Dark blue cloudy sky

What is Cirriform?

A type of cloud consisting mostly of small particles such as ice particles.

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Glossary

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

A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...

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

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

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

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

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

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

A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.