Dark blue cloudy sky

What is Downburst?

A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused by a tornado.

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Glossary

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

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

The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....

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

A mass of very cold, dry air that mostly originates over the Arctic Ocean.

A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...

The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...

Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...

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

A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...