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 bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

The amount of water vapor present in the air, which can affect comfort levels and weather conditions.

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

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

The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...

A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.

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

A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

The large-scale movement of air that distributes heat and moisture around the Earth, influencing weather patterns and climatic...