Dark blue cloudy sky

What is Atmosphere?

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

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Glossary

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

Meteorology is the scientific study of the atmosphere and weather processes. It involves observing, analyzing, and forecasting...

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

The amount of water vapor present in the air, which can affect comfort levels and weather conditions.

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

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

A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...

A very cold high pressure that originates over the Arctic Ocean.

A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...