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

A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...

Snow that rises to 8 feet or higher.

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

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

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

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

CONQ is a meteorological abbreviation for significant convection observed in a specific area, often indicating unstable atmospheric...