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

Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...

A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.

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 strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...

A large body of air having similar horizontal temperature and moisture characteristics.

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

Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....

A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...

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

Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.