The Boston Globe

When it’s hot outside, we often talk about the heat index. Here’s why it’s important.

As the heat and humidity increase this week, we will hear a lot about the heat index, especially as temperatures come close or surpass the 100-degree mark. The heat index itself is relatively new, ...
WREX

The wet bulb globe temperature provides a good look at how heat, humidity, and sunlight factor together

There are a few ways to describe how hot the weather is, like looking at how high the air temperature is. That may not tell you how uncomfortable the heat is. A popular metric is the heat index, which ...
PNI Atlantic News on MSN

BEHIND THE WEATHER: Humidity and the science behind ‘feels like’ temperature

It’s often said that it’s not the heat that gets you; it’s the humidity. We had our first serving of the uncomfortable and ...