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

Snow that rises to 8 feet or higher.

The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...

A type of cloud consisting mostly of small particles such as ice particles.

An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...

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

The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

Indicates the amount of water the soil can absorb/retain through percolation. This capacity is around 7% in sandy soil and...

Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...