Dark blue cloudy sky

What is Kelvin Helmholtz?

Perhaps you have come across them, maybe you are seeing them for the first time. These clouds, known as wave clouds, resemble ocean waves rolling at equal intervals and are one of the rare types. It is believed that these clouds with their mesmerizing appearance inspired the swirls we see in Vincent Van Gogh's painting "Starry Night." So, how does this type of cloud form? They arise when two different layers of air in our atmosphere move at different speeds and occur when there is a strong vertical shear between the two air currents, causing the winds to blow faster at upper levels than at lower levels.

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Glossary

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

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

Weather is the day-to-day meteorological conditions that happen in our atmosphere. Weather can change within minutes, which...

A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...

Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...

The term 'cloudy' refers to weather conditions characterized by a significant amount of cloud cover in the sky. This may...

The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...

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 mass of very cold, dry air that mostly originates over the Arctic Ocean.

A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...