What is Humidity?

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...

A large body of air having similar horizontal temperature and moisture characteristics.

A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...

Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...

The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...

A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

A very cold high pressure that originates over the Arctic Ocean.

Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...