Dark blue cloudy sky

What is Confluence?

Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often describes regions of converging airflows that can lead to cloud formation and precipitation.

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Glossary

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

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A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.

Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.

A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...

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

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

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.

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