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

A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...

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

A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.

A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...

A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...

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

A body that has the property of absorbing all electromagnetic radiation falling on it, and therefore is the theoretical body...

A very cold high pressure that originates over the Arctic Ocean.

Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...

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