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 horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...

Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...

The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...

The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...

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

A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...

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

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

A cloud of irregular appearance, composed of irregular cloud fragments.

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