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 narrow region between 35-40 ° N and S latitudes in the Northern and Southern Hemispheres, lying between the tropical...

Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...

A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...

Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...

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

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

Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...

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

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

A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...