Dark blue cloudy sky

What is Cirrostratus?

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

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Glossary

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

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

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.

A body that has the property of absorbing all electromagnetic radiation falling on it, and therefore is the theoretical body...

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...

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

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

Condensation is the process by which water vapor in the air cools and changes into liquid water. This process is crucial...

An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms...

A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...