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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In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...
The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.
A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.
The branch of science dealing with the laws of motion of air or other gases.
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...
A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.
A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...
Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.
A type of cloud consisting mostly of small particles such as ice particles.