![]() ![]() The NWS is planning to implement a replacement Wind Chill Temperature (WCT) index for the 2001/2002 winter season. In addition, clinical trials have been conducted and the results of those trials have been used to verify and improve the accuracy of the new formula. To determine the wind chill temperature, find the value closest to your outside air temperature. Click here to enlarge chart (pdf format) Wind Chill Calculator. All forecasts of wind chill & minimum temperature are completely automated. The new WCT formula makes use of advances in science, technology and computer modeling to provide a more accurate, understandable and useful formula for calculating the dangers from winter winds and freezing temperatures. Mouse over or click on the times below to change the above graphic. They developed empirical formulas relating that data to the rate of heat loss from exposed human skin. This graphical forecast page is planned to be replaced by the map viewer now experimentally available at .gov. Passel experimented with measuring the time it took to freeze 250 grams of water in different temperature and wind conditions. Siple in his 1939 dissertation, "Adaptation of the Explorer to the Climate of Antarctica." During the 1940s, Siple (who coined the term "wind chill") and Charles F. The old WCT formula was introduced by Antarctic explorer Paul A. Wind Chill, the measure of the rate of heat loss based on air temperature and wind speed, is not a true temperature, but it allows us to understand how heat is lost to the wind.
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