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Table H1 Figures from Steadman (1979a), which give the heat index in the form of an apparent temperature as a function of the actual temperature and dewpoint. Table H2 Figures also from Steadman (1979a), which give the heat index in terms of air temperature and relative humidity.
1 Οκτ 2022 · The heat index is a widely used measure of apparent temperature that accounts for the effects of humidity using Steadman’s model of human thermoregulation. Steadman’s model, however, gives unphysical results when the air is too hot and humid or too cold and dry, leading to an undefined heat index.
20 Μαΐ 2022 · The Heat Index is a widely used measure of apparent temperature that accounts for the effects of humidity using Steadman’s model of human thermoregulation. Steadman’s model, however, gives unphysical results when the air is too hot and humid or too cold and dry, leading to an undefined Heat Index.
heat index changes at a constant temperature with increasing air moisture. Extensive details are given in the original paper that developed the heat index (Steadman 1979a) to describe
The Heat Index (or apparent temperature) is the result of extensive biometeorological studies. The parameters involved in its calculation are shown below (from Steadman, 1979).
heat index is only defined for temperatures in the range of 288–304 K (598–888F). Here, Steadman’s thermoregulation model is extended to define the heat index for all combinations of temperature and humidity, allowing for an assessment of Earth’s future habitability.
One way to measure the combined effect of temperature and moisture on the human body is the heat index. In 1979, R. G. Steadman constructed an apparent temperature table using temperature, relative humidity, and other factors, based on a number of published research papers over a 54-year span.
