What is Arctic Air?

A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...

Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...

The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

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

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

Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.

Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...

A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...

A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.