What is Air Mass?

An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms...

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...

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...

The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.

A weather watch means there is a risk of weather hazards in the near future, which could pose a threat to life/property....

The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.

A large body of air having similar horizontal temperature and moisture characteristics.