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 sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...

A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...

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

The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...

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

The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...

Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...

A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

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

Snow that rises to 8 feet or higher.