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

The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...

A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...

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

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

The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...

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

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

Weather is the day-to-day meteorological conditions that happen in our atmosphere. Weather can change within minutes, which...

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...