What is Air Mass?

A mass of very cold, dry air that mostly originates over the Arctic Ocean.

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

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

Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...

Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...

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

A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

A cloud of irregular appearance, composed of irregular cloud fragments.