Dark blue cloudy sky

What is Barograph?

An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates a visual record on a paper chart.

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Glossary

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

Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...

Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...

A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...

A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.

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

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

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

Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...

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