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

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

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

A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...

The branch of science dealing with the laws of motion of air or other gases.

Local winds that blow from slopes to peaks as a result of the heating of the top slopes without being affected by general...

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

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

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...