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 weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...

Coastal flooding occurs when water from the ocean, sea, or large lakes inundates land areas along the coast, usually due...

A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...

The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...

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

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

A very cold high pressure that originates over the Arctic Ocean.

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...

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