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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 state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.

Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...

A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...

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

The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...

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

The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...

Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...

An instrument for measuring atmospheric pressure.

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