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

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

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

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

A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.

A very cold high pressure that originates over the Arctic Ocean.

Weather intelligence is technology that provides predictive and actionable insights, allowing businesses to adapt to weather-related...

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

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

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...