12/19/2023 0 Comments Realfeel temperature calculator![]() ![]() T dew is the dewpoint temperature in ☌ĥ417.7530 is a rounded constant based on the molecular weight of water, latent heat of evaporation, and the universal gas constant.heat index at equal temperature and relative humidity. ![]() If the temperature remains 30 ☌ (86 ☏) and the dew point rises to 25 ☌ (77 ☏), the humidex rises to 42. ![]() When the temperature is 30 ☌ (86 ☏) and the dew point is 15 ☌ (59 ☏), the humidex is 34. This value was beaten on 25 July 2007 when Carman, Manitoba, hit 52.6. Humidex differs from the heat index used in the United States in being derived from the dew point rather than the relative humidity, though both dew point and relative humidity (when used in conjunction with air temperature) are directly related to atmospheric moisture.įor a long time, the record humidex in Canada was set by Windsor, Ontario, which hit 52.1 on 20 June 1953, as reported by Environment Canada. Richardson of Canada's Atmospheric Environment Service in 1979. The current formula for determining the humidex was developed by J. Above 45: Dangerous heat stroke quite possible.40 to 45: Great discomfort avoid exertion.The humidex is a nominally dimensionless quantity (though generally recognized by the public as equivalent to the degree Celsius) based on the dew point. The humidex (short for humidity index) is an index number used by Canadian meteorologists to describe how hot the weather feels to the average person, by combining the effect of heat and humidity. Index number to describe the feeling of heat in Canada Plot of humidex depending on temperature and relative humidity ![]()
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