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 sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

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

The large-scale movement of air that distributes heat and moisture around the Earth, influencing weather patterns and climatic...

Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...

A large body of air having similar horizontal temperature and moisture characteristics.

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

The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...

Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...

A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...