What is Air Mass?

A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...

A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...

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

A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...

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

A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...

A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...

A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...

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.