So how do they form? ABC30 AM Live meteorologist Shelby Latino says these clouds are most common over mountains where air is pushed upward and cooled to form a cloud. In this case, though, the cold front left behind a cold pool of air that worked like a mountain, forcing the nearly-saturated air upward and forming these clouds which are shaped by shear (or turning winds) still in the air.
The photos are creating quite a stir on social media. Here is Shelby’s original Facebook post.