What is Humidity?

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...

A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...

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

Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....

A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

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

A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.