What is Air Mass?

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...

Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...

The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...

A mass of very cold, dry air that mostly originates over the Arctic Ocean.

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....

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

Temperature scale, abbreviated as °C, found by accepting the freezing point of water at one atmospheric pressure as zero...

Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...

A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...