The billowing clouds, spotted in Virginia, are known as Kevin-Helmholtz clouds. “Very cool clouds rolling over Smith Mountain this evening,” Hunter said in her post on Tuesday. “I sent the ...

Todd Derrenbacker sent this photo to WSET, saying their daughter photo snapped the picture in Lynchburg Wednesday morning ofKelvin-Helmholtz clouds. If you ever see these clouds for yourself ...

Keith Helmholtz, Kevin Helmholtz, Paul Helmholtz Jr., Liz Morgan, Jeannie Keesler and John Paul Smith; siblings: Jerry Schoncheck, Bobby Helmholtz and Jimmy Helmholtz; 20 grandchildren ...

The clouds are known scientifically as Kelvin-Helmholtz clouds, named after the two scientists who studied them in the 1800s. These "wave cloud" formations develop when there's strong wind shear ...

Passengers aboard the Celebrity Xpedition cruise ship saw a textbook and amazing example of Kelvin-Helmholtz instability clouds as they departed San Cristobal Island. These clouds, which resemble ...

Kelvin-Helmholtz instability, which transforms fair weather clouds into the form of crashing ocean waves, is a rare and wondrous phenomenon. One of the best examples I’ve ever seen is in a video ...

It seems quite rare." Local meteorologist Jan Null called the clouds captured in Harrison's image "a spectacular example of Kelvin-Helmholtz wave clouds." Indeed, these types of clouds get their ...

In a rare showing Sunday, Martina Renaud in Cameron spotted "Kelvin-Helmholtz" wave clouds. Kelvin-Helmholtz wave clouds in Cameron, NC - Photo taken by Martina Renaud In a case of KH waves ...