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

A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...

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

Temperature scale, abbreviated as °C, found by accepting the freezing point of water at one atmospheric pressure as zero...

A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...

A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.

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

The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...

The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...

The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...