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 expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....

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

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

A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.

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

Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...

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

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...

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

A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...