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

Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...

Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...

The term 'cloudy' refers to weather conditions characterized by a significant amount of cloud cover in the sky. This may...

The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...

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

Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...

Local winds that blow from slopes to peaks as a result of the heating of the top slopes without being affected by general...

A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...