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 cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...

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

A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...

A periodic warming of sea surface temperatures in the central and eastern Pacific Ocean, significantly influencing global...

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

Weather is the day-to-day meteorological conditions that happen in our atmosphere. Weather can change within minutes, which...

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

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

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...