TUCSON, Ariz. (KGUN) — The First Warning weather team often refers to dew point and humidity. Most people know these terms have something to do with moisture, but a lot of people don’t really ...

Relative humidity has been used to describe moisture levels in the atmosphere for so long that it has become the most common (though often misunderstood) moisture measurement. And there is truth to ...

Let’s first state the obvious. Most techs are intimidated by Psychrometric charts and Mollier diagrams, we just are. While there are some pretty complicated formulas that back up these diagrams, using ...

Across much of the world, hotter days are no longer arriving alone. The air itself is changing, sometimes turning from dry ...

On hot and humid days, your skin might feel sticky and overheated, and the air can feel so heavy that breathing becomes a chore. But what is it about humidity that can make the outdoors feel so ...