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

A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...

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

An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...

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

A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...

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

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

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

Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...

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