Army Wet Bulb Globe Temperature
Wet bulb globe temperature wbgt is nowadays the most widely used index of heat stress yet many users appear to be unaware of its history and its limitations.
Army wet bulb globe temperature. It is derived from the following formula. The wetbulb globe temperature wbgt is a measure of the heat stress in direct sunlight which takes into account. Temperature humidity wind speed sun angle and cloud cover solar radiation. The wet bulb globe temperature wbgt is a type of apparent temperature used to estimate the effect of temperature humidity wind speed and visible and infrared radiation usually sunlight on humans it is used by industrial hygienists athletes sporting events and the military to determine appropriate exposure levels to high temperatures.
J sci med sport sports med aust. Wet bulb globe temperature wbgt is a popular topic for schools employers and. 5 establish guidance for adjustment of training schedules locations and intensity based on the prior 2 days physical activity and heat category. Wet bulb globe temperature is a kind of an apparent temperature the temperature perceived by humans used to estimate the effect of temperature humidity wind speed and sunlight on humans.
Casa dj guskiewicz km anderson sa et al. The wet bulb globe temperature wbgt is a measure of the heat stress in direct sunlight which takes into account. It s difficult to say and isn t easy to calculate but monitoring wet bulb globe temperature is a stress free way to protect student athletes employees and overall operations from extreme heat. Wet bulb globe temperature kit can help prevent heat injuries.
September 23 2020 army to host tactical assault kit virtual workshop for industry. Temperature humidity wind speed sun angle and cloud cover solar radiation. Wet bulb globe temperature wbgt its history and its limitations. 4 establish policy for hourly measurement of wet bulb globe temperature wbgt when ambient temperature is over 75 ºf.
Preventing sudden death in sports. Say that three times fast. Wbgt was invented and first used during the 1950s as one element in a successful campaign to control serious outbreaks of. Athletes industrial hygienists and the military use it to prevent heat stroke by following guidelines for physical activity and water intake.
Grundstein aj ramseyer c zhao f et al. By elaine wilson july 3 2008. The wet bulb globe temperature was created by the us marines in 1956 at their parris island south carolina training facility. It provided a weather based tool to let drill sergeants and officers know how far they could push recruits during outdoor activities and still avoid heat illness.
Wet bulb globe temperature wbgt.