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

Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.

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

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

Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...

A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...

Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....

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