Dark blue cloudy sky

What is Lightning?

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or between a cloud and the ground.

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Glossary

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

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

An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...

The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...

The branch of science dealing with the laws of motion of air or other gases.

A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.

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

The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.