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

A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

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

A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.

A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.

The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...

A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.

An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...

Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...

Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...

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