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

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

The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.

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

A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.

Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...

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

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...

Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...

A periodic warming of sea surface temperatures in the central and eastern Pacific Ocean, significantly influencing global...