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

An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...

The narrow region between 35-40 ° N and S latitudes in the Northern and Southern Hemispheres, lying between the tropical...

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...

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

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

A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...

A type of cloud consisting mostly of small particles such as ice particles.

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

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.