What is Arctic Air?

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

Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...

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

The branch of science dealing with the laws of motion of air or other gases.

The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...

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

A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...

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

Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...

The amount of water vapor present in the air, which can affect comfort levels and weather conditions.