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The wet-bulb globe temperature (WBGT) is a measure of environmental heat as it affects humans. Unlike a simple temperature measurement, WBGT accounts for all four major environmental heat factors: air temperature, humidity, radiant heat (from sunlight or sources such as furnaces), and air movement (wind or ventilation). [ 1 ]
The wet-bulb temperature is the lowest temperature that may be achieved by evaporative cooling of a water-wetted, ventilated surface.. By contrast, the dew point is the temperature to which the ambient air must be cooled to reach 100% relative humidity assuming there is no further evaporation into the air; it is the temperature where condensation (dew) and clouds would form.
The wet-bulb globe temperature (WBGT) combines the effects of radiation (typically sunlight), humidity, temperature and wind speed on the perception of temperature.
As the planet continues to get hotter, humans are at greater risk for heat-related illness and death but an index aims to avoid such.
Wet-bulb temperature and Wet Bulb Globe Temperature are used to determine the ability of a body to eliminate excess heat. A sustained wet-bulb temperature of about 35 °C (95 °F) can be fatal to healthy people; at this temperature our bodies switch from shedding heat to the environment, to gaining heat from it. [10]
A dangerous combination of heat and humidity is sweeping the Gulf region this week, hitting cities from Dubai to Doha. Dubai, for example, is forecast to see air temperatures hover around 43 ...
Per NCHSAA guidelines, “A wet bulb globe temperature (WBGT) chart should be available at practices and contests. If an instrument to assess WBGT is unavailable, the heat and humidity guidelines ...
Following severe criticism of the handling of the 2014 Australian Open, organisers increased the temperature threshold from the 2003 level of 35 to 40 °C (95 to 104 °F) and increased the wet-bulb globe temperature (WBGT) threshold from the 2003 level of 28 to 32.5 °C (82 to 91 °F) to allow for more continuous play and fewer stoppages in the future.