What is Humidity?

The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...

A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

Snow that rises to 8 feet or higher.

Local winds that blow from slopes to peaks as a result of the heating of the top slopes without being affected by general...

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

The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...

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

A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...

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