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

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

An instrument for measuring atmospheric pressure.

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

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 cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...

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

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

A cloud of irregular appearance, composed of irregular cloud fragments.