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 small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...

A very cold high pressure that originates over the Arctic Ocean.

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

A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...

A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...

A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...

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

A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.

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

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