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

The scientific study of climate, focusing on the analysis of long-term weather patterns and trends over time.

The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.

Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...

A large body of air having similar horizontal temperature and moisture characteristics.

Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...

A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.

A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...

The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...

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

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