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

Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...

A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.

The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

Snow that rises to 8 feet or higher.

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

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

A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.

The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...

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