Dark blue cloudy sky

What is Trough?

An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms and rain.

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Glossary

A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...

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

A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...

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

A body that has the property of absorbing all electromagnetic radiation falling on it, and therefore is the theoretical body...

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

The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...

A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.

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