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

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

Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...

A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...

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

A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.

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

Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...

A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...

Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....

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