Then they notice a cloud formation that looks like a dolphin, or a boat, or letters of the alphabet. But few are fortunate enough to see Kelvin-Helmholtz clouds, which look like a pattern of ocean ...

A rare cloud formation resembling waves in the sky has been seen across North Yorkshire. The billowy phenomenon was captured on camera in Cawthorn on Tuesday night by a BBC weather watcher. Known as ...

Kelvin-Helmholtz instability creates beautiful wave-like cloud patterns in the sky, or billow clouds. Different layers of the atmosphere can have different densities with air moving at different ...

"Does anyone know what is happening here? I saw this cloud formation this afternoon in Calgary looking to the west. It's a first for me." Anne Wilkie posted on X. What she saw was a Kelvin-Helmholtz ...

Known as Kelvin-Helmholtz clouds, they form when a faster stream of air moves above rising air below. According to the Met Office website, Kelvin-Helmholtz clouds are "an extremely rare phenomenon".

Kelvin Helmholtz clouds are named after the two scientists who studied the physics behind them A rare cloud formation resembling waves in the sky has been seen across North Yorkshire. The billowy ...