What is Air Mass?

An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...

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

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

A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.

Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.

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

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

The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.