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

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

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

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...

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

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

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

Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...

An instrument for measuring atmospheric pressure.

Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...