The new rule is based on the Wet Bulb Globe Temperature (WBGT), which measures heat stress in direct sunlight. It involves observing temperature, humidity, wind speed, sun angle, and cloud cover.
If the WBGT reaches 30.1C or higher during the…

The new rule is based on the Wet Bulb Globe Temperature (WBGT), which measures heat stress in direct sunlight. It involves observing temperature, humidity, wind speed, sun angle, and cloud cover.
If the WBGT reaches 30.1C or higher during the…