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

Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...

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

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

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

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

Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...

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

A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...

A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...

Indicates the amount of water the soil can absorb/retain through percolation. This capacity is around 7% in sandy soil and...