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 drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.

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 measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...

A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...

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

Snow that rises to 8 feet or higher.

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

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

A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.