With a stretch of VERY hot weather ahead for the rest of this month into August, it is a good idea to look at how we measure ...

If you are living in one of many areas of the U.S. currently experiencing a heat wave, your outdoor thermometer may say it's ...

Humidex and heat index are closely related You’ll sometimes hear different values to measure the combined effects of heat and humidity on our bodies. The heat index and humidex are the most ...

The heat index shows you what the temperature "feels like" to the human body by measuring air temperature and relative humidity (which is the amount of atmospheric moisture present, expressed in a ...

Set aside the ambient temperature in itself. The experts currently assert that the Wet Bulb Globe Temperature is the best measure for on-the-job heat hazard. Why? Because WBGT takes heat, humidity ...

Two cities break heat records with warning still in effect We’ve already seen temperatures and humidity increase to dangerously high levels as the ridge of high pressure intensified Sunday. At ...

Heat (and humidity) are returning to Toronto this weekend, as the second heat warning of the summer was issued Friday for the region and much of Ontario.

Heat stress: More than just temperature Beyond the heat index, meteorologists also track heat stress, or Wet Bulb Globe Temperature (WBGT). This index combines temperature, humidity, wind, sun angle, ...

The heat index, or apparent temperature, combines air temperature and humidity to indicate how hot it feels to the body. High humidity slows sweating, the body's natural cooling system, making ...