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

The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.

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

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.

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

Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...

An instrument for measuring atmospheric pressure.

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

A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.

Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...

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