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

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

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

A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...

The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.

The term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed...

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

The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...

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

A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...

A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.