What is Air Mass?

A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...

The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....

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

A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...

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

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

The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.