You need to start learning what the wet-bulb temperature is, as climate change makes the deadly combination of heat and humidity more likely.

What is the difference in the air temperatures vs. heat index and which is more important? The heat index is a calculation using the air temperature and the moisture content to the air. This value ...

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

A Heat Advisory is issued when the heat index value, or the “feels like temperature”, is expected to reach a threshold of 100°F-105°F for a period of time, prompting people to take ...

Wet-bulb temperature vs. heat index, and their risks The heat index is another way to show the risk from extreme temperatures.

Learn the difference between heat advisory, watch, and warning to prevent heat-related illness. Stay informed and protected during hot weather conditions.