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 periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...

A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...

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

A mass of very cold, dry air that mostly originates over the Arctic Ocean.

The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...

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

A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...

Condensation is the process by which water vapor in the air cools and changes into liquid water. This process is crucial...

A type of cloud consisting mostly of small particles such as ice particles.

The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...