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

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

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

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...

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

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

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

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

The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...

A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...