What is Arctic Air?

A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...

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

Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...

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

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

A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

A cloud of irregular appearance, composed of irregular cloud fragments.

The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...

A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...