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 deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...

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

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

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....

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

Coastal flooding occurs when water from the ocean, sea, or large lakes inundates land areas along the coast, usually due...

A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...

The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

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

An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....