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 amount of water vapor present in the air, which can affect comfort levels and weather conditions.

A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...

The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.

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

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

The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...

The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...

Weather is the day-to-day meteorological conditions that happen in our atmosphere. Weather can change within minutes, which...

A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...