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

A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...

Coastal flooding occurs when water from the ocean, sea, or large lakes inundates land areas along the coast, usually due...

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

Local winds that blow from slopes to peaks as a result of the heating of the top slopes without being affected by general...

Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...

A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...

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

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

An instrument for measuring atmospheric pressure.

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