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

Weather intelligence is technology that provides predictive and actionable insights, allowing businesses to adapt to weather-related...

The scientific study of climate, focusing on the analysis of long-term weather patterns and trends over time.

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

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

A large body of air having similar horizontal temperature and moisture characteristics.

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...

The branch of science dealing with the laws of motion of air or other gases.

A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...

An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....