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

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

The term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed...

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

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 mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...

Snow that rises to 8 feet or higher.

A periodic warming of sea surface temperatures in the central and eastern Pacific Ocean, significantly influencing global...

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