What is Air Mass?

A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...

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

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

An instrument for measuring atmospheric pressure.

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

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...

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

The term 'cloudy' refers to weather conditions characterized by a significant amount of cloud cover in the sky. This may...

The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...