What is Air Mass?

A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...

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

An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...

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

A very cold high pressure that originates over the Arctic Ocean.

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

Condensation is the process by which water vapor in the air cools and changes into liquid water. This process is crucial...

The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...

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

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.