There are various ways to measure the amount of water vapor in the atmosphere. The amount of moisture a given parcel of air can hold is dependent on the ambient temperature. Higher temperatures mean ...

This weeks Climate Chronicles question comes from Bill.

Dew point/relative humidity questions come up fairly often and this is a good one. Water vapor in the atmosphere is pretty important for deep-sky observing and photography. The atmosphere can only ...

Imagine you’re sitting among friends on the porch with a big pitcher of ice cold lemonade. The heat is searing and the air is still and stifling. It’s almost hard to breathe. You look to your friends ...

INDIANAPOLIS — Despite how it sounds, relative humidity isn’t a great measure of how humid it feels outside. That’s why, when it’s muggy, meteorologists talk about dew point temperature instead.

Know the absolute scientific limits of human heat tolerance. Discover how wet-bulb temperatures, extreme humidity, and 45°C ...