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 scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...

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

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

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

Snow that rises to 8 feet or higher.

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...

A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...

Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.

A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...

The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...