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 weather watch means there is a risk of weather hazards in the near future, which could pose a threat to life/property....

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...

Condensation is the process by which water vapor in the air cools and changes into liquid water. This process is crucial...

A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...

The scientific study of climate, focusing on the analysis of long-term weather patterns and trends over time.

A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...

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