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 mass of very cold, dry air that mostly originates over the Arctic Ocean.

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

An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

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

Meteorology is the scientific study of the atmosphere and weather processes. It involves observing, analyzing, and forecasting...

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

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.

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