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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Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...
A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.
A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.
In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...
A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...
Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.
Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...
A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...