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

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

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

The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...

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

The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...

Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...

Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...

The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...

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

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