term used to describe the rate of heat loss on the human body resulting from the combined effect of low temperature and wind. The wind chill, as the name might suggest, measures how much colder the human body will feel when assaulted by the wind. Wind Chill is the term used to describe the rate of heat loss on the human body resulting from the combined effect of low temperature and wind. Let’s finally describe wind chill and then determine if this chilling-effect affects your home and your home comfort. The best way to avoid the hazards of wind chill is to check the weather forecast before going outside and to be prepared by dressing warmly. When the apparent temperature is higher than the air temperature, the heat index is used instead. It is based on the rate of heat loss from exposed skin caused by the effects of wind and cold. During extreme winter weather episodes, it seems the term wind chill is the most talked about measurement. Wind chill is based on the rate of heat loss from exposed skin caused by the effects of wind and cold. The only effect wind chill has on inanimate objects, such as car radiators and water pipes, is to shorten the amount of time for the object to cool. The inanimate object will not cool below the actual air temperature. The wind chill temperature conveys the cumulative effect of air temperature and wind on the human body. The human body constantly generates and loses heat. The concept behind wind chill and wind chill index is simple: Wind does not change the ambient temperature, but it strips heat away from heat-producing objects such as the human body. As winds increase, heat is carried away from the body at a faster rate, driving down both the skin temperature and eventually the internal body temperature. As winds increase, heat is carried away from the body at a faster rate, driving down both the skin temperature and eventually internal body temperature. The Wind Chill index is the temperature your body feels when the air temperature is combined with the wind speed. Wind chill IS a good indicator of how long it will take for hypothermia or frost bite to occur. Heat always flows from higher to lower temperature, so the temperature of human skin will not drop below that of the surrounding air, regardless of wind. Wind chill is calibrated to the human body's sense of coldness due to that effect. What Is Wind Chill and How Does It Affect the Human Body? For us humans and animals, the wind chill can greatly decrease … As a guideline, keep in mind that the risk of frostbite increases rapidly when wind chill only applies it... 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