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

Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...

A cloud of irregular appearance, composed of irregular cloud fragments.

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

Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.

A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...

A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.

The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.

Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...