What is Air Mass?

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 thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...

A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...

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

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

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

A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...

A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...

The branch of science dealing with the laws of motion of air or other gases.