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 mass of very cold, dry air that mostly originates over the Arctic Ocean.

The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.

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

A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...

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

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

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...

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