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

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

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

Snow that rises to 8 feet or higher.

A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.

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Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.

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Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...

The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...